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[Bug 1516547] Re: Ubuntu 15.10 crashes with RAID-10

 

Next, we need to figure out which release candidate introduced this bug.
Once we find that, we can bisect down to the exact commit.

Can you test the following kernels and post back? We are looking for the
first kernel version that exhibits this bug.

Can you next test the v4.2-rc5 kernel?  It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc5-unstable/

If that kernel exhibits the bug, we would want to test rc2.  If it does
not have the bug, we would want to test rc6 or rc7.  Basically we want
to know that last good rc and the first bad rc.

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https://bugs.launchpad.net/bugs/1516547

Title:
  Ubuntu 15.10 crashes with RAID-10

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When trying to install Ubuntu 15.10 with a RAID-10 created the system
  crashes after some time during the installation. Hitting Alt+F4 gives
  the following output as seen from screenshots in attachments.

  It looks like kernel 4.2 have some issues with RAID-10 as we can
  install Ubuntu 15.04 (with kernel 3.19) without problems. If we
  upgrade to kernel 4.2 in Ubuntu 15.04 we get the same errors.

  We have no problems when installing without RAID, RAID-0 or RAID-1.
  We've also tried on different hardware and different disk types/sizes
  but we still get system crash.

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