linux-kernel - Re: Linux 5.3-rc1

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Date:   Tue, 23 Jul 2019 09:52:08 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     James Bottomley <James.Bottomley@...senPartnership.com>
Cc:     Steffen Maier <maier@...ux.ibm.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: Linux 5.3-rc1

On Tue, Jul 23, 2019 at 09:23:34AM -0700, James Bottomley wrote:
> On Tue, 2019-07-23 at 09:19 -0700, Guenter Roeck wrote:
> > On Tue, Jul 23, 2019 at 08:33:15AM -0700, James Bottomley wrote:
> > [ ... ]
> > > 
> > > Yes, I think so.  Can someone try this, or something like it.
> > > 
> > > Thanks,
> > > 
> > > James
> > > 
> > > ---
> > > 
> > > diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
> > > index 9381171c2fc0..4715671a1537 100644
> > > --- a/drivers/scsi/scsi_lib.c
> > > +++ b/drivers/scsi/scsi_lib.c
> > > @@ -1793,7 +1793,8 @@ void __scsi_init_queue(struct Scsi_Host
> > > *shost, struct request_queue *q)
> > >  	dma_set_seg_boundary(dev, shost->dma_boundary);
> > >  
> > >  	blk_queue_max_segment_size(q, shost->max_segment_size);
> > > -	blk_queue_virt_boundary(q, shost->virt_boundary_mask);
> > > +	if (shost->virt_boundary_mask)
> > > +		blk_queue_virt_boundary(q, shost-
> > > >virt_boundary_mask);
> > >  	dma_set_max_seg_size(dev, queue_max_segment_size(q));
> > >  
> > >  	/*
> > 
> > This fixes the problem for me.
> 
> Great, thanks!
> 
> I'm thinking this is the more correct fix:
> 
> https://lore.kernel.org/linux-block/1563896932.3609.15.camel@HansenPartnership.com/
> 
> But we'll see what Jens says.

Yes, that patch also fixes the problem with sata-sii3112.

Guenter

> 
> James
>