[Bug 1288411] Re: udev restart on upgrade broke my wireless state

[Steve Langasek]

Hmmm.  syslog shows:

Mar  5 12:38:09 virgil URfkill[23110]: Starting urfkilld version 0.5.0
Mar  5 12:38:09 virgil URfkill[23110]: adding killswitch idx 1 soft 0 hard 0
Mar  5 12:38:09 virgil URfkill[23110]: killswitch state: KILLSWITCH_STATE_NO_ADA
PTER new_state: KILLSWITCH_STATE_UNBLOCKED
Mar  5 12:38:09 virgil URfkill[23110]: Setting device 1 (BLUETOOTH) to unblock
Mar  5 12:38:09 virgil URfkill[23110]: adding killswitch idx 2 soft 0 hard 0
Mar  5 12:38:09 virgil URfkill[23110]: killswitch state: KILLSWITCH_STATE_NO_ADAPTER new_state: KILLSWITCH_STATE_UNBLOCKED
Mar  5 12:38:09 virgil URfkill[23110]: Setting device 2 (WLAN) to unblock
Mar  5 12:38:09 virgil URfkill[23110]: adding killswitch idx 16 soft 0 hard 0
Mar  5 12:38:09 virgil URfkill[23110]: killswitch state: KILLSWITCH_STATE_UNBLOCKED new_state: KILLSWITCH_STATE_UNBLOCKED
Mar  5 12:38:09 virgil URfkill[23110]: Setting device 16 (BLUETOOTH) to unblock
Mar  5 12:38:09 virgil URfkill[23110]: Setting WLAN to unblocked
Mar  5 12:38:09 virgil URfkill[23110]: Setting BLUETOOTH to unblocked
Mar  5 12:38:09 virgil URfkill[23110]: Setting UWB to unblocked
Mar  5 12:38:09 virgil URfkill[23110]: Setting WIMAX to unblocked
Mar  5 12:38:09 virgil URfkill[23110]: Setting WWAN to unblocked
Mar  5 12:38:09 virgil URfkill[23110]: Setting GPS to unblocked
Mar  5 12:38:09 virgil URfkill[23110]: Setting FM to unblocked
Mar  5 12:38:09 virgil URfkill[23110]: Setting NFC to unblocked
Mar  5 12:38:09 virgil NetworkManager[1399]: <info> urfkill appeared on the bus

So, this corresponds to urfkill being started.  Which is because urfkill
is marked as 'start on started udev'.

I don't know why urfkill wasn't /already/ running; it wasn't part of
this upgrade and its 'stop condition is 'stop on shutdown' which
wouldn't have been met.  And there is no /var/log/upstart/urfkill.log.

/var/log/dmesg suggests that it failed to start on boot, dying with
SIGTRAP:

[   11.585810] init: urfkill main process (755) killed by TRAP signal
[   11.585839] init: urfkill main process ended, respawning
[   11.598492] init: urfkill main process (760) killed by TRAP signal
[   11.598521] init: urfkill respawning too fast, stopped

So, reassigning to urfkill.

** Package changed: systemd (Ubuntu) => urfkill (Ubuntu)

** Changed in: urfkill (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/1288411

Title:
  udev restart on upgrade broke my wireless state

Status in “urfkill” package in Ubuntu:
  New

Bug description:
  Upgrading on trusty today, my wireless connection suddenly cut out,
  with network-manager reporting that "wireless is disabled".  Looking
  at the logs, I see that udev was upgraded, and that as part of that
  upgrade udev was restarted.  I had to toggle the wireless switch on my
  laptop off and on again to get the wireless to come back.

  I don't know why udev is being restarted on upgrade in Ubuntu - this
  is a delta from the Debian package, where udev is never restarted.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: udev 204-5ubuntu13
  ProcVersionSignature: Ubuntu 3.13.0-12.32-generic 3.13.4
  Uname: Linux 3.13.0-12-generic x86_64
  ApportVersion: 2.13.2-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  CustomUdevRuleFiles: 70-ssd-scheduler.rules 70-kvm-perms.rules
  Date: Wed Mar  5 12:43:35 2014
  InstallationDate: Installed on 2010-09-24 (1258 days ago)
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  MachineType: LENOVO 2306CTO
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-12-generic root=UUID=362a1cf5-63b7-4122-8457-33ca1d10a8ad ro quiet splash
  SourcePackage: systemd
  UpgradeStatus: Upgraded to trusty on 2013-10-23 (133 days ago)
  dmi.bios.date: 10/25/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G2ET97WW (2.57 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2306CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG2ET97WW(2.57):bd10/25/2013:svnLENOVO:pn2306CTO:pvrThinkPadX230:rvnLENOVO:rn2306CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2306CTO
  dmi.product.version: ThinkPad X230
  dmi.sys.vendor: LENOVO

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