linux-kernel - [BUG] fault while using perf callchains in sparc64

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Message-ID: <20100328043446.GA11748@nowhere>
Date:	Sun, 28 Mar 2010 06:34:49 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	SparcLinux <sparclinux@...r.kernel.org>
Subject: [BUG] fault while using perf callchains in sparc64

Hi,

I get kernel crashes each time I use perf with callchains
on sparc 64.

It triggers with a simple:

	perf record -a -f -g sleep 1


I'm attaching two different crashlogs, as it seem to happen
randomly, and also my config.

Tell me everything else you need.

Thanks.

View attachment "crashlog1" of type "text/plain" (5720 bytes)

View attachment "crashlog2" of type "text/plain" (37054 bytes)

View attachment "sparc-config" of type "text/plain" (38045 bytes)