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[Bug 1124040] Re: e1000e reconnecting in 12.04 LTS

 

Nikolaj Hansen, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.13-rc2

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** This bug is no longer a duplicate of bug 1205843
   e1000e ethernet not working on raring 13.04 (nor in precise 12.04)

** Description changed:

- Hi,
+ The Intel e1000e kernel NIC driver is constantly reconnecting to my
+ network causing flowstops and errors. I do not know in which exact
+ kernel the problem started since I do not use this laptop wired
+ regularly. Firstly I suspected faulty networking equipment, but the
+ problem persisted on other hardware.
  
- I am using ubuntu 12.04 LTS.
- 
- The Intel e1000e kernel NIC driver is constantly reconnecting to my network causing flowstops and errors.
- I do not know in which exact kernel the problem started since I do not use this laptop wired regularly.
- 
- But for sure I think this kernel has issues.
- 
- Firstly I suspected faulty networking equipment, but the problem
- persisted on other hardware.
- 
- I then tried to fetch this driver directly from Intel:
- 
+ WORKAROUND: Fetch driver directly from Intel:
  http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=15817&ProdId=3003&lang=eng
  
- And it immediately rectified the error.
- 
  Error:
- 
  Feb 13 12:04:52 stevieray kernel: [ 1451.580536] e1000e: eth0 NIC Link is Down
  Feb 13 12:04:53 stevieray kernel: [ 1453.229010] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  Feb 13 12:04:53 stevieray kernel: [ 1453.229024] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  Feb 13 12:04:53 stevieray NetworkManager[1088]: <info> (eth0): carrier now ON (device state 100)
  Feb 13 12:05:01 stevieray CRON[3406]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
  Feb 13 12:05:14 stevieray NetworkManager[1088]: <info> (eth0): carrier now OFF (device state 100, deferring action for 4 seconds)
  Feb 13 12:05:14 stevieray kernel: [ 1473.312198] e1000e: eth0 NIC Link is Down
  Feb 13 12:05:15 stevieray kernel: [ 1474.944394] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  Feb 13 12:05:15 stevieray kernel: [ 1474.944409] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  Feb 13 12:05:15 stevieray NetworkManager[1088]: <info> (eth0): carrier now ON (device state 100)
  Feb 13 12:05:27 stevieray NetworkManager[1088]: <info> (eth0): carrier now OFF (device state 100, deferring action for 4 seconds)
  Feb 13 12:05:27 stevieray kernel: [ 1486.340811] e1000e: eth0 NIC Link is Down
  Feb 13 12:05:28 stevieray kernel: [ 1488.008923] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  Feb 13 12:05:28 stevieray kernel: [ 1488.008938] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  Feb 13 12:05:28 stevieray NetworkManager[1088]: <info> (eth0): carrier now ON (device state 100)
  
  With the Intel Driver:
  
  [ 2214.353191] e1000e 0000:00:19.0: PCI INT A disabled
  [ 2824.335482] e1000e: Intel(R) PRO/1000 Network Driver - 2.2.14-NAPI
  [ 2824.335491] e1000e: Copyright(c) 1999 - 2012 Intel Corporation.
  [ 2824.335548] e1000e 0000:00:19.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
  [ 2824.335570] e1000e 0000:00:19.0: setting latency timer to 64
  [ 2824.335753] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
  [ 2824.347221] e1000e 0000:00:19.0: irq 50 for MSI/MSI-X
  [ 2824.578329] e1000e 0000:00:19.0: eth0: (PCI Express:2.5GT/s:Width x1) f0:de:f1:67:84:e9
  [ 2824.578340] e1000e 0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection
  [ 2824.578405] e1000e 0000:00:19.0: eth0: MAC: 11, PHY: 11, PBA No: 1000FF-0FF
  [ 2824.737160] e1000e 0000:00:19.0: irq 50 for MSI/MSI-X
  [ 2824.840802] e1000e 0000:00:19.0: irq 50 for MSI/MSI-X
  [ 2824.843896] ADDRCONF(NETDEV_UP): eth0: link is not ready
  [ 2824.845415] ADDRCONF(NETDEV_UP): eth0: link is not ready
  [ 2867.226514] e1000e: e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  [ 2867.226529] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  [ 2867.229384] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  
- nikolaj@stevieray:~/tmp/e1000e/e1000e-2.2.14/src$ uname -a
- Linux stevieray 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
- nikolaj@stevieray:~/tmp/e1000e/e1000e-2.2.14/src$ ifconfig -a eth0
- eth0      Link encap:Ethernet  HWaddr f0:de:f1:67:84:e9
-           inet addr:192.168.1.100  Bcast:192.168.1.255  Mask:255.255.255.0
-           inet6 addr: fc00::16a/64 Scope:Global
-           inet6 addr: 2002:5cf6:10d7:0:f2de:f1ff:fe67:84e9/64 Scope:Global
-           inet6 addr: fc00::f2de:f1ff:fe67:84e9/64 Scope:Global
-           inet6 addr: fe80::f2de:f1ff:fe67:84e9/64 Scope:Link
-           inet6 addr: 2002:5cf6:10d7:0:2872:9e31:aae7:6c7b/64 Scope:Global
-           inet6 addr: fc00::2872:9e31:aae7:6c7b/64 Scope:Global
-           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
-           RX packets:2770 errors:0 dropped:0 overruns:0 frame:0
-           TX packets:2316 errors:0 dropped:0 overruns:0 carrier:0
-           collisions:0 txqueuelen:1000
-           RX bytes:1196930 (1.1 MB)  TX bytes:368114 (368.1 KB)
-           Interrupt:20 Memory:d8300000-d8320000
- 
- nikolaj@stevieray:~/tmp/e1000e/e1000e-2.2.14/src$ lspci
- 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
- 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
- 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
- 00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)
- 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
- 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
- 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
- 00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
- 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
- 00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b4)
- 00:1c.6 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7 (rev b4)
- 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
- 00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset Family LPC Controller (rev 04)
- 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)
- 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
- 01:00.0 VGA compatible controller: NVIDIA Corporation GF106 [Quadro 2000M] (rev a1)
- 01:00.1 Audio device: NVIDIA Corporation GF106 High Definition Audio Controller (rev a1)
- 03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
- 0d:00.0 System peripheral: Ricoh Co Ltd MMC/SD Host Controller (rev 08)
- 0d:00.3 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 PCIe IEEE 1394 Controller (rev 04)
- 0e:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
- 
- stevieray
-     description: Notebook
-     product: 428449G ()
-     vendor: LENOVO
-     version: ThinkPad W520
-     serial: R9E0BFA
-     width: 64 bits
-     capabilities: smbios-2.6 dmi-2.6 vsyscall32
-     configuration: administrator_password=enabled chassis=notebook family=ThinkPad W520 power-on_password=disabled uuid=813701EE-0351-CB11-8A80-8256F678E109
-   *-core
-        description: Motherboard
-        product: 428449G
-        vendor: LENOVO
-        physical id: 0
-        version: Not Available
-        serial: 1ZJLZ15Y15F
-        slot: Not Available
-      *-cpu
-           description: CPU
-           product: Intel(R) Core(TM) i7-2820QM CPU @ 2.30GHz
-           vendor: Intel Corp.
-           physical id: 1
-           bus info: cpu@0
-           version: Intel(R) Core(TM) i7-2820QM CPU @ 2.30GHz
-           serial: Not Supported by CPU
-           slot: CPU
-           size: 800MHz
-           capacity: 800MHz
-           width: 64 bits
-           clock: 100MHz
-           capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid cpufreq
-           configuration: cores=4 enabledcores=4 threads=8
-         *-cache:0
-              description: L1 cache
-              physical id: 2
-              slot: L1-Cache
-              size: 64KiB
-              capacity: 64KiB
-              capabilities: synchronous internal write-through data
-         *-cache:1
-              description: L2 cache
-              physical id: 3
-              slot: L2-Cache
-              size: 256KiB
-              capacity: 256KiB
-              capabilities: synchronous internal write-through data
-         *-cache:2
-              description: L3 cache
-              physical id: 4
-              slot: L3-Cache
-              size: 8MiB
-              capacity: 8MiB
-              capabilities: synchronous internal write-back unified
-      *-memory
-           description: System Memory
-           physical id: 5
-           slot: System board or motherboard
-           size: 16GiB
-         *-bank:0
-              description: SODIMM DDR3 Synchronous 1333 MHz (0,8 ns)
-              product: M471B5273CH0-CH9
-              vendor: Samsung
-              physical id: 0
-              serial: 0050048A
-              slot: ChannelA-DIMM0
-              size: 4GiB
-              width: 64 bits
-              clock: 1333MHz (0.8ns)
-         *-bank:1
-              description: SODIMM DDR3 Synchronous 1333 MHz (0,8 ns)
-              product: CMSO4GX3M1A1333C9
-              vendor: AMI
-              physical id: 1
-              serial: 00000000
-              slot: ChannelA-DIMM1
-              size: 4GiB
-              width: 64 bits
-              clock: 1333MHz (0.8ns)
-         *-bank:2
-              description: SODIMM DDR3 Synchronous 1333 MHz (0,8 ns)
-              product: M471B5273CH0-CH9
-              vendor: Samsung
-              physical id: 2
-              serial: 00500492
-              slot: ChannelB-DIMM0
-              size: 4GiB
-              width: 64 bits
-              clock: 1333MHz (0.8ns)
-         *-bank:3
-              description: SODIMM DDR3 Synchronous 1333 MHz (0,8 ns)
-              product: CMSO4GX3M1A1333C9
-              vendor: AMI
-              physical id: 3
-              serial: 00000000
-              slot: ChannelB-DIMM1
-              size: 4GiB
-              width: 64 bits
-              clock: 1333MHz (0.8ns)
-      *-firmware
-           description: BIOS
-           vendor: LENOVO
-           physical id: 13
-           version: 8BET60WW (1.40 )
-           date: 12/06/2012
-           size: 128KiB
-           capacity: 8128KiB
-           capabilities: pci pnp upgrade shadowing cdboot bootselect edd int13floppy720 int5printscreen int9keyboard int14serial int17printer int10video acpi usb biosbootspecification
-      *-pci
-           description: Host bridge
-           product: 2nd Generation Core Processor Family DRAM Controller
-           vendor: Intel Corporation
-           physical id: 100
-           bus info: pci@0000:00:00.0
-           version: 09
-           width: 32 bits
-           clock: 33MHz
-         *-pci:0
-              description: PCI bridge
-              product: Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port
-              vendor: Intel Corporation
-              physical id: 1
-              bus info: pci@0000:00:01.0
-              version: 09
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:40 ioport:5000(size=4096) memory:d4000000-d60fffff ioport:c0000000(size=335544320)
-            *-display
-                 description: VGA compatible controller
-                 product: GF106 [Quadro 2000M]
-                 vendor: NVIDIA Corporation
-                 physical id: 0
-                 bus info: pci@0000:01:00.0
-                 version: a1
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
-                 configuration: driver=nvidia latency=0
-                 resources: irq:16 memory:d4000000-d5ffffff memory:c0000000-cfffffff memory:d0000000-d3ffffff ioport:5000(size=128) memory:d6080000-d60fffff
-            *-multimedia
-                 description: Audio device
-                 product: GF106 High Definition Audio Controller
-                 vendor: NVIDIA Corporation
-                 physical id: 0.1
-                 bus info: pci@0000:01:00.1
-                 version: a1
-                 width: 32 bits
-                 clock: 33MHz
-                 capabilities: pm msi pciexpress bus_master cap_list
-                 configuration: driver=snd_hda_intel latency=0
-                 resources: irq:17 memory:d6000000-d6003fff
-         *-communication
-              description: Communication controller
-              product: 6 Series/C200 Series Chipset Family MEI Controller #1
-              vendor: Intel Corporation
-              physical id: 16
-              bus info: pci@0000:00:16.0
-              version: 04
-              width: 64 bits
-              clock: 33MHz
-              capabilities: pm msi bus_master cap_list
-              configuration: driver=mei latency=0
-              resources: irq:51 memory:d8325000-d832500f
-         *-network
-              description: Ethernet interface
-              product: 82579LM Gigabit Network Connection
-              vendor: Intel Corporation
-              physical id: 19
-              bus info: pci@0000:00:19.0
-              logical name: eth0
-              version: 04
-              serial: f0:de:f1:67:84:e9
-              size: 100Mbit/s
-              capacity: 1Gbit/s
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
-              configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=2.2.14-NAPI duplex=full firmware=0.13-3 ip=192.168.1.100 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
-              resources: irq:50 memory:d8300000-d831ffff memory:d832b000-d832bfff ioport:6040(size=32)
-         *-usb:0
-              description: USB controller
-              product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
-              vendor: Intel Corporation
-              physical id: 1a
-              bus info: pci@0000:00:1a.0
-              version: 04
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pm debug ehci bus_master cap_list
-              configuration: driver=ehci_hcd latency=0
-              resources: irq:16 memory:d832a000-d832a3ff
-         *-multimedia
-              description: Audio device
-              product: 6 Series/C200 Series Chipset Family High Definition Audio Controller
-              vendor: Intel Corporation
-              physical id: 1b
-              bus info: pci@0000:00:1b.0
-              version: 04
-              width: 64 bits
-              clock: 33MHz
-              capabilities: pm msi pciexpress bus_master cap_list
-              configuration: driver=snd_hda_intel latency=0
-              resources: irq:53 memory:d8320000-d8323fff
-         *-pci:1
-              description: PCI bridge
-              product: 6 Series/C200 Series Chipset Family PCI Express Root Port 1
-              vendor: Intel Corporation
-              physical id: 1c
-              bus info: pci@0000:00:1c.0
-              version: b4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:16 ioport:2000(size=4096) memory:d8400000-d85fffff ioport:d8600000(size=2097152)
-         *-pci:2
-              description: PCI bridge
-              product: 6 Series/C200 Series Chipset Family PCI Express Root Port 2
-              vendor: Intel Corporation
-              physical id: 1c.1
-              bus info: pci@0000:00:1c.1
-              version: b4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:17 memory:d8200000-d82fffff
-            *-network DISABLED
-                 description: Wireless interface
-                 product: Centrino Ultimate-N 6300
-                 vendor: Intel Corporation
-                 physical id: 0
-                 bus info: pci@0000:03:00.0
-                 logical name: wlan0
-                 version: 35
-                 serial: 00:24:d7:c6:38:6c
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
-                 configuration: broadcast=yes driver=iwlwifi driverversion=3.2.0-37-generic firmware=9.221.4.1 build 25532 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
-                 resources: irq:52 memory:d8200000-d8201fff
-         *-pci:3
-              description: PCI bridge
-              product: 6 Series/C200 Series Chipset Family PCI Express Root Port 4
-              vendor: Intel Corporation
-              physical id: 1c.3
-              bus info: pci@0000:00:1c.3
-              version: b4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:19 ioport:4000(size=4096) memory:d7a00000-d81fffff ioport:d6100000(size=8388608)
-         *-pci:4
-              description: PCI bridge
-              product: 6 Series/C200 Series Chipset Family PCI Express Root Port 5
-              vendor: Intel Corporation
-              physical id: 1c.4
-              bus info: pci@0000:00:1c.4
-              version: b4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:16 ioport:3000(size=4096) memory:d7200000-d79fffff ioport:d6900000(size=8388608)
-            *-generic
-                 description: System peripheral
-                 product: MMC/SD Host Controller
-                 vendor: Ricoh Co Ltd
-                 physical id: 0
-                 bus info: pci@0000:0d:00.0
-                 version: 08
-                 width: 32 bits
-                 clock: 33MHz
-                 capabilities: msi pm pciexpress bus_master cap_list
-                 configuration: driver=sdhci-pci latency=0
-                 resources: irq:16 memory:d7201000-d72010ff
-            *-firewire
-                 description: FireWire (IEEE 1394)
-                 product: R5C832 PCIe IEEE 1394 Controller
-                 vendor: Ricoh Co Ltd
-                 physical id: 0.3
-                 bus info: pci@0000:0d:00.3
-                 version: 04
-                 width: 32 bits
-                 clock: 33MHz
-                 capabilities: msi pm pciexpress ohci bus_master cap_list
-                 configuration: driver=firewire_ohci latency=0
-                 resources: irq:19 memory:d7200000-d72007ff
-         *-pci:5
-              description: PCI bridge
-              product: 6 Series/C200 Series Chipset Family PCI Express Root Port 7
-              vendor: Intel Corporation
-              physical id: 1c.6
-              bus info: pci@0000:00:1c.6
-              version: b4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:18 memory:d7100000-d71fffff
-            *-usb
-                 description: USB controller
-                 product: uPD720200 USB 3.0 Host Controller
-                 vendor: NEC Corporation
-                 physical id: 0
-                 bus info: pci@0000:0e:00.0
-                 version: 04
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: pm msi msix pciexpress xhci bus_master cap_list
-                 configuration: driver=xhci_hcd latency=0
-                 resources: irq:18 memory:d7100000-d7101fff
-         *-usb:1
-              description: USB controller
-              product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
-              vendor: Intel Corporation
-              physical id: 1d
-              bus info: pci@0000:00:1d.0
-              version: 04
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pm debug ehci bus_master cap_list
-              configuration: driver=ehci_hcd latency=0
-              resources: irq:23 memory:d8329000-d83293ff
-         *-isa
-              description: ISA bridge
-              product: QM67 Express Chipset Family LPC Controller
-              vendor: Intel Corporation
-              physical id: 1f
-              bus info: pci@0000:00:1f.0
-              version: 04
-              width: 32 bits
-              clock: 33MHz
-              capabilities: isa bus_master cap_list
-              configuration: latency=0
-         *-storage
-              description: SATA controller
-              product: 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
-              vendor: Intel Corporation
-              physical id: 1f.2
-              bus info: pci@0000:00:1f.2
-              logical name: scsi0
-              logical name: scsi1
-              version: 04
-              width: 32 bits
-              clock: 66MHz
-              capabilities: storage msi pm ahci_1.0 bus_master cap_list emulated
-              configuration: driver=ahci latency=0
-              resources: irq:41 ioport:6068(size=8) ioport:6074(size=4) ioport:6060(size=8) ioport:6070(size=4) ioport:6020(size=32) memory:d8328000-d83287ff
-            *-disk
-                 description: ATA Disk
-                 product: INTEL SSDSC2MH25
-                 physical id: 0
-                 bus info: scsi@0:0.0.0
-                 logical name: /dev/sda
-                 version: PWG4
-                 serial: LNEL123400BG250DGN
-                 size: 232GiB (250GB)
-                 capabilities: partitioned partitioned:dos
-                 configuration: ansiversion=5 signature=000672ac
-               *-volume:0
-                    description: Linux swap / Solaris partition
-                    physical id: 1
-                    bus info: scsi@0:0.0.0,1
-                    logical name: /dev/sda1
-                    capacity: 7628MiB
-                    capabilities: primary bootable nofs
-               *-volume:1
-                    description: Extended partition
-                    physical id: 2
-                    bus info: scsi@0:0.0.0,2
-                    logical name: /dev/sda2
-                    size: 225GiB
-                    capacity: 225GiB
-                    capabilities: primary extended partitioned partitioned:extended
-                  *-logicalvolume:0
-                       description: Linux filesystem partition
-                       physical id: 5
-                       logical name: /dev/sda5
-                       logical name: /
-                       capacity: 14GiB
-                       configuration: mount.fstype=ext4 mount.options=rw,noatime,errors=remount-ro,user_xattr,acl,barrier=1,data=ordered state=mounted
-                  *-logicalvolume:1
-                       description: Linux filesystem partition
-                       physical id: 6
-                       logical name: /dev/sda6
-                       logical name: /var
-                       capacity: 14GiB
-                       configuration: mount.fstype=ext4 mount.options=rw,noatime,user_xattr,acl,barrier=1,data=ordered state=mounted
-                  *-logicalvolume:2
-                       description: Linux filesystem partition
-                       physical id: 7
-                       logical name: /dev/sda7
-                       logical name: /tmp
-                       capacity: 7628MiB
-                       configuration: mount.fstype=ext4 mount.options=rw,noatime,user_xattr,acl,barrier=1,data=ordered state=mounted
-                  *-logicalvolume:3
-                       description: Linux filesystem partition
-                       physical id: 8
-                       logical name: /dev/sda8
-                       logical name: /usr
-                       capacity: 74GiB
-                       configuration: mount.fstype=ext4 mount.options=rw,noatime,user_xattr,acl,barrier=1,data=ordered state=mounted
-                  *-logicalvolume:4
-                       description: Linux filesystem partition
-                       physical id: 9
-                       logical name: /dev/sda9
-                       logical name: /home
-                       capacity: 113GiB
-                       configuration: mount.fstype=ext4 mount.options=rw,noatime,user_xattr,acl,barrier=1,data=ordered state=mounted
-            *-cdrom
-                 description: DVD-RAM writer
-                 product: DVD-RAM UJ8A0A
-                 vendor: MATSHITA
-                 physical id: 1
-                 bus info: scsi@1:0.0.0
-                 logical name: /dev/cdrom
-                 logical name: /dev/cdrw
-                 logical name: /dev/dvd
-                 logical name: /dev/dvdrw
-                 logical name: /dev/sr0
-                 version: SB02
-                 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
-                 configuration: ansiversion=5 status=nodisc
-         *-serial UNCLAIMED
-              description: SMBus
-              product: 6 Series/C200 Series Chipset Family SMBus Controller
-              vendor: Intel Corporation
-              physical id: 1f.3
-              bus info: pci@0000:00:1f.3
-              version: 04
-              width: 64 bits
-              clock: 33MHz
-              configuration: latency=0
-              resources: memory:d8324000-d83240ff ioport:efa0(size=32)
-   *-battery
-        product: 42T4801
-        vendor: Panasonic
-        physical id: 1
-        slot: Rear
-        capacity: 84240mWh
-        configuration: voltage=10,8V
-   *-network DISABLED
-        description: Ethernet interface
-        physical id: 2
-        logical name: usb0
-        serial: 02:80:37:ec:02:00
-        capabilities: ethernet physical
-        configuration: broadcast=yes driver=cdc_ncm driverversion=04-Aug-2011 firmware=CDC NCM link=no multicast=yes
- --- 
+ ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  ArecordDevices:
-  **** List of CAPTURE Hardware Devices ****
-  card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
-    Subdevices: 1/1
-    Subdevice #0: subdevice #0
+  **** List of CAPTURE Hardware Devices ****
+  card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC1:  nikolaj    2516 F.... pulseaudio
-  /dev/snd/controlC0:  nikolaj    2516 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC1:  nikolaj    2516 F.... pulseaudio
+  /dev/snd/controlC0:  nikolaj    2516 F.... pulseaudio
  Card0.Amixer.info:
-  Card hw:0 'PCH'/'HDA Intel PCH at 0xd8320000 irq 53'
-    Mixer name	: 'Conexant CX20590'
-    Components	: 'HDA:14f1506e,17aa21cf,00100000 HDA:14f12c06,17aa2122,00100000'
-    Controls      : 20
-    Simple ctrls  : 10
+  Card hw:0 'PCH'/'HDA Intel PCH at 0xd8320000 irq 53'
+    Mixer name	: 'Conexant CX20590'
+    Components	: 'HDA:14f1506e,17aa21cf,00100000 HDA:14f12c06,17aa2122,00100000'
+    Controls      : 20
+    Simple ctrls  : 10
  Card1.Amixer.info:
-  Card hw:1 'NVidia'/'HDA NVidia at 0xd6000000 irq 17'
-    Mixer name	: 'Nvidia GPU 11 HDMI/DP'
-    Components	: 'HDA:10de0011,10de0101,00100100'
-    Controls      : 24
-    Simple ctrls  : 4
+  Card hw:1 'NVidia'/'HDA NVidia at 0xd6000000 irq 17'
+    Mixer name	: 'Nvidia GPU 11 HDMI/DP'
+    Components	: 'HDA:10de0011,10de0101,00100100'
+    Controls      : 24
+    Simple ctrls  : 4
  Card29.Amixer.info:
-  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
-    Mixer name	: 'ThinkPad EC (unknown)'
-    Components	: ''
-    Controls      : 1
-    Simple ctrls  : 1
+  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
+    Mixer name	: 'ThinkPad EC (unknown)'
+    Components	: ''
+    Controls      : 1
+    Simple ctrls  : 1
  Card29.Amixer.values:
-  Simple mixer control 'Console',0
-    Capabilities: pswitch pswitch-joined penum
-    Playback channels: Mono
-    Mono: Playback [on]
+  Simple mixer control 'Console',0
+    Capabilities: pswitch pswitch-joined penum
+    Playback channels: Mono
+    Mono: Playback [on]
  DistroRelease: Ubuntu 12.04
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: LENOVO 428449G
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
-  
+ 
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-37-generic root=UUID=1077668b-a0a6-43e4-8c7d-1a57dd5d35bf ro nofb nomodeset noplymouth nosplash elevator=noop
  ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
-  linux-restricted-modules-3.2.0-37-generic N/A
-  linux-backports-modules-3.2.0-37-generic  N/A
-  linux-firmware                            1.79.1
+  linux-restricted-modules-3.2.0-37-generic N/A
+  linux-backports-modules-3.2.0-37-generic  N/A
+  linux-firmware                            1.79.1
  StagingDrivers: mei
  Tags:  precise staging
  Uname: Linux 3.2.0-37-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-05-11 (277 days ago)
  UserGroups: pkcs11
  dmi.bios.date: 12/06/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8BET60WW (1.40 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 428449G
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8BET60WW(1.40):bd12/06/2012:svnLENOVO:pn428449G:pvrThinkPadW520:rvnLENOVO:rn428449G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 428449G
  dmi.product.version: ThinkPad W520
  dmi.sys.vendor: LENOVO

** Tags added: bios-outdated-1.42 needs-upstream-testing regression-
potential

** Summary changed:

- e1000e reconnecting in 12.04 LTS
+ 8086:1502 [Lenovo ThinkPad W520] e1000e reconnecting in 12.04

** Changed in: linux (Ubuntu)
   Importance: Medium => Low

** Changed in: linux (Ubuntu)
       Status: Expired => Incomplete

-- 
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https://bugs.launchpad.net/bugs/1124040

Title:
  8086:1502 [Lenovo ThinkPad W520] e1000e reconnecting in 12.04

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  The Intel e1000e kernel NIC driver is constantly reconnecting to my
  network causing flowstops and errors. I do not know in which exact
  kernel the problem started since I do not use this laptop wired
  regularly. Firstly I suspected faulty networking equipment, but the
  problem persisted on other hardware.

  WORKAROUND: Fetch driver directly from Intel:
  http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=15817&ProdId=3003&lang=eng

  Error:
  Feb 13 12:04:52 stevieray kernel: [ 1451.580536] e1000e: eth0 NIC Link is Down
  Feb 13 12:04:53 stevieray kernel: [ 1453.229010] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  Feb 13 12:04:53 stevieray kernel: [ 1453.229024] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  Feb 13 12:04:53 stevieray NetworkManager[1088]: <info> (eth0): carrier now ON (device state 100)
  Feb 13 12:05:01 stevieray CRON[3406]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
  Feb 13 12:05:14 stevieray NetworkManager[1088]: <info> (eth0): carrier now OFF (device state 100, deferring action for 4 seconds)
  Feb 13 12:05:14 stevieray kernel: [ 1473.312198] e1000e: eth0 NIC Link is Down
  Feb 13 12:05:15 stevieray kernel: [ 1474.944394] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  Feb 13 12:05:15 stevieray kernel: [ 1474.944409] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  Feb 13 12:05:15 stevieray NetworkManager[1088]: <info> (eth0): carrier now ON (device state 100)
  Feb 13 12:05:27 stevieray NetworkManager[1088]: <info> (eth0): carrier now OFF (device state 100, deferring action for 4 seconds)
  Feb 13 12:05:27 stevieray kernel: [ 1486.340811] e1000e: eth0 NIC Link is Down
  Feb 13 12:05:28 stevieray kernel: [ 1488.008923] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  Feb 13 12:05:28 stevieray kernel: [ 1488.008938] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  Feb 13 12:05:28 stevieray NetworkManager[1088]: <info> (eth0): carrier now ON (device state 100)

  With the Intel Driver:

  [ 2214.353191] e1000e 0000:00:19.0: PCI INT A disabled
  [ 2824.335482] e1000e: Intel(R) PRO/1000 Network Driver - 2.2.14-NAPI
  [ 2824.335491] e1000e: Copyright(c) 1999 - 2012 Intel Corporation.
  [ 2824.335548] e1000e 0000:00:19.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
  [ 2824.335570] e1000e 0000:00:19.0: setting latency timer to 64
  [ 2824.335753] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
  [ 2824.347221] e1000e 0000:00:19.0: irq 50 for MSI/MSI-X
  [ 2824.578329] e1000e 0000:00:19.0: eth0: (PCI Express:2.5GT/s:Width x1) f0:de:f1:67:84:e9
  [ 2824.578340] e1000e 0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection
  [ 2824.578405] e1000e 0000:00:19.0: eth0: MAC: 11, PHY: 11, PBA No: 1000FF-0FF
  [ 2824.737160] e1000e 0000:00:19.0: irq 50 for MSI/MSI-X
  [ 2824.840802] e1000e 0000:00:19.0: irq 50 for MSI/MSI-X
  [ 2824.843896] ADDRCONF(NETDEV_UP): eth0: link is not ready
  [ 2824.845415] ADDRCONF(NETDEV_UP): eth0: link is not ready
  [ 2867.226514] e1000e: e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
  [ 2867.226529] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
  [ 2867.229384] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  nikolaj    2516 F.... pulseaudio
   /dev/snd/controlC0:  nikolaj    2516 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xd8320000 irq 53'
     Mixer name	: 'Conexant CX20590'
     Components	: 'HDA:14f1506e,17aa21cf,00100000 HDA:14f12c06,17aa2122,00100000'
     Controls      : 20
     Simple ctrls  : 10
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xd6000000 irq 17'
     Mixer name	: 'Nvidia GPU 11 HDMI/DP'
     Components	: 'HDA:10de0011,10de0101,00100100'
     Controls      : 24
     Simple ctrls  : 4
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
     Mixer name	: 'ThinkPad EC (unknown)'
     Components	: ''
     Controls      : 1
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  DistroRelease: Ubuntu 12.04
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: LENOVO 428449G
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-37-generic root=UUID=1077668b-a0a6-43e4-8c7d-1a57dd5d35bf ro nofb nomodeset noplymouth nosplash elevator=noop
  ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-37-generic N/A
   linux-backports-modules-3.2.0-37-generic  N/A
   linux-firmware                            1.79.1
  StagingDrivers: mei
  Tags:  precise staging
  Uname: Linux 3.2.0-37-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-05-11 (277 days ago)
  UserGroups: pkcs11
  dmi.bios.date: 12/06/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8BET60WW (1.40 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 428449G
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8BET60WW(1.40):bd12/06/2012:svnLENOVO:pn428449G:pvrThinkPadW520:rvnLENOVO:rn428449G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 428449G
  dmi.product.version: ThinkPad W520
  dmi.sys.vendor: LENOVO

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