From: "Jan C. Bernauer" <jan.bernauer@t-online.de>
To: kvm@vger.kernel.org
Subject: Re: Problem with PCI device assignment (KVM-79, 2.6.28)
Date: Sun, 07 Dec 2008 23:42:32 +0100 [thread overview]
Message-ID: <493C5158.5000406@t-online.de> (raw)
Jakob Sandgren wrote:
> > Hi,
> >
> > I get the following (fatal) error when trying to assign a pci device
> > (USB 2.0 controller) to a guest:
> > create_userspace_phys_mem: Invalid argument
> > assigned_dev_iomem_map: Error: create new mapping failed
> >
> > Assigning another (USB 1.1) device works.
> >
> >
Can you check what lspci -v says?
I suspect the size of a memory region is not a multiple of 4096.
Same thing happens for me for a network and a dvb card.
As far as I know, the mapping code can only map whole pages. So the code
has to expand the size to the nearest multiple.
Best regards,
Jan C. Bernauer
next reply other threads:[~2008-12-07 23:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-07 22:42 Jan C. Bernauer [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-12-07 21:59 Problem with PCI device assignment (KVM-79, 2.6.28) Jakob Sandgren
2008-12-07 22:54 ` Jan C. Bernauer
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