On Fri, May 16, 2025 at 09:21:32AM +0200, Thomas Huth wrote: > On 24/04/2025 11.39, Thomas Huth wrote: > > On 26/03/2025 11.43, Thomas Huth wrote: > > > On 11/03/2025 17.00, Kevin Wolf wrote: > > > > From: Stefan Hajnoczi <stefa...@redhat.com> > > > > > > > > Allow virtio-scsi virtqueues to be assigned to different IOThreads. This > > > > makes it possible to take advantage of host multi-queue block layer > > > > scalability by assigning virtqueues that have affinity with vCPUs to > > > > different IOThreads that have affinity with host CPUs. The same feature > > > > was introduced for virtio-blk in the past: > > > > https://developers.redhat.com/articles/2024/09/05/scaling-virtio-blk- > > > > disk- io-iothread-virtqueue-mapping > > > > > > Hi Stefan! > > > > > > This patch seems to cause some troubles with iotest 240 in raw (and > > > some other) mode: > > > > > > 240 fail [11:41:33] [11:41:34] 0.8s (last: 0.8s) output > > > mismatch (see tests/qemu-iotests/scratch/raw-file-240/240.out.bad) > > > --- tests/qemu-iotests/240.out > > > +++ tests/qemu-iotests/scratch/raw-file-240/240.out.bad > > > @@ -46,11 +46,11 @@ > > > {"execute": "device_add", "arguments": {"bus": "scsi0.0", "drive": > > > "hd0", "driver": "scsi-hd", "id": "scsi-hd0"}} > > > {"return": {}} > > > {"execute": "device_add", "arguments": {"bus": "scsi1.0", "drive": > > > "hd0", "driver": "scsi-hd", "id": "scsi-hd1"}} > > > -{"error": {"class": "GenericError", "desc": "Cannot change iothread > > > of active block backend"}} > > > +{"return": {}} > > > {"execute": "device_del", "arguments": {"id": "scsi-hd0"}} > > > {"return": {}} > > > {"execute": "device_add", "arguments": {"bus": "scsi1.0", "drive": > > > "hd0", "driver": "scsi-hd", "id": "scsi-hd1"}} > > > -{"return": {}} > > > +{"error": {"class": "GenericError", "desc": "Duplicate device ID > > > 'scsi- hd1'"}} > > > {"execute": "device_del", "arguments": {"id": "scsi-hd1"}} > > > {"return": {}} > > > {"execute": "blockdev-del", "arguments": {"node-name": "hd0"}} > > > Failures: 240 > > > Failed 1 of 1 iotests > > > > > > Could you please have a look? > > > > Ping! > > > > The problem still persists in QEMU 10.0 :-( > > Ping^2 ! > > It's still failing. Could anybody please have a look?
Hi Thomas, I will take a look on Thursday. Stefan
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