Bug 15319 - [BUG]: Possibe recursive locking detected in sysfs
Summary: [BUG]: Possibe recursive locking detected in sysfs
Alias: None
Product: ACPI
Classification: Unclassified
Component: Power-Processor (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Zhang Rui
Depends on:
Blocks: 14885
  Show dependency tree
Reported: 2010-02-15 19:39 UTC by Maciej Rutecki
Modified: 2010-03-22 08:01 UTC (History)
5 users (show)

See Also:
Kernel Version: 2.6.33-rc7
Regression: No
Bisected commit-id:


Description Maciej Rutecki 2010-02-15 19:39:35 UTC
Subject    : [BUG]: Possibe recursive locking detected in sysfs
Submitter  : John Kacur <jkacur@redhat.com>
Date       : 2010-02-11 17:11
Message-ID : 520f0cf11002110911t3f125649v73062e9851e2cfb3@mail.gmail.com
References : http://marc.info/?l=linux-kernel&m=126590832432598&w=2
Handled-By : Eric Biederman <ebiederm@aristanetworks.com>

This entry is being used for tracking a regression from 2.6.32.  Please don't
close it until the problem is fixed in the mainline.
Comment 1 Zhang Rui 2010-03-12 06:50:36 UTC
the "Possible recursive locking detected in sysfs" issue has been fixed by the patch in this thread http://lkml.org/lkml/2010/2/11/329


> This is still present in 2.6.33-rc8.
> I can trigger it every time. I have T500 laptop, the trick is to boot
> it up without plugging it in, so it is working on battery power, and
> then to shut the lid.
> first you get the message from above, and then it does a few more
> things before it freezes and I have to hard reboot it.
> The above problem does not occur if I have the laptop plugged into the wall.

please kill acpid before closing the lid and verify if the hang still exists.
Comment 2 Zhang Rui 2010-03-18 06:39:51 UTC

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