linux-kernel - Re: [2.6.36-rc regression] occasional complete system hangs on sparc64 SMP

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Message-Id: <20100925.143403.226762219.davem@davemloft.net>
Date:	Sat, 25 Sep 2010 14:34:03 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mikpe@...uu.se
Cc:	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [2.6.36-rc regression] occasional complete system hangs on
 sparc64 SMP

From: Mikael Pettersson <mikpe@...uu.se>
Date: Sat, 25 Sep 2010 19:34:49 +0200

> Update: I got another hang with 2.6.36-rc5, then went back to
> 2.6.36-rc1 which hung twice.  SYSRQ would print help text and
> the name of the command but not print anything useful on the
> console.  Now trying some of the 2.6.35-git snapshots before -rc1.

If you can somehow coerce a SysRQ-y combo to work, that's
the most likely way to get the information necessary to
debug this.
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