From: Benjamin Herrenschmidt <benh@kernel•crashing.org>
To: Rune Torgersen <runet@innovsys•com>
Cc: linuxppc-dev@ozlabs•org, linux-ide@vger•kernel.org
Subject: Re: locking problem in sata_sil24?
Date: Tue, 04 Mar 2008 09:37:46 +1100 [thread overview]
Message-ID: <1204583866.21545.31.camel@pasglop> (raw)
In-Reply-To: <DCEAAC0833DD314AB0B58112AD99B93B0410A524@ismail.innsys.innovsys.com>
On Mon, 2008-03-03 at 16:10 -0600, Rune Torgersen wrote:
> Hi I am trying to get PREEMPT_RT pach to wokr on my 2.6.24 kernel, but
> kept gettign a BUG() (kernel BUG at kernel/rtmutex.c:692).
> While tryiong to figure out what it was, I saw some mention of trying
> LOCKDEP to see what is going on, so I patched my -rt1 kernel with some
> lockdep patches from BenH.
>
> Now I get an "inconsistent locking state", but I need help in trying to
> fiure out what I should look for.
> kernel is fo an Freescale 8280 and the locking seems to occur in the
> driver for a Silicon Image SII3124 SATA disk driver
What core is in the 8280 ? At this stage, I wouldn't rule out a bug in
the lockdep patches, I need to do more work on them.
Cheers,
Ben.
next prev parent reply other threads:[~2008-03-03 22:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-03 22:10 locking problem in sata_sil24? Rune Torgersen
2008-03-03 22:37 ` Benjamin Herrenschmidt [this message]
2008-03-03 22:44 ` Rune Torgersen
2008-03-03 22:58 ` Benjamin Herrenschmidt
2008-03-03 23:13 ` Rune Torgersen
2008-03-03 23:28 ` Johannes Berg
2008-03-04 14:39 ` Rune Torgersen
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