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?


greg k-h

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