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[Qemu-devel] [Bug 1303926] Re: qemu-system-x86_64 crashed with SIGABRT


From: Serge Hallyn
Subject: [Qemu-devel] [Bug 1303926] Re: qemu-system-x86_64 crashed with SIGABRT
Date: Wed, 09 Apr 2014 01:03:17 -0000

Pretty sure that commit b533f658a98325d0e47b36113bd9f5bcc046fdae is the
first bad commit.

This is interesting.  The commit is correct in that kvm_vm_ioctl()
returns -errno, not -1, on error.  However, the caller,
kvm_physical_sync_dirty_bitmap, on seeing the error, shortcuts some
extra errors to return -1 itself, but its caller then ignores its error.

An extra debug statement shows that the ioctl is getting

ioctl failed: No such file or directory

-- 
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https://bugs.launchpad.net/bugs/1303926

Title:
  qemu-system-x86_64 crashed with SIGABRT

Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Triaged

Bug description:
  I've been getting this periodically since my upgrade to qemu 2.0 in
  trusty this morning.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: qemu-system-x86 2.0.0~rc1+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8
  Uname: Linux 3.13.0-23-generic x86_64
  ApportVersion: 2.14.1-0ubuntu1
  Architecture: amd64
  Date: Mon Apr  7 13:31:53 2014
  ExecutablePath: /usr/bin/qemu-system-x86_64
  InstallationDate: Installed on 2013-11-26 (131 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 
(20131016.1)
  ProcEnviron: PATH=(custom, no user)
  Registers: No symbol table is loaded.  Use the "file" command.
  Signal: 6
  SourcePackage: qemu
  StacktraceTop:
   
  Title: qemu-system-x86_64 crashed with SIGABRT
  UpgradeStatus: Upgraded to trusty on 2014-01-17 (79 days ago)
  UserGroups:

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