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xen-devel
Re: [Xen-devel] Regression in PCI pass-through from qemu-xen changeset "
[ Added Shimada-san to CC list ]
On Sat, May 02, 2009 at 12:10:15PM +1000, Simon Horman wrote:
> Changeset "passthrough: Fix older kernel assigned device resume failure
> problem" (dbb8aafa702b8b4f5568e08641d98471fd04e0f8) in
> qemu-xen-unstable.git appears to cause a regression. This changeset was
> applied between the xen-3.4.0-rc2 and xen-3.4.0-rc3 tags of
> qemu-xen-unstable.git.
>
> [ This problem was previously reported as being in the previous
> changeset, "Fix hvm guest cirrus_vga hvm s3 resume failure".
> Apologies for any confusion that may cause ]
>
> The problem that I am seeing is that with this changeset applied
> I am not able to correctly initialise Intel network cards. Though
> I assume the problem is not specific to this hardware.
>
> In the case of an Intel e100 82557/8/9/0/1 the problem manifests as the
> EEPROM being declared invalid, although the device seems to be usable
> by domU.
>
> In the case of an Intel igb 82576 the card is initialised by the
> guest operating system but is unable to establish a link and
> ethtool returning invalid values for the supported ports -
> it tells me the card has fibre when in fact it has copper.
>
> domU is running x86_32 2.6.30-rc4. dom0 is x86_64.
--
Simon Horman
VA Linux Systems Japan K.K. Satellite Lab in Sydney, Australia
H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en
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