Linus,
> But it does seem to be a new regression in 4.14, caused by commit
> 8a97712e5314 ("scsi: make 'state' device attribute pollable"), because
> that's what added the sysfs_notify() call to scsi_device_set_state(),
> which made that spinlock be a problem.
>
> That commit came in through the SCSI merge this merge window, and it
> seems to still revert cleanly.
>
> So I do suspect that by now we should just revert that commit. It's
> not clear why that state attribute should be pollable, and the new
> code is clearly very much buggy.
Yeah, let's revert it for now.
--
Martin K. Petersen Oracle Linux Engineering
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