From: Thomas Gleixner <tglx@linutronix.de>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andi Kleen <ak@suse.de>, Takashi Iwai <tiwai@suse.de>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.23-rc8-mm1, -rc7-mm1 kill audio on HP nx6325
Date: Tue, 25 Sep 2007 16:35:52 +0200 [thread overview]
Message-ID: <1190730952.17409.1.camel@chaos> (raw)
In-Reply-To: <200709251629.46493.rjw@sisk.pl>
On Tue, 2007-09-25 at 16:29 +0200, Rafael J. Wysocki wrote:
> > > lookup failed for 18446604438082158592
> > > [--snipped some USB messages--]
> > > ALSA /home/rafael/src/mm/linux-2.6.23-rc8-mm1/sound/pci/hda/hda_intel.c:1756: hda-intel: ioremap error: 2349334528 16384
> >
> > Stupid me, hex formatting would have been easier to read :)
> >
> > Lookup failed for 0xFFFF 8100 8C08 0000
> > ioremap: 0x0000 0000 8C08 0000 length 16384
> >
> > It seems, that this patch only reveals some other wreckage. The code is
> > called as part of ioremap, where it adjusts the caching attributes of
> > the mapping, which was setup right before change_page_attr_address() is
> > called.
>
> Hm, it looks like the first address is a kernel one and the second one is
> physical, so they apparently match, which means that the lookup shouldn't fail,
> if I understand this correctly.
Yes, the lookup address is virtual and it should be the one, which was
mapped right before the call to change_page_attr_address(). I'm looking
into that right now.
tglx
next prev parent reply other threads:[~2007-09-25 14:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-25 12:08 2.6.23-rc8-mm1, -rc7-mm1 kill audio on HP nx6325 Rafael J. Wysocki
2007-09-25 12:18 ` Thomas Gleixner
2007-09-25 13:20 ` Rafael J. Wysocki
2007-09-25 13:44 ` Thomas Gleixner
2007-09-25 14:29 ` Rafael J. Wysocki
2007-09-25 14:35 ` Thomas Gleixner [this message]
[not found] <200709251353.52723.rjw@sisk.pl>
2007-09-25 16:08 ` Andrew Morton
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