[Bug 217914] scsi_eh_1 process high cpu after upgrading to 6.5

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=217914

--- Comment #2 from loberman@redhat.com ---
On Fri, 2023-09-15 at 13:42 -0700, Bart Van Assche wrote:
> On 9/15/23 12:33, bugzilla-daemon@kernel.org wrote:
> > The users loqs and leonshaw helped to narrow it down to this
> > commit:
> > 
> >
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=624885209f31eb9985bf51abe204ecbffe2fdeea
> 
> Damien, can you please take a look?
> 
> Thanks,
> 
> Bart.
> 
I had a quick look at this and its not making sense. The only calls I
see are in the scan when the devices is added and in the re-scan.
It should not be consuming the scsi_eh thread unless some type of udev
events keeps happening.

Would be good to get some
cat /proc/<PID>/stack of the scsi_eh threads if they are constantly
consuming CPUY

I will try reproduce and try figure out what is going on here.

Thanks
Laurence

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