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Re: [Qemu-devel] [PATCH] We should check virtio_load return code
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH] We should check virtio_load return code |
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Date: |
Thu, 01 Mar 2012 12:14:12 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 |
Il 01/03/2012 12:00, Orit Wasserman ha scritto:
>> > A description on how to reproduce the crash would be nice.
> We changed the default of the command -device virtio-blk-pci,drive=...
> from scsi=on to scsi=off for security reasons (disable SG_IO).
> If you try to migrate from an older version (which had the default scsi=on)
> to a newer version
> (that has default scsi=off) we get the crash.
Actually the default didn't change in QEMU. It's libvirt that changed
the command-line with which it invokes QEMU.
This patch fixes the crash, I'll post one to fix migration later.
Paolo