From: Paolo Bonzini <pbonzini@redhat.com>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Kevin Wolf <kwolf@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] savevm/loadvm
Date: Tue, 08 Oct 2013 11:04:53 +0200 [thread overview]
Message-ID: <5253CAB5.7040708@redhat.com> (raw)
In-Reply-To: <5253C514.6090103@ozlabs.ru>
Il 08/10/2013 10:40, Alexey Kardashevskiy ha scritto:
> However qcow2_save_vmstate() sets bs->growable to 1 for a short time
> (commit 178e08a58f40dd5aef2ce774fe0850f5d0e56918 from 2009) and this
> triggers a branch in bdrv_co_do_writev() which changes bs->total_sectors.
> So when QEMU writes snapshots to the file, the disk_size field of a
> snapshot has bigger value (for example 0x4.007b.8180).
I think you need to modify qcow2_save_vmstate to save and restore
bs->total_sectors. Can you test that and if so post the patch?
Paolo
next prev parent reply other threads:[~2013-10-08 9:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 8:40 [Qemu-devel] savevm/loadvm Alexey Kardashevskiy
2013-10-08 9:04 ` Paolo Bonzini [this message]
2013-10-08 9:23 ` Kevin Wolf
2013-10-08 9:33 ` Paolo Bonzini
2013-10-09 7:15 ` Alexey Kardashevskiy
2013-10-09 7:47 ` Paolo Bonzini
2013-10-10 3:50 ` Alexey Kardashevskiy
2013-10-16 6:51 ` Alexey Kardashevskiy
2013-11-01 13:22 ` Alexey Kardashevskiy
2013-11-01 14:16 ` Max Reitz
2013-11-03 0:34 ` Alexey Kardashevskiy
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