Re: [Qemu-devel] kvm segfaulting

[Paolo Bonzini]

Il 11/02/2013 14:35, Stefan Priebe - Profihost AG ha scritto:
> Hi Stefan,
> 
> yes i use virtio-scsi-pci in all my guests. As it is the only one where
> i can use fstrim from guest to storage with rbd ;-)

Can you check for anything suspicious in the kernel console output?

Paolo

> Stefan
> Am 11.02.2013 14:21, schrieb Stefan Hajnoczi:
>> On Mon, Feb 11, 2013 at 2:08 PM, Stefan Priebe - Profihost AG
>> <address@hidden> wrote:
>>> Hi,
>>> Am 11.02.2013 13:48, schrieb Paolo Bonzini:
>>>> Il 11/02/2013 10:48, Stefan Priebe - Profihost AG ha scritto:
>>>>>     req->resp.cmd->status = status;
>>>>>     if (req->resp.cmd->status == GOOD) {
>>>>>         req->resp.cmd->resid = tswap32(resid);
>>>>>     } else {
>>>>>         req->resp.cmd->resid = 0;
>>>>>         sense_len = scsi_req_get_sense(r, req->resp.cmd->sense,
>>>>>                                        VIRTIO_SCSI_SENSE_SIZE);
>>>>>         req->resp.cmd->sense_len = tswap32(sense_len);
>>>>>     }
>>>>>     virtio_scsi_complete_req(req);
>>>>> }
>>>>
>>>> Can you reproduce this?
>>>
>>> Sadly no - but i've seen this 3 times in the last 4 weeks. I checked all
>>> addresses / dmesg messages and all crashes point to that line.
>>
>> Just for sanity, because I never trust addr2line, can you please
>> confirm that you are using virtio-scsi in your guest?
>>
>> The kvm command-line should contain "-device virtio-scsi-pci".