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Re: [Qemu-discuss] Error starting domain: vfio-pci

From: Gabriel Laupre
Subject: Re: [Qemu-discuss] Error starting domain: vfio-pci
Date: Wed, 24 Jun 2015 14:44:57 -0700

Yes, this is a standard driver that has been upstream in Linux, FreeBSD & Windows for some time with no adverse effects seen on the hardware. This issue has also been fixed in the latest iteration of hardware so it wont' be a problem in the future.

We would definitely like qemu to work out of the box with the current hardware series. I will send out a patch regarding the same if no one has any objections.


2015-06-22 19:08 GMT-07:00 Jakob Bohm <address@hidden>:
On 23-06-2015 03:20, Gabriel Laupre wrote:
I noticed that the pba_offset was wrong and it is a problem in my NIC.

NIC = Network Interface Card (not driver).
Maybe it is better that qemu catches bad drivers before
they harm real hardware.

Of cause if a real NIC does something useful when given
that out of range value (such as changing a flag or
doing other effects while transferring no data), then
it would be best for qemu to emulate that feature when
emulating that real hardware.

If the driver in question is the standard driver in a
major OS (such as upstream Linux), and has been for
some time, with no adverse effect on real hardware,
then it might make sense for qemu to accept the quirky
driver as a service to the many users who want to boot
stock OS images.


Jakob Bohm, CIO, Partner, WiseMo A/S.  http://www.wisemo.com
Transformervej 29, 2860 Soborg, Denmark.  Direct +45 31 13 16 10
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