From: Kevin Wolf <kwolf@redhat.com>
To: Jonathan Nieder <jrnieder@gmail.com>
Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [regression] qemu-system-arm: segfault in lsi_do_command
Date: Mon, 16 May 2011 17:58:26 +0200 [thread overview]
Message-ID: <4DD149A2.6020801@redhat.com> (raw)
In-Reply-To: <20110516154301.GA25150@elie>
Am 16.05.2011 17:43, schrieb Jonathan Nieder:
> Kevin Wolf wrote:
>
>> Your instructions seemed clear enough, so I tried to reproduce your
>> problem. Now I have an ARM VM with a Debian installation that works just
>> fine and I have no idea what to use it for. ;-)
>
> So I was puzzled about this for a while, but then I had a flash
> of inspiration:
>
> unset MALLOC_PERTURB_
> reproduction-script; # no segfault
>
> MALLOC_PERTURB_=37
> export MALLOC_PERTURB_
> reproduction-script; # segfaults
>
> Thanks. Sorry, it's easy to forget.
Thanks. Still doesn't make much sense to me, the patch shouldn't change
anything with respect to a malloc, but I can reproduce a segfault now. I
think I'll have a closer look tomorrow.
Kevin
next prev parent reply other threads:[~2011-05-16 15:55 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-04 13:15 [Qemu-devel] [PULL 00/10] Block patches Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 01/10] scsi-disk: Implement rerror option Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 02/10] block: Allow bdrv_flush to return errors Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 03/10] scsi-disk: Complete failed requests in scsi_disk_emulate_command Kevin Wolf
2011-05-16 11:23 ` [Qemu-devel] [regression] qemu-system-arm: segfault in lsi_do_command Jonathan Nieder
2011-05-16 15:13 ` Kevin Wolf
2011-05-16 15:30 ` Jonathan Nieder
2011-05-16 15:43 ` Jonathan Nieder
2011-05-16 15:58 ` Kevin Wolf [this message]
2011-05-16 16:26 ` Paolo Bonzini
2011-05-16 18:35 ` Jonathan Nieder
2011-05-17 7:43 ` Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 04/10] scsi-disk: Implement werror for flushes Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 05/10] vpc: Implement bdrv_flush Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 06/10] qcow2: Invalidate cache after failed read Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 07/10] block: avoid a warning on 64 bit hosts with long as int64_t Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 08/10] ide: Handle immediate bdrv_aio_flush failure Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 09/10] virtio-blk: Handle immediate flush failure properly Kevin Wolf
2010-11-04 13:15 ` [Qemu-devel] [PATCH 10/10] scsi-disk: Fix immediate failure of bdrv_aio_* Kevin Wolf
2010-11-04 13:23 ` [Qemu-devel] Re: [PULL 00/10] Block patches Anthony Liguori
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