kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Johnny Robertson, could you please confirm this issue exists with the
latest development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
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 following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. 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-v3.11-rc3

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

If you are unable to test the mainline kernel, please comment as to why specifically you were unable to test it and add the following tags:
kernel-unable-to-test-upstream
kernel-unable-to-test-upstream-VERSION-NUMBER

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.

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

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https://bugs.launchpad.net/bugs/1127831

Title:
  Ubuntu 12.10 x86_64  3.5.0-22  kernel panic Ralink RT3573

Status in Linux Kernel Bugs:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  1) Description:	Ubuntu 12.10
  Release:	12.10

  2) Linux localhost 3.5.0-22-generic #34-Ubuntu SMP Tue Jan 8 21:47:00
  UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

  3) what is expected to happen is the kernel does not panic with the
  Ralink RT3573 v2.5 driver for the Linksys AE3000 USB Wifi adapter.

  4) What happens instead is a Kernel panic occurs as fast as 89 seconds into runtime. This backtrace was typed-out from a photo I captured via camera:
  __netif_receive_skb+0x054a/0x620
  process_backlog+0xc1/0x1a0
  net_rx_action+0x123/0x220
  __do_softirq+0xb6/0x1d0
  ? ack_apic_level+0x78/0x130
  call_softirq+0x1c/0x30
  do_softirq+0x75/0xb0
  irq_exit+0xa5/0xb0
  do_IRQ+0x63/0xe0
  common_interrupt+0x6a/0x6a
  <EOI>
  ? intel_idle+0xea/0x150
  ? intel_idle+0xcb/0x150
  cpuidle_enter+0x19/0x20
  cpuidle_idel_call+0xa9/0x240
  cpu_idle+0xaf/0x120
  start_secondary+0x1de/0x1e5
  Code: 00 00 48 89 44 24 10 8b 87 cc 00 00 00 48 89 44 24 08 48 8b 87 e0 00 00 00 48 c7 c7 40 9e 81 48 89 04 24 31 c0 e8 e8 0a 11 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41
  RIP [<ffffffff81565af4>] skb_put+0x94/0xa0
   RSP <ffff8801bfc43a50>
  - - - [ end trace 954fd134cc0c79c6 ] - - -
  kernel panic - not syncing: Fatal exception in interrupt

  4 images captured with a camera of the kernel panic output are attached to this report:
  1. Kernel panic output showing invalid opcode.
  2. Kernel panic showing backtrace.
  3. Kernel panic with APIC disabled (noapic)
  4. Kernel panic with APIC enabled

  Further debug info:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1127831/+attachment/3760671/+files/debuginfo

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