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Re: [Qemu-devel] [PATCH for-1.4 0/2] fix migration failure from 1.3 due
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH for-1.4 0/2] fix migration failure from 1.3 due to SeaBIOS size change |
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Date: |
Tue, 12 Feb 2013 08:51:41 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 |
Il 11/02/2013 17:13, Philipp Hahn ha scritto:
> We currenty are carrying the attached patch with our Debian based
> distribution, which fixes a very similar issue with the PXE-BIOSs, because
> Debian provides it's own compilation of etherboot and iPXE.
>
> As each upgrade threatens to break all your previous snapshots, would it help
> to include the BIOSs within the saved state instead of letting qemu pickup
> the
> current external file?
IIRC it does. The problem is that the ROM regions are created before
migration starts, and thus have unexpected size. In your patch, picking
up the correct file only matters because it tells QEMU the right size
for the ROM region.
Paolo