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[Bug 1495983] Re: [Hyper-V] kernel panic occurs when installing Ubuntu Server 15.10 x32

 

Hello,
Re-opening this to also possibly include 16.04.

We're seeing the same behavior as during the partitioning the process stops at some %.
Maybe some changes that were accepted as part of comment #24 onwards is missing in 16.04?

We verified successfully in the 4.4 kernel that:
- this patch is present: http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=d1cd1210834649ce1ca6bafe5ac25d2f40331343
- MAX_PAGE_BUFFER_COUNT  is set to 32

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https://bugs.launchpad.net/bugs/1495983

Title:
  [Hyper-V] kernel panic occurs when installing Ubuntu Server 15.10 x32

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Fix Released
Status in linux source package in Vivid:
  Fix Released
Status in linux source package in Wily:
  Fix Released

Bug description:
  Attempting to install the latest build of Ubuntu Server 15.10 (Wily
  Werewolf) x32 on Hyper-V, after beginning installation a kernel panic
  occurs. The console log from the serial output is attached.

  http://cdimage.ubuntu.com/ubuntu-server/daily/current/

  I tried with the builds from 14th and 15th of September with the same result. This bug does not affect x64 builds.
  Tried to start the installation with different resources with no effect, kernel panic always occurs no matter the VM settings.

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