Re: 4.13 breaks suspend to ram wakeup

From: Norbert Preining
Date: Wed Sep 20 2017 - 21:57:09 EST


Hi Ming,

> So could you share us how often it is triggered? and what is your underlying
> disk behind dm-crypt?

It is triggered *every* time I suspend.
Underlying disk is
scsi 1:0:0:0: Direct-Access ATA WDC WD10JPVX-08J 1A07 PQ: 0 ANSI: 5

I checked the values in
/sys/block/dm-?/dm/use_blk_mq
and they are all set to 0.

> BTW, you can debug and collect some dmesg log during system suspend/resume
> without serial console:

I will try that tonight, now I am at work.

> Please get the patches backported to v4.13 in the following tree:

Thanks

Norbert

--
PREINING Norbert http://www.preining.info
Accelia Inc. + JAIST + TeX Live + Debian Developer
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