From: Arnd Bergmann <arnd@arndb.de>
To: Geoff Levand <geoffrey.levand@am.sony.com>
Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
Roland McGrath <roland@redhat.com>,
Jan Kratochvil <jan.kratochvil@redhat.com>
Subject: Re: PPC upstream kernel ignored DABR bug
Date: Thu, 29 Nov 2007 01:13:28 +0100 [thread overview]
Message-ID: <200711290113.29024.arnd@arndb.de> (raw)
In-Reply-To: <474DF2D8.9010407@am.sony.com>
On Wednesday 28 November 2007 23:59:36 Geoff Levand wrote:
> > This sounds like a bug recently reported by Uli Weigand. BenH
> > said he'd take a look, but it probably fell under the table.
> > The problem found by Uli is that on certain processors (Cell/B.E.
> > in his case), the DABRX register needs to be set in order for
> > the DABR to take effect.
>
> Just as a note, the PS3's lv1_set_dabr(), which we used for
> ppc_md.set_dabr sets up both the DABRX and DABR registers.
Yes, I know. I tried it on the PS3 first and couldn't reproduce
the bug he saw on the blade.
Arnd <><
next prev parent reply other threads:[~2007-11-29 0:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-26 22:02 PPC upstream kernel ignored DABR bug Jan Kratochvil
2007-11-27 22:35 ` Arnd Bergmann
2007-11-28 8:59 ` Jan Kratochvil
2007-11-28 12:28 ` Arnd Bergmann
2007-11-28 12:45 ` Jan Kratochvil
2007-11-28 22:59 ` Geoff Levand
2007-11-29 0:13 ` Arnd Bergmann [this message]
2008-03-10 0:53 ` Luis Machado
2008-03-10 14:01 ` Jens Osterkamp
2008-03-10 15:13 ` Luis Machado
2008-03-10 19:19 ` Roland McGrath
2008-03-10 19:36 ` Luis Machado
2008-03-10 19:50 ` Olof Johansson
2008-03-10 19:54 ` Roland McGrath
2008-03-10 22:06 ` Segher Boessenkool
2008-03-12 17:51 ` Luis Machado
2008-03-12 22:30 ` Jens Osterkamp
2008-03-13 1:47 ` Roland McGrath
2008-03-13 22:20 ` Segher Boessenkool
2008-03-13 22:42 ` Roland McGrath
2008-03-14 2:11 ` Segher Boessenkool
2008-03-14 7:45 ` Roland McGrath
2008-03-14 8:42 ` Segher Boessenkool
2008-03-16 20:38 ` Benjamin Herrenschmidt
2008-03-16 20:37 ` Benjamin Herrenschmidt
2008-03-26 20:57 ` Josh Boyer
2008-03-27 1:47 ` Josh Boyer
2008-03-13 13:13 ` Luis Machado
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