[Bug 956051] Re: libc6 crash while running 'xm'

[Launchpad Bug Tracker]

This bug was fixed in the package eglibc - 2.15-0ubuntu16

---------------
eglibc (2.15-0ubuntu16) quantal; urgency=low

  * Backport fix from 2.16 to fix htons() conversion errors on non-x86
    architectures, by correctly casting to uint16_t (LP: #1016349)
  * Restore missing AT_EMPTY_PATH definition in fnctl.h (LP: #1010069)
  * Backport FMA4/AVX detection from glibc 2.16 (LP: #956051, #979003)
  * Backport fixups to AVX-using code to match the detection backport.
 -- Adam Conrad <adconrad at ubuntu.com>   Thu, 09 Aug 2012 15:15:53 -0600

** Changed in: eglibc (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/956051

Title:
  libc6 crash while running 'xm'

Status in “eglibc” package in Ubuntu:
  Fix Released
Status in “eglibc” source package in Precise:
  Confirmed

Bug description:
  Ubuntu Version: 12.04 (precise)

  libc6: 2.15-0ubuntu5
  xen-hypervisor-4.1-amd64: 4.1.2-2ubuntu2
  linux-image-generic: 3.2.0.18.20

  Everytime I try to run 'xm list' on a new AMD Opteron 6274 system (Bulldozer architecture) I'm getting a crash.
  I couldn't even file a bug report through "apport-bug".
  Repeating the same procedure with Ubuntu Oneiric showed no problems at all.

  dmesg showed following messages:

  [  479.891581] xm[1746] trap invalid opcode ip:7fd684f8a5fc sp:7fff3ebb3c70 error:0 in libm-2.15.so[7fd684f48000+f9000]
  [  479.937611] apport[1758] trap invalid opcode ip:7fd6cb9ea5fc sp:7fff9bbc06b0 error:0 in libm-2.15.so[7fd6cb9a8000+f9000]
  [  479.937641] Process 1758(apport) has RLIMIT_CORE set to 1
  [  479.937645] Aborting core

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