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Re: [Xen-devel] xen crash related to pci passthrough
| To: | Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] xen crash related to pci passthrough |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Thu, 27 May 2010 21:02:55 +0100 |
| Cc: | Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> |
| Delivery-date: | Thu, 27 May 2010 13:04:11 -0700 |
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| Thread-topic: | [Xen-devel] xen crash related to pci passthrough |
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On 27/05/2010 20:51, "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> wrote: > 3. attach device to PV domU > dom0# xl pci-attach f13pv64 0000:03:00.0 > 4. unbind from pciback > dom0# echo 0000:03:00.0 > /sys/bus/pci/drivers/pciback/unbind > 5. rmmod driver in domU > domU# rmmod e1000e > 6. Crash! > > The device in question is an Intel 82574L ethernet controller, using > msi-x interrupts. What happens if you pci-detach before unbinding from pciback? Not that Xen should crash of course, but a crash resulting from a mistake in detach ordring in dom0 would be less worrying than some alternatives. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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