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Message #175116
[Bug 1575467] Re: Ubuntu 16.04 consistently freezes up / hangs
The same bug reported in this bug
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1575878
Intel N2940
Canonical should give a solution; it is a bug that has many users
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https://bugs.launchpad.net/bugs/1575467
Title:
Ubuntu 16.04 consistently freezes up / hangs
Status in linux package in Ubuntu:
Confirmed
Bug description:
Not sure what package this is related to. I honestly have no idea.
After upgrading from stock Ubuntu 14.04 to 16.04 on my Dell Inspiron
laptop consistently freezes up and is unresponsive keyboard or mouse.
The only way is to do a hard shutdown. I'm usually in a browser when
this happens, and often watching a video or two. So i wonder if this
has something to do with my memory buffer or something. It seems to
happen more often in Google Chrome than Firefox, but it happens with
both. I know Google Chrome uses more memory though. And it has
happened at least once with no videos loaded, so i doubt it's some
sort of weird flash issue. I haven’t observed it freeze / hang when
I’m not in a browser, but that's mainly what i use my laptop for, so
that's where most of my time is spent.
I will try to upload any log files that people think may be useful. I
will see if i can do the recommended ssh monitoring method while
trying to reproduce it to see if i can see an error that way.
Not sure if this hardware info helps:
lspci reports:
00:00.0 Host bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register (rev 0e)
00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e)
00:13.0 SATA controller: Intel Corporation Atom Processor E3800 Series SATA AHCI Controller (rev 0e)
00:14.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx, Celeron N2000 Series USB xHCI (rev 0e)
00:1a.0 Encryption controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine (rev 0e)
00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e)
00:1c.0 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 1 (rev 0e)
00:1c.2 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 3 (rev 0e)
00:1f.0 ISA bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Power Control Unit (rev 0e)
00:1f.3 SMBus: Intel Corporation Atom Processor E3800 Series SMBus Controller (rev 0e)
03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)
andrew@andrew-Inspiron-3451:~$ sudo lshw
andrew-inspiron-3451
description: Computer
width: 64 bits
capabilities: smbios-2.8 vsyscall32
*-core
description: Motherboard
physical id: 0
*-memory
description: System memory
physical id: 0
size: 3834MiB
*-cpu
product: Intel(R) Pentium(R) CPU N3540 @ 2.16GHz
vendor: Intel Corp.
physical id: 1
bus info: cpu@0
size: 909MHz
capacity: 2665MHz
width: 64 bits
capabilities: 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 x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat cpufreq
*-pci
description: Host bridge
product: Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 0e
width: 32 bits
clock: 33MHz
configuration: driver=iosf_mbi_pci
resources: irq:0
*-display
description: VGA compatible controller
product: Atom Processor Z36xxx/Z37xxx Series Graphics & Display
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 0e
width: 32 bits
clock: 33MHz
capabilities: pm msi vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:89 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:f080(size=8)
*-storage
description: SATA controller
product: Atom Processor E3800 Series SATA AHCI Controller
vendor: Intel Corporation
physical id: 13
bus info: pci@0000:00:13.0
version: 0e
width: 32 bits
clock: 66MHz
capabilities: storage msi pm ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:88 ioport:f070(size=8) ioport:f060(size=4) ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) memory:d071c000-d071c7ff
*-usb
description: USB controller
product: Atom Processor Z36xxx/Z37xxx, Celeron N2000 Series USB xHCI
vendor: Intel Corporation
physical id: 14
bus info: pci@0000:00:14.0
version: 0e
width: 64 bits
clock: 33MHz
capabilities: pm msi xhci bus_master cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:87 memory:d0700000-d070ffff
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 4.4.0-21-generic xhci-hcd
physical id: 0
bus info: usb@2
logical name: usb2
version: 4.04
capabilities: usb-3.00
configuration: driver=hub slots=1 speed=5000Mbit/s
*-usbhost:1
product: xHCI Host Controller
vendor: Linux 4.4.0-21-generic xhci-hcd
physical id: 1
bus info: usb@1
logical name: usb1
version: 4.04
capabilities: usb-2.00
configuration: driver=hub slots=6 speed=480Mbit/s
*-usb:0
description: USB hub
product: USB2.0 Hub
vendor: Genesys Logic, Inc.
physical id: 2
bus info: usb@1:2
version: 85.37
capabilities: usb-2.00
configuration: driver=hub maxpower=100mA slots=4 speed=480Mbit/s
*-usb:0
description: Bluetooth wireless interface
vendor: Atheros Communications, Inc.
physical id: 1
bus info: usb@1:2.1
version: 0.02
capabilities: bluetooth usb-1.10
configuration: driver=btusb maxpower=100mA speed=12Mbit/s
*-usb:1
description: Generic USB device
product: USB2.0-CRW
vendor: Generic
physical id: 4
bus info: usb@1:2.4
version: 39.60
serial: 20100201396000000
capabilities: usb-2.00
configuration: driver=rtsx_usb maxpower=500mA speed=480Mbit/s
*-usb:1
description: Video
product: Integrated_Webcam_HD
vendor: CN0CVRNR72487536B0CCA00
physical id: 4
bus info: usb@1:4
version: 40.31
serial: 200901010001
capabilities: usb-2.00
configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
*-generic
description: Encryption controller
product: Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine
vendor: Intel Corporation
physical id: 1a
bus info: pci@0000:00:1a.0
version: 0e
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=mei_txe latency=0
resources: irq:90 memory:d0500000-d05fffff memory:d0400000-d04fffff
*-multimedia
description: Audio device
product: Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 0e
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:91 memory:d0710000-d0713fff
*-pci:0
description: PCI bridge
product: Atom Processor E3800 Series PCI Express Root Port 1
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: 0e
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:16 ioport:1000(size=4096)
*-pci:1
description: PCI bridge
product: Atom Processor E3800 Series PCI Express Root Port 3
vendor: Intel Corporation
physical id: 1c.2
bus info: pci@0000:00:1c.2
version: 0e
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:18 memory:d0600000-d06fffff
*-network
description: Wireless interface
product: QCA9565 / AR9565 Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 01
serial: 4c:bb:58:b9:91:9c
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=4.4.0-21-generic firmware=N/A ip=192.168.0.191 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:18 memory:d0600000-d067ffff memory:d0680000-d068ffff
*-isa
description: ISA bridge
product: Atom Processor Z36xxx/Z37xxx Series Power Control Unit
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 0e
width: 32 bits
clock: 33MHz
capabilities: isa bus_master cap_list
configuration: driver=lpc_ich latency=0
resources: irq:0
*-serial UNCLAIMED
description: SMBus
product: Atom Processor E3800 Series SMBus Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 0e
width: 32 bits
clock: 33MHz
capabilities: pm cap_list
configuration: latency=0
resources: memory:d0718000-d071801f ioport:f000(size=32)
*-scsi
physical id: 2
logical name: scsi0
capabilities: emulated
*-disk
description: ATA Disk
product: Samsung SSD 850
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: 1B6Q
serial: S21NNSAG517011W
size: 232GiB (250GB)
capabilities: gpt-1.00 partitioned partitioned:gpt
configuration: ansiversion=5 guid=1d673a47-0fd4-4984-a16d-87fb187ee3ae logicalsectorsize=512 sectorsize=512
*-volume:0
description: Windows FAT volume
vendor: mkfs.fat
physical id: 1
bus info: scsi@0:0.0.0,1
logical name: /dev/sda1
logical name: /boot/efi
version: FAT32
serial: dcee-496f
size: 510MiB
capacity: 511MiB
capabilities: boot fat initialized
configuration: FATs=2 filesystem=fat mount.fstype=vfat mount.options=rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro state=mounted
*-volume:1
description: EXT4 volume
vendor: Linux
physical id: 2
bus info: scsi@0:0.0.0,2
logical name: /dev/sda2
logical name: /
version: 1.0
serial: d01f07be-c906-4024-8eef-a58ba3935298
size: 228GiB
capabilities: journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized
configuration: created=2015-08-07 20:47:43 filesystem=ext4 lastmountpoint=/ modified=2016-04-26 21:34:02 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2016-04-26 21:34:02 state=mounted
*-volume:2
description: Linux swap volume
vendor: Linux
physical id: 3
bus info: scsi@0:0.0.0,3
logical name: /dev/sda3
version: 1
serial: e8aaee7c-d956-4519-94f0-cf7aad745020
size: 3978MiB
capacity: 3978MiB
capabilities: nofs swap initialized
configuration: filesystem=swap pagesize=4095
---
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: andrew 1949 F.... pulseaudio
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=UUID=e8aaee7c-d956-4519-94f0-cf7aad745020
InstallationDate: Installed on 2015-08-08 (263 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: Dell Inc. Inspiron 3451
Package: linux (not installed)
ProcEnviron:
LANGUAGE=en_US
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic.efi.signed root=UUID=d01f07be-c906-4024-8eef-a58ba3935298 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-21-generic N/A
linux-backports-modules-4.4.0-21-generic N/A
linux-firmware 1.157
Tags: xenial
Uname: Linux 4.4.0-21-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-04-22 (4 days ago)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 12/05/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A00
dmi.board.name: 0H4MK6
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvrA00:bd12/05/2014:svnDellInc.:pnInspiron3451:pvrA00:rvnDellInc.:rn0H4MK6:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron 3451
dmi.product.version: A00
dmi.sys.vendor: Dell Inc.
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