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SubjectRe: I/O hangs after resuming from suspend-to-ram
Hello.

Addressing your questions below.

> Can't reproduce even with putting dmcypt on raid10 after applying my
> patch.

Just a side note, that dm-crypt is not necessary here — I am able to
trigger hang with RAID10 and LVM only.

> BTW, could you share us which blk-mq scheduler you are using on sata?

Okay, now it makes sense. Previously, without your patch I was able to
reproduce the issue with "mq-deadline", "bfq" and "none". Now, I cannot
trigger it with "none" set, but "mq-deadline" still hangs for me. Does
this mean each scheduler should be modified separately?

> Could you apply the following debug patch and provide the dmesg log
> after running the commands below?

Is it still relevant since I confirm issue to be fixed with "none"?

Thanks.

30.08.2017 07:17, Ming Lei написав:
> …SNIP…
> Can't reproduce even with putting dmcypt on raid10 after applying
> my patch.
> …SNIP…

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