On Fri, Aug 10, 2018 at 10:31:29AM +0800, Ming Lei wrote: > On Fri, Aug 10, 2018 at 02:09:01AM +0000, Felipe Franciosi wrote: > > Hi Ming (and all), > > > > Your series "scsi: virtio_scsi: fix IO hang caused by irq vector automatic affinity" which forces virtio-scsi to use blk-mq fixes an issue introduced by 84676c1f. We noticed that this bug also exists in 4.14.y (as ef86f3a72adb), but your series was not backported to that stable branch. > > > > Are there any plans to do that? At least CoreOS is using 4.14 and showing issues on AHV (which provides an mq virtio-scsi controller). > > > > Hi Felipe, > > Looks the following 4 patches should have been marked as stable, sorry > for missing that. > > b5b6e8c8d3b4 scsi: virtio_scsi: fix IO hang caused by automatic irq vector affinity > 2f31115e940c scsi: core: introduce force_blk_mq > adbe552349f2 scsi: megaraid_sas: fix selection of reply queue > 8b834bff1b73 scsi: hpsa: fix selection of reply queue > > Usually this backporting is done by our stable guys, so I will CC stable > and leave them handle it, but I am happy to provide any help for > addressing conflicts or sort of thing. As the above patches do not apply "cleanly" to the 4.14.y tree at all, can you please provide a set of backported patches that I can apply? thanks, greg k-h