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Re: [PATCH 0/5] PCM mmap (temporary) fixes for non-coherent archi

To: Takashi Iwai <>
Subject: Re: [PATCH 0/5] PCM mmap (temporary) fixes for non-coherent architectures
From: Andreas Mohr <>
Date: Fri, 1 Jan 2010 20:31:30 +0100
Cc:, Ralf Baechle <>, Wu Zhangjin <>, Thomas Bogendoerfer <>,, Benjamin Herrenschmidt <>, Kumar Gala <>, Becky Bruce <>
In-reply-to: <>
User-agent: Mutt/1.5.18 (2008-05-17)

I've tried this patch set (with the typo-corrected part 4) on my ASUS
WL-500gP v2 MIPSEL via a backport to, but all I get is a
small blip of the sound I wanted to play, and then the system is fubar
(I believe just the same thing as what happened without having this patch

Probably I'm dense and the patch is ARM-only, or my MIPSEL has incorrect
cache coherency versus this patch set, or the backport failed due to
missing requirements or conflicts.

Attached are two crash logs.

Any ideas?

Would be nice to see this resolved as well, since I now _finally_ have a
working consterna^Wconstellation (netconsole, boot, USB host, USB serial)
with my patched-up build.


Andreas Mohr

Attachment: usb_audio_crash_after_patches.log
Description: Text document

Attachment: usb_audio_crash_after_patches_2.log
Description: Text document

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