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From: "Gerd v. Egidy" <lists@egidy.de>
To: "Gerd v. Egidy" <lists@egidy.de>, kvm@vger.kernel.org
Subject: Re: pci device passthrough: Failed to assign irq
Date: Thu, 13 May 2010 23:34:04 +0200	[thread overview]
Message-ID: <201005132334.04264.lists@egidy.de> (raw)
In-Reply-To: <201005131907.06973.lists@egidy.de>

> I'm trying to pass a pcie-device into a kvm guest. qemu-kvm is started
> by libvirt with this command:
[...]
> Failed to assign irq for "hostdev0": Operation not permitted
> Perhaps you are assigning a device that shares an IRQ with another device?

Found out what was causing the issue:

Current libvirt seems to drop CAP_SYS_RAWIO before forking qemu-kvm.

When I patch libvirt to not drop the capabilities, everything works as 
expected. 

So no problem in kvm, sorry for the noise.

Kind regards,

Gerd

      reply	other threads:[~2010-05-13 21:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-13 17:07 pci device passthrough: Failed to assign irq Gerd v. Egidy
2010-05-13 21:34 ` Gerd v. Egidy [this message]

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