From: Michael Ellerman <michael@ellerman.id.au>
To: Dave C Boutcher <sleddog@us.ibm.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>,
Andrew Morton <akpm@osdl.org>,
linuxppc64-dev@ozlabs.org, paulus@au1.ibm.com, anton@au1.ibm.com,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: 2.6.15-mm4 failure on power5
Date: Wed, 18 Jan 2006 00:32:43 +1100 [thread overview]
Message-ID: <200601180032.46867.michael@ellerman.id.au> (raw)
In-Reply-To: <20060116215252.GA10538@cs.umn.edu>
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On Tue, 17 Jan 2006 08:52, Dave C Boutcher wrote:
> 2.6.15-mm4 won't boot on my power5 either. I tracked it down to the
> following mutex patch from Ingo: kernel-kernel-cpuc-to-mutexes.patch
>
> If I revert just that patch, mm4 boots fine. Its really not obvious to
> me at all why that patch is breaking things though...
My POWER5 (gr) LPAR seems to boot ok (3 times so far) with that patch, guess
it's something subtle. That's with CONFIG_DEBUG_MUTEXES=y. And it's just
booted once with CONFIG_DEBUG_MUTEXES=n.
And now it's booted the full mm4 patch set without blinking.
cheers
--
Michael Ellerman
IBM OzLabs
email: michael:ellerman.id.au
inmsg: mpe:jabber.org
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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next prev parent reply other threads:[~2006-01-17 13:40 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-16 6:35 2.6.15-mm4 failure on power5 Serge E. Hallyn
2006-01-16 7:05 ` Andrew Morton
2006-01-16 13:00 ` Michael Ellerman
2006-01-16 15:37 ` Serge E. Hallyn
2006-01-16 21:52 ` Dave C Boutcher
2006-01-17 1:09 ` Andrew Morton
2006-01-17 8:17 ` Ingo Molnar
2006-01-17 8:47 ` Andrew Morton
2006-01-17 16:52 ` Dave C Boutcher
2006-01-17 16:55 ` Dave C Boutcher
2006-01-18 6:40 ` Nathan Lynch
2006-01-18 7:07 ` Ingo Molnar
2006-01-18 7:53 ` Nathan Lynch
2006-01-18 8:08 ` Nathan Lynch
2006-01-17 12:22 ` Serge E. Hallyn
2006-01-17 13:32 ` Michael Ellerman [this message]
2006-01-17 14:00 ` Ingo Molnar
2006-01-18 0:19 ` Michael Ellerman
2006-01-18 3:32 ` Dave C Boutcher
2006-01-18 6:37 ` Ingo Molnar
2006-01-18 6:53 ` Andrew Morton
2006-01-18 7:04 ` Ingo Molnar
2006-01-18 7:28 ` Nathan Lynch
2006-01-18 7:37 ` Andrew Morton
2006-01-18 8:08 ` Ingo Molnar
2006-01-18 8:24 ` Andrew Morton
2006-01-18 9:02 ` [patch] work around ppc64 bootup bug by making mutex-debugging save/restore irqs Ingo Molnar
2006-01-18 9:18 ` [patch] turn on might_sleep() in early bootup code too Ingo Molnar
2006-01-18 10:35 ` Andrew Morton
2006-01-18 10:43 ` Ingo Molnar
2006-01-18 11:15 ` [patch] make bug messages more consistent Ingo Molnar
2006-01-19 4:39 ` [patch] turn on might_sleep() in early bootup code too Zwane Mwaikambo
2006-01-18 10:46 ` Nick Piggin
2006-01-18 11:07 ` Ingo Molnar
2006-01-18 12:53 ` [patch] add trylock_kernel() Ingo Molnar
2006-01-18 7:38 ` 2.6.15-mm4 failure on power5 Arjan van de Ven
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