kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

I'd like to perform a kernel bisect to figure out which commit caused
this regression. We need to identify the earliest kernel that did not
exhibit the bug and the first kernel that did exhibit the bug.

Can you test the following kernels and post back?

http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2.8-ckt1-wily/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2.8-ckt2-wily/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2.8-ckt3-wily/

You don't have to test every kernel, just up until the first kernel that
has this bug.

Thanks in advance!

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Tags added: kernel-da-key

** Also affects: linux (Ubuntu Wily)
   Importance: Undecided
       Status: New

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

** Changed in: linux (Ubuntu Wily)
   Importance: Undecided => High

** Tags added: performing-bisect wily

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https://bugs.launchpad.net/bugs/1550316

Title:
  kernel 4.2.0-30 does not boot

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Wily:
  Confirmed

Bug description:
  after recent dist-upgrade that brought linux-image-4.2.0-30 the system does not boot.
  i'm running kubuntu 15.10, with grub options to show the boot messages instead of splash, so as far as i get is something about clocksource tsc... it waits, says done, then waits quite a bit... 
  and then drops into initramfs prompt saying it got too long to wait for main disc/partition something... and that /dev/disc/by-uiid/xxx ... does not exist.

  so it kind of looks like it doesn't see my harddrive, or can't access
  the stuff on it.

  booting into older kernel 4.2.0-27 work like before.

  i'm running kubuntu 15.10..

  .b

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