[Bug 216766] USB enumeration lockup

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=216766

--- Comment #9 from Jan Burgmeier (jan.burgmeier@gmx.de) ---
Hi Matthias,

thanks for your feedback. You are right I have also 2 Monitors connected to the
docking station.

I enabled the logging and tried to reproduce the error. The behavior seems to
be a bit different, the error seems to happen a bit less but after resuming
when reconnecting the docking station I need to connect it twice on the first
connect the monitors are not recognized.

After some tries I was able to reproduce the error, multiple suspend and
resumes where needed, it seems that a longer suspend time increases the chance
to get the error:
>> https://bugzilla.kernel.org/attachment.cgi?id=303361

I had also one try which was even weirder, where the system seemed not to go
into suspend because the backlight stayed on but after ?resume? the error
occurred:
>> https://bugzilla.kernel.org/attachment.cgi?id=303360

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