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* [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts
@ 2017-11-16 22:08 Joseph Salisbury
  2017-11-17 14:09 ` Hannes Reinecke
  0 siblings, 1 reply; 4+ messages in thread
From: Joseph Salisbury @ 2017-11-16 22:08 UTC (permalink / raw)
  To: hch
  Cc: jejb, martin.petersen, hare, jthumshirn, bart.vanassche, bblock,
	linux-scsi, linux-kernel, jth, stable, gregkh, 1726519

Hi Christoph,

A kernel bug report was opened against Ubuntu [0].  After a kernel
bisect, it was found that reverting the following commit resolved this bug:

909657615d9b ("scsi: libsas: allow async aborts")

     
The regression was introduced as of v4.12-rc1, and it still exists in
4.14 mainline.

I was hoping to get your feedback, since you are the patch author.  Do
you think gathering any additional data will help diagnose this issue,
or would it be best to submit a revert request?

   
Thanks,
   
Joe

[0] http://pad.lv/1726519

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts
  2017-11-16 22:08 [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts Joseph Salisbury
@ 2017-11-17 14:09 ` Hannes Reinecke
  2017-12-05  8:57     ` Fabian Grünbichler
  0 siblings, 1 reply; 4+ messages in thread
From: Hannes Reinecke @ 2017-11-17 14:09 UTC (permalink / raw)
  To: Joseph Salisbury, hch
  Cc: jejb, martin.petersen, jthumshirn, bart.vanassche, bblock,
	linux-scsi, linux-kernel, jth, stable, gregkh, 1726519

On 11/16/2017 11:08 PM, Joseph Salisbury wrote:
> Hi Christoph,
> 
> A kernel bug report was opened against Ubuntu [0].  After a kernel
> bisect, it was found that reverting the following commit resolved this bug:
> 
> 909657615d9b ("scsi: libsas: allow async aborts")
> 
>      
> The regression was introduced as of v4.12-rc1, and it still exists in
> 4.14 mainline.
> 
> I was hoping to get your feedback, since you are the patch author.  Do
> you think gathering any additional data will help diagnose this issue,
> or would it be best to submit a revert request?
> 
I'll be checking what's going on there.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts
  2017-11-17 14:09 ` Hannes Reinecke
@ 2017-12-05  8:57     ` Fabian Grünbichler
  0 siblings, 0 replies; 4+ messages in thread
From: Fabian Grünbichler @ 2017-12-05  8:57 UTC (permalink / raw)
  To: Hannes Reinecke
  Cc: Joseph Salisbury, hch, jejb, martin.petersen, jthumshirn,
	bart.vanassche, bblock, linux-scsi, linux-kernel, jth, stable,
	gregkh

On Fri, Nov 17, 2017 at 03:09:37PM +0100, Hannes Reinecke wrote:
> On 11/16/2017 11:08 PM, Joseph Salisbury wrote:
> > Hi Christoph,
> > 
> > A kernel bug report was opened against Ubuntu [0].  After a kernel
> > bisect, it was found that reverting the following commit resolved this bug:
> > 
> > 909657615d9b ("scsi: libsas: allow async aborts")
> > 
> >      
> > The regression was introduced as of v4.12-rc1, and it still exists in
> > 4.14 mainline.
> > 
> > I was hoping to get your feedback, since you are the patch author.  Do
> > you think gathering any additional data will help diagnose this issue,
> > or would it be best to submit a revert request?
> > 
> I'll be checking what's going on there.
> 
> Cheers,
> 
> Hannes

Any news about this regression? Any traces / data affected users can
provide?

Thanks!

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts
@ 2017-12-05  8:57     ` Fabian Grünbichler
  0 siblings, 0 replies; 4+ messages in thread
From: Fabian Grünbichler @ 2017-12-05  8:57 UTC (permalink / raw)
  To: Hannes Reinecke
  Cc: Joseph Salisbury, hch, jejb, martin.petersen, jthumshirn,
	bart.vanassche, bblock, linux-scsi, linux-kernel, jth, stable,
	gregkh

On Fri, Nov 17, 2017 at 03:09:37PM +0100, Hannes Reinecke wrote:
> On 11/16/2017 11:08 PM, Joseph Salisbury wrote:
> > Hi Christoph,
> > 
> > A kernel bug report was opened against Ubuntu [0].� After a kernel
> > bisect, it was found that reverting the following commit resolved this bug:
> > 
> > 909657615d9b ("scsi: libsas: allow async aborts")
> > 
> > �����
> > The regression was introduced as of v4.12-rc1, and it still exists in
> > 4.14 mainline.
> > 
> > I was hoping to get your feedback, since you are the patch author.� Do
> > you think gathering any additional data will help diagnose this issue,
> > or would it be best to submit a revert request?
> > 
> I'll be checking what's going on there.
> 
> Cheers,
> 
> Hannes

Any news about this regression? Any traces / data affected users can
provide?

Thanks!

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-12-05  8:57 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-11-16 22:08 [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts Joseph Salisbury
2017-11-17 14:09 ` Hannes Reinecke
2017-12-05  8:57   ` Fabian Grünbichler
2017-12-05  8:57     ` Fabian Grünbichler

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