linux-kernel - 2.6.38-rc7: Some strange soft-lockup

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Date:	Sun, 6 Mar 2011 16:01:04 +0200
From:	Dmitry Nezhevenko <dion@...ex.net>
To:	linux-kernel@...r.kernel.org
Subject: 2.6.38-rc7: Some strange soft-lockup

Hi,

I've got some strange soft lockup on my laptop using 2.6.38-rc7. Basically
every command that plays with processes freezes. For example "top" and
"pidof".

In this state I'm able to do some other stuff like browse web with FF.
However laptop don't detect power supply plug/unplug.

I'm attaching output of Alt-SysRq+W and Alt-SysRQ+L.

I don't know, what is this and how to reproduce it. So maybe it will help
somebody

-- 
WBR, Dmitry

View attachment "backtrace_cpu.txt" of type "text/plain" (19923 bytes)

View attachment "blocked.txt" of type "text/plain" (38284 bytes)