Re: KVM: injection failed, MSI lost (Operation not permitted)

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On 2012-09-27 14:12, Michael S. Tsirkin wrote:
> On Tue, Sep 25, 2012 at 05:32:47PM +0200, Jan Kiszka wrote:
>> On 2012-09-25 16:19, Michael S. Tsirkin wrote:
>>> Each time I kill qemu-kvm I get this error:
>>> KVM: injection failed, MSI lost (Operation not permitted)
>>>
>>> Jan, any idea?
>>
>> Race in shutting down resources?
>>
>> What do you do precisely? I never saw this.
>>
>> Jan
> 
> I boot guest like this:
> 
> /home/mst/qemu-test/bin/qemu-system-x86_64   -enable-kvm -cpu kvm64 -m
> 1G -drive file=/home/mst/rhel6-try.qcow2 -net
> nic,model=virtio,netdev=foo -netdev id=bar -device e1000,netdev=bar
> -redir tcp:8022::22 -netdev
> tap,id=foo,ifname=msttap0,script=/home/mst/ifup,downscript=no,vhost=off
> -vnc :1 -smp 16 -snapshot
> 
> At some later point I kill it from another shell:
> 
> kill `pgrep qemu`

Hmm, cannot reproduce, even under flood-ping load on the virtio device,
ie. the one that is using MSI. I'm afraid you will have to trace the
event flow.

Jan

-- 
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux
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