RE: [PATCH] block-mq: set both block queue and hardware queue restart bit for restart

[KY Srinivasan]

> -----Original Message-----
> From: Bart Van Assche [mailto:Bart.VanAssche@xxxxxxxxxxx]
> Sent: Wednesday, April 5, 2017 8:46 PM
> To: linux-kernel@xxxxxxxxxxxxxxx; linux-block@xxxxxxxxxxxxxxx; Long Li
> <longli@xxxxxxxxxxxxx>; axboe@xxxxxxxxx
> Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; KY Srinivasan
> <kys@xxxxxxxxxxxxx>
> Subject: Re: [PATCH] block-mq: set both block queue and hardware queue
> restart bit for restart
> 
> On Thu, 2017-04-06 at 03:38 +0000, Long Li wrote:
> > > -----Original Message-----
> > > From: Bart Van Assche [mailto:Bart.VanAssche@xxxxxxxxxxx]
> > >
> > > Please drop this patch. I'm working on a better solution.
> >
> > Thank you. Looking forward to your patch.
> 
> Hello Long,
> 
> It would help if you could share the name of the block or SCSI driver with
> which you ran into that lockup and also if you could share the name of the
> I/O scheduler used in your test.

The tests that indicated the issue were run Hyper-V. The driver is storvsc_drv.c
The I/O scheduler was I think noop.

K. Y
> 
> Thanks,
> 
> Bart.