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 GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13