linux-kernel - Re: 4.13 breaks suspend to ram wakeup

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Message-ID: <20170921015657.62okkbft6es3o7c2@burischnitzel.preining.info>
Date:   Thu, 21 Sep 2017 10:56:57 +0900
From:   Norbert Preining <preining@...ic.at>
To:     Ming Lei <tom.leiming@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 4.13 breaks suspend to ram wakeup

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
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