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[Bug 1411843] Re: Crashes in iwlwifi after upgrade to 3.13.0-44

 

I realize my wording is ambiguous. What I'm seeing is that WLAN just
stops working at the time those messages in the syslog appear. I am then
unable to get wireless again by standard means: rfkill on/off doesn't
help, rmmod hangs or fails with module busy. The system won't perform a
clean shutdown either, I have to hold to power button at the end of the
shutdown sequence to actually power off.

Happy to provide more information/log files.

** Description changed:

- After upgrading to Linux 3.13.0-44, I've been experiencing crashes in
- iwlwifi. Syslog and other information attached. I'm now back on
- 3.13.0-43 without issues.
+ After upgrading to Linux 3.13.0-44, I've been experiencing failures in
+ iwlwifi. What I'm seeing is that WLAN just stops working at the time
+ those messages in the syslog appear. I am then unable to get wireless
+ again by standard means: rfkill on/off doesn't help, rmmod hangs or
+ fails with module busy. The system won't perform a clean shutdown
+ either, I have to hold to power button at the end of the shutdown
+ sequence to actually power off. I'm now back on 3.13.0-43 without
+ issues.
  
  Additionally:
  bash: ubuntu-bug: command not found
  
  I have attached excerpts from my syslog and some version/hardware
- information.
+ information. Happy to provide more information/log files.

** Summary changed:

- Crashes in iwlwifi after upgrade to 3.13.0-44
+ Failures in iwlwifi after upgrade to 3.13.0-44

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https://bugs.launchpad.net/bugs/1411843

Title:
  Failures in iwlwifi after upgrade to 3.13.0-44

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  After upgrading to Linux 3.13.0-44, I've been experiencing failures in
  iwlwifi. What I'm seeing is that WLAN just stops working at the time
  those messages in the syslog appear. I am then unable to get wireless
  again by standard means: rfkill on/off doesn't help, rmmod hangs or
  fails with module busy. The system won't perform a clean shutdown
  either, I have to hold to power button at the end of the shutdown
  sequence to actually power off. I'm now back on 3.13.0-43 without
  issues.

  Additionally:
  bash: ubuntu-bug: command not found

  I have attached excerpts from my syslog and some version/hardware
  information. Happy to provide more information/log files.

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References