From: Matthew Wilcox <matthew@wil.cx>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Subject: Re: [BUG] 2.6.25-rc5-mm1 kernel panic with "Exception: 501 " on powerpc
Date: Wed, 12 Mar 2008 11:51:02 -0600 [thread overview]
Message-ID: <20080312175102.GC613@parisc-linux.org> (raw)
In-Reply-To: <20080312104645.34e58319.akpm@linux-foundation.org>
On Wed, Mar 12, 2008 at 10:46:45AM -0700, Andrew Morton wrote:
> On Wed, 12 Mar 2008 18:25:37 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
> Beats me. Maybe we're still enabling interrupts too early. But the new
> semaphore code got fixed (didn't it?)
On the 7th, according to my records. Easy to check -- look in
kernel/semaphore.c and see whether down() is using spin_lock_irqsave
(good) or spin_lock_irq (bad).
--
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
next prev parent reply other threads:[~2008-03-12 17:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080311011434.ad8c8d7d.akpm@linux-foundation.org>
2008-03-12 12:55 ` [BUG] 2.6.25-rc5-mm1 kernel panic with "Exception: 501 " on powerpc Kamalesh Babulal
2008-03-12 17:46 ` Andrew Morton
2008-03-12 17:51 ` Matthew Wilcox [this message]
2008-03-12 22:26 ` Michael Ellerman
2008-03-12 22:33 ` Matthew Wilcox
2008-03-13 13:02 ` Kamalesh Babulal
2008-03-12 20:40 ` Benjamin Herrenschmidt
2008-03-12 18:14 ` Badari Pulavarty
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