Re: [PATCH] Avoid that a kernel warning appears during system resume

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Hi Bart.

Bart Van Assche - 16.03.19, 22:28:
> On 3/16/19 3:43 AM, Martin Steigerwald wrote:
> > Bart Van Assche - 16.03.19, 00:27:
> >> Since scsi_device_quiesce() skips SCSI devices that have another
> >> state than RUNNING, OFFLINE or TRANSPORT_OFFLINE,
> >> scsi_device_resume() should not complain about SCSI devices that
> >> have been skipped. Hence this patch. This patch avoids that the
> >> following warning appears> 
> >> during resume:
> > Am I on CC cause one of those warnings appeared in bug reports from
> > me from quite some time ago?
[…]
> That's correct. I hope that you don't mind that I cc'ed you?

No, I don't mind.

Would you like me to apply the patch in order to test it? As it is just 
about suppressing a kernel warning and not changing any major 
functionality, I wondered whether you like me to do with this or whether 
the CC is more JFYI.

> >> WARNING: CPU: 3 PID: 1039 at blk_clear_pm_only+0x2a/0x30
> >> CPU: 3 PID: 1039 Comm: kworker/u8:49 Not tainted 5.0.0+ #1
> >> Hardware name: LENOVO 4180F42/4180F42, BIOS 83ET75WW (1.45 )
> > 
> > This at least does not appear to be this ThinkPad T520, as I have
> > BIOS version 1.49 already.
> 
> The call trace in the patch description is only an example. I think
> the problem description and the patch applies to all systems that
> have one or more SCSI disks.

Best,
-- 
Martin





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