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Date: Wed, 18 Apr 2012 09:58:15 -0400
From: Dave Jones <davej@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [3.4-rc3] Thread overran stack, or stack corrupted
Message-ID: <20120418135815.GA10798@redhat.com>
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	Steven Rostedt <rostedt@goodmis.org>,
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References: <CA+55aFy-uhOgEoEBr-LkOjFQBVh14wwr-20jTrtsg_2EnuNY5g@mail.gmail.com>
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On Wed, Apr 18, 2012 at 12:09:24AM -0400, Steven Rostedt wrote:
 > On Wed, 2012-04-18 at 00:06 -0400, Dave Jones wrote:
 > 
 > > That just prints out..
 > > 
 > > # tracer: function
 > > #
 > > # entries-in-buffer/entries-written: 0/0   #P:4
 > > #
 > > #                              _-----=> irqs-off
 > > #                             / _----=> need-resched
 > > #                            | / _---=> hardirq/softirq
 > > #                            || / _--=> preempt-depth
 > > #                            ||| /     delay
 > > #           TASK-PID   CPU#  ||||    TIMESTAMP  FUNCTION
 > > #              | |       |   ||||       |         |
 > > 
 > >  > I'm also assuming you have CONFIG_STACKTRACE and
 > >  > CONFIG_STACKTRACE_SUPPORT enabled. They should be selected, but configs
 > >  > can always get screwed up.
 > > 
 > > CONFIG_STACKTRACE_SUPPORT=y
 > > CONFIG_STACKTRACE=y
 > > 
 > 
 > OK, function tracing is broken on your box. Could you send me your full
 > config and I'll take a look at it tomorrow. Bed time for me now ;-)

http://fpaste.org/b8PN/raw/

	Dave