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[Bug 1829380] [NEW] race condition between vhost_net_stop and CHR_EVENT_CLOSED on shutdown crashes qemu (fix regression)

 

Public bug reported:

[impact]

this bug is to track re-uploading the fix for bug 1823458 plus a patch
to fix a regression it introduced.

instead of copying the details from bug 1823458, please see that bug for
impact and testcase.

[test case]

see bug 1823458

[regression potential]

see bug 1823458

additionally, the regression from the last fix is in bug 1829245.

the change is in code where this still has the regression potential of
causing guest networking to fail.

** Affects: cloud-archive
     Importance: Undecided
         Status: New

** Affects: qemu (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: qemu (Ubuntu Xenial)
     Importance: Medium
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Also affects: qemu (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: cloud-archive
   Importance: Undecided
       Status: New

** Changed in: qemu (Ubuntu Xenial)
     Assignee: (unassigned) => Dan Streetman (ddstreet)

** Changed in: qemu (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: qemu (Ubuntu Xenial)
       Status: New => In Progress

** Changed in: qemu (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1829380

Title:
  race condition between vhost_net_stop and CHR_EVENT_CLOSED on shutdown
  crashes qemu (fix regression)

Status in Ubuntu Cloud Archive:
  New
Status in qemu package in Ubuntu:
  Invalid
Status in qemu source package in Xenial:
  In Progress

Bug description:
  [impact]

  this bug is to track re-uploading the fix for bug 1823458 plus a patch
  to fix a regression it introduced.

  instead of copying the details from bug 1823458, please see that bug
  for impact and testcase.

  [test case]

  see bug 1823458

  [regression potential]

  see bug 1823458

  additionally, the regression from the last fix is in bug 1829245.

  the change is in code where this still has the regression potential of
  causing guest networking to fail.

To manage notifications about this bug go to:
https://bugs.launchpad.net/cloud-archive/+bug/1829380/+subscriptions


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