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SubjectRe: [regression 3.15-rc3] Resume from s4 broken by 1f81b6d22a5980955b01e08cf27fb745dc9b686f
From
Hmmm... very odd. I unfortunately don't have a machine that can easily
do S4 at hand, but I did test this on an IVB with XHCI_RESET_ON_RESUME
in S3 (essentially the same code path), and I didn't run into any
problems.

How exactly does your machine fail on resume? Is it a kernel crash or
just a hang? Can you try getting some debug output (by setting 'echo N
> /sys/module/printk/parameters/console_suspend' and trying to catch
the crash on the screen or a serial line, or maybe through pstore)? I
really don't see much that could go wrong with this patch, so without
more info it will be hard to understand your problem.

Also, I noticed that you have two HID devices plugged in during
suspend. Does it make a difference if you have different devices (e.g.
a mass storage stick) or none at all?


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