[Bug 82340] [HSW Bisected] Fail to resume from S4, causing system hang (once out of 5 test circles)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82340

--- Comment #13 from yaoming <ming.yao at intel.com> ---
(In reply to comment #12)
> Could you try the following branch:
> https://github.com/ideak/linux/commits/suspend-fix
> 
> Also could you get a serial console log when the hang happens (preferably
> from an RS232 port, or if that's not available via a USB->serial adapter)?
> See Documentation/serial-console.txt to set things up.
> 
> Also make sure you have enabled the following kconfig options:
> CONFIG_LOCKUP_DETECTOR=y
> CONFIG_HARDLOCKUP_DETECTOR=y
> CONFIG_DETECT_HUNG_TASK=y
> 
> and pass the 'debug', 'no_console_suspend' kernel parameters.


I tested the branch you gave, still caused system hang.
I am sorry I can't get log from a serial console, because the test machine has
no RS232 port available.

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