Re: [BUGFIX v2 0/4] fix bug 56531, 59501 and 59581

From: Alexander E. Patrakov
Date: Sun Jun 16 2013 - 23:28:04 EST

2013/6/16 Jiang Liu <liuj97@xxxxxxxxx>:
> On 06/15/2013 02:42 PM, Alexander E. Patrakov wrote:

>> Both cases work, and exhibit similar backtraces in dmesg. So I am
>> attaching a dmesg only from the first testcase. Please look for "INFO:
>> trying to register non-static key" and for "*ERROR* Memory manager not
>> clean. Delaying takedown". I understand that the second trace is
>> unrelated to this patchset, but would like you to fix the first.
> Hi Alexander,
> Great thanks for your testing!
> I have investigated the first issue but still have no idea about it.
> According to source code, everything should be OK.
> The r8169 driver has invoked INIT_WORK(&tp->, rtl_task) to
> initialize the work item, so it shouldn't trigger the warning.
> Have you found this issue in other test cases?

I am not 100% sure that the static key backtrace is the same in all
cases. However, I do remember that it does appear both in the
non-hotplug and hotplug cases.

I will retest this after work, i.e. in ~12 hours.

Alexander E. Patrakov
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