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[Bug 1451378] Re: Network-manager fail to start on full duplex

 

Reassigning to Linux. NM is not responsible for negotiating duplex;
performance issues caused by this would probably warrant looking into
what the driver does.

** Package changed: network-manager (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1451378

Title:
  Network-manager fail to start on full duplex

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  $ dpkg -l network-manager
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                        Version            Architecture       Description
  +++-===========================-==================-==================-============================================================
  ii  network-manager             0.9.10.0-4ubuntu15 i386               network management framework (daemon and userspace tools)

  $ uname -a
  Linux 192-168-0-3 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:01 UTC 2015 i686 i686 i686 GNU/Linux

  $ lspci | grep Ethernet
  01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)

  #Driver in use:r8169

  $ cat /proc/cmdline
  BOOT_IMAGE=/vmlinuz-3.19.0-15-generic root=/dev/mapper/192--168--0--102--vg-root ro splash quiet libata.dma=0

  $ lspci 
  00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02)
  00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
  00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01)
  00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 01)
  00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 01)
  00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 01)
  00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 01)
  00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 01)
  00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller (rev 01)
  00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
  00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
  00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
  00:1f.2 IDE interface: Intel Corporation NM10/ICH7 Family SATA Controller [IDE mode] (rev 01)
  00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 01)
  01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)

  Info:On session Unity Network applet figure online but internet is slow on 1Mbs to 0Mbs.
  Sometimes from applet set  enable/disable from many times to start normal but not allways have succed.
  Temporary i add on file on MetworkManager to solve this issue:
  $ cat /etc/NetworkManager/dispatcher.d/pre-up.d/01set_half
  #!/bin/sh -e
  # Script for setting halfduplex

  if [ -z "$1" ]; then
      echo "$0: error missing interface" 1>&2
      exit 2;
  fi

  /sbin/ethtool -s "$1" duplex half speed 100

  My system is atom :
  $ cat /proc/cpuinfo
  processor	: 0
  vendor_id	: GenuineIntel
  cpu family	: 6
  model		: 28
  model name	: Intel(R) Atom(TM) CPU  230   @ 1.60GHz
  stepping	: 2
  microcode	: 0x218
  cpu MHz		: 1598.645
  cache size	: 512 KB
  physical id	: 0
  siblings	: 2
  core id		: 0
  cpu cores	: 1
  apicid		: 0
  initial apicid	: 0
  fdiv_bug	: no
  f00f_bug	: no
  coma_bug	: no
  fpu		: yes
  fpu_exception	: yes
  cpuid level	: 10
  wp		: yes
  flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dtherm
  bugs		:
  bogomips	: 3197.29
  clflush size	: 64
  cache_alignment	: 64
  address sizes	: 32 bits physical, 48 bits virtual
  power management:

  processor	: 1
  vendor_id	: GenuineIntel
  cpu family	: 6
  model		: 28
  model name	: Intel(R) Atom(TM) CPU  230   @ 1.60GHz
  stepping	: 2
  microcode	: 0x218
  cpu MHz		: 1598.645
  cache size	: 512 KB
  physical id	: 0
  siblings	: 2
  core id		: 0
  cpu cores	: 1
  apicid		: 1
  initial apicid	: 1
  fdiv_bug	: no
  f00f_bug	: no
  coma_bug	: no
  fpu		: yes
  fpu_exception	: yes
  cpuid level	: 10
  wp		: yes
  flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dtherm
  bugs		:
  bogomips	: 3197.29
  clflush size	: 64
  cache_alignment	: 64
  address sizes	: 32 bits physical, 48 bits virtual
  power management:

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