[Bug 1627768] Re: multipath silently crashes with general protection

[Matthew Heler]

The issue still appears to be present on multipath-tools
(0.4.9-3ubuntu7.14). We tested that package on Monday, and experienced
the same crash.

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https://bugs.launchpad.net/bugs/1627768

Title:
  multipath silently crashes with general protection

Status in multipath-tools package in Ubuntu:
  Incomplete

Bug description:
  When mulitpathd is called for a reload, a general protection fault
  occurs on the process. The process will silently fail with the
  exception of a general protection fault showing the kern.log's.

  Sep 23 15:14:25 123456-compute kernel: [2060005.780291] traps:
  multipathd[8490] general protection ip:7f5e9a8b47c5 sp:7f5e9b7dc880
  error:0 in libc-2.19.so[7f5e9a836000+1ba000]

  This occurs on multiple hosts in our environment and is not isolated
  to a single host. The backend storage is iSCSI, with XtremIO.

  Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-92-generic x86_64)
  multipath-tools/trusty-updates,now 0.4.9-3ubuntu7.13 amd64 [installed]
  libc6/trusty-updates,trusty-security,now 2.19-0ubuntu6.9 amd64 [installed]

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