kernel-packages team mailing list archive

[Serge Hallyn <1208455@xxxxxxxxxxxxxxxxxx>]

Quoting Stefan Bader (stefan.bader@xxxxxxxxxxxxx):
> Serge mentioned today on IRC that this may be also a glibc issue, but I
> am not sure what exactly he was looking at and why he thinks so.
> Apparently ftracing (I guess the qemu process) and some partially
> inlining clone function (those with .isra extention) were involved.

Right, ftrace seems the most likely culprit.  In any case, since
a newer kernel is confirmed to fix it, disregard anything I said
about libc :)

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https://bugs.launchpad.net/bugs/1208455

Title:
  general protection fault running apt-get inside double nested kvm VM

Status in “linux” package in Ubuntu:
  Incomplete
Status in “qemu-kvm” package in Ubuntu:
  New

Bug description:
  Attempting to run apt-get in a nested vm hosted in OpenStack results
  in a  general protection fault in the kernel in the nested VM.

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