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From: Chris Webb <chris@arachsys.com>
To: Glauber Costa <glommer@redhat.com>
Cc: aliguori@us.ibm.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [GIT PULL] 0.10.7 stable release
Date: Wed, 26 Aug 2009 18:50:41 +0100	[thread overview]
Message-ID: <20090826175041.GA2221@arachsys.com> (raw)
In-Reply-To: <1251291946-25821-1-git-send-email-glommer@redhat.com>

Glauber Costa <glommer@redhat.com> writes:

> These are the patches I am proposing for 0.10.7 stable release. If you disagree
> with any of them, or think a patch should go in that is not in this list, let me know

I have seen a large number of failures of production qemu-kvm virtual
machines with segfaults in the VNC code. (Thread rooted at
<20090812150159.GW5348@arachsys.com>.)

Avi pointed out Gerd's patch 198a00:

  http://git.qemu.org/qemu.git/commit/?id=198a0039c5fca224a77e9761e2350dd9cc102ad0

which I backported <20090819224739.GB17276@arachsys.com>:

  http://lists.gnu.org/archive/html/qemu-devel/2009-08/msg00949.html

This has massively reduced the crash rate of qemu-kvm processes across our
clusters, although I still do a see a (much rarer) vnc-related segfault in
vnc_framebuffer_update().

Although these use-after-free problems were seen in qemu-kvm, the code (and
patch) are identical in standard qemu so I'd strongly recommend this
backport of Gerd's patch for qemu-stable 0.10.7.

Best wishes,

Chris.

  parent reply	other threads:[~2009-08-26 17:51 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-26 13:05 [Qemu-devel] [GIT PULL] 0.10.7 stable release Glauber Costa
2009-08-26 13:05 ` [Qemu-devel] [PATCH 01/12] fix for bad macaddr of e1000 in Windows 2003 server with original MS driver Glauber Costa
2009-08-26 13:05   ` [Qemu-devel] [PATCH 02/12] Handle BH's queued by AIO completions in qemu_aio_flush() Glauber Costa
2009-08-26 13:05     ` [Qemu-devel] [PATCH 03/12] BACKPORT: Add save/restore support to the LSI logic SCSI device model Glauber Costa
2009-08-26 13:05       ` [Qemu-devel] [PATCH 04/12] vmdk: Fix backing file handling Glauber Costa
2009-08-26 13:05         ` [Qemu-devel] [PATCH 05/12] fix broken migration Glauber Costa
2009-08-26 13:05           ` [Qemu-devel] [PATCH 06/12] fix migration to obey -S Glauber Costa
2009-08-26 13:05             ` [Qemu-devel] [PATCH 07/12] BACKPORT: vnc: fix copyrect screen corruption Glauber Costa
2009-08-26 13:05               ` [Qemu-devel] [PATCH 08/12] e1000.c doesn't properly emulate EERD and ICS registers Glauber Costa
2009-08-26 13:05                 ` [Qemu-devel] [PATCH 09/12] make windows notice media change Glauber Costa
2009-08-26 13:05                   ` [Qemu-devel] [PATCH 10/12] BACKPORT: Fix segfault of qemu-system-arm with PXA target Glauber Costa
2009-08-26 13:05                     ` [Qemu-devel] [PATCH 11/12] Fix detached migration with exec Glauber Costa
2009-08-26 13:05                       ` [Qemu-devel] [PATCH 12/12] Don't segfault when changing VNC password on an SDL display Glauber Costa
2009-08-27  7:54                       ` [Qemu-devel] Re: [PATCH 11/12] Fix detached migration with exec Chris Lalancette
2009-10-01  9:21               ` [Qemu-devel] [PATCH 07/12] BACKPORT: vnc: fix copyrect screen corruption Mark McLoughlin
2009-08-26 18:15           ` [Qemu-devel] Re: [PATCH 05/12] fix broken migration Paolo Bonzini
     [not found]           ` <m3y6p6ciif.fsf@neno.mitica>
2009-08-27 17:36             ` Glauber Costa
2009-08-28  7:47               ` Paolo Bonzini
2009-08-26 17:50 ` Chris Webb [this message]
2009-08-27  1:14   ` [Qemu-devel] [GIT PULL] 0.10.7 stable release Glauber Costa
2009-08-27  8:56     ` Chris Webb
  -- strict thread matches above, loose matches on Subject: below --
2009-08-26 21:00 Stephen Depooter
2009-08-27  1:09 ` Glauber Costa
2009-08-27  1:23   ` Stephen Depooter

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