Ubuntu Wiki

If you find a kernel bug or want to work on a kernel bug, please make sure you have the following information:

Did it work in Breezy? If no try a vanilla kernel, or does it work on other linuxes ? If yes - mark major in the bug.

ALL of the following (and the lspci entries are *not* the same, run both):

• the output of lspci -vv

• the output of lspci -vvn

• the output of dmesg

• /var/log/kern.log

• If you have a fault that triggers after some action, such as inserting a device, run the above 4 things twice, once before and once after.
• Make sure you read:

  • https://wiki.ubuntu.com/MemoryTest

  • https://wiki.ubuntu.com/DebuggingSystemCrash

  • https://wiki.ubuntu.com/DebuggingIRQProblems

  • https://wiki.ubuntu.com/DebuggingProcedures

Sound problems

Please subscribe alsa-team.

["CategoryKernel"]