kernel-packages team mailing list archive

[Timo Aaltonen <tjaalton@xxxxxxxxxx>]

Public bug reported:

It was observed that running certain apps (xterm, amdcccle) crash the
xserver on Skylake. Rough bisect showed that 4.1-rc6 was ok while rc5
wasn't, and git bisect found the fixing commit:

commit 061cc3ab4c7b8ed235466134a00b9531766f6c1a
Author: Ingo Molnar <mingo@xxxxxxxxxx>
Date:   Wed May 20 11:45:30 2015 +0200

    x86/fpu: Disable XSAVES* support for now

while it's also cc'd to stable@, it's needed in the vivid kernel now to
make the (backport) kernel deadline for 14.04.3.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Vivid)
     Importance: Undecided
         Status: New

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

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https://bugs.launchpad.net/bugs/1468797

Title:
  [SKL] starting xterm crashes the xserver

Status in linux package in Ubuntu:
  New
Status in linux source package in Vivid:
  New

Bug description:
  It was observed that running certain apps (xterm, amdcccle) crash the
  xserver on Skylake. Rough bisect showed that 4.1-rc6 was ok while rc5
  wasn't, and git bisect found the fixing commit:

  commit 061cc3ab4c7b8ed235466134a00b9531766f6c1a
  Author: Ingo Molnar <mingo@xxxxxxxxxx>
  Date:   Wed May 20 11:45:30 2015 +0200

      x86/fpu: Disable XSAVES* support for now

  while it's also cc'd to stable@, it's needed in the vivid kernel now
  to make the (backport) kernel deadline for 14.04.3.

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