From: Chris Wilson <chris@chris-wilson.co.uk>
To: Pedro Ribeiro <pedrib@gmail.com>, intel-gfx@lists.freedesktop.org
Subject: Re: Errors while resuming from hibernate in 2.6.35-rc5
Date: Tue, 20 Jul 2010 08:31:49 +0100 [thread overview]
Message-ID: <89k83a$902cn2@azsmga001.ch.intel.com> (raw)
In-Reply-To: <AANLkTilxAUls2ShEGa5DU0AFe6E54tLwKW1ebtjK8TSP@mail.gmail.com>
On Tue, 20 Jul 2010 01:56:01 +0100, Pedro Ribeiro <pedrib@gmail.com> wrote:
> with kernel 2.6.35-rc5 I'm seeing a problem which happens every few
> hibernate/resume cycles.
> When I resume my computer, X is black (only the mouse cursor is
> visible) and the X server outputs a stack trace to the VT. Changing to
> the VT and back restores xorg correctly. dmesg says:
>
> [118132.523397] video LNXVIDEO:00: Restoring backlight state
> [118132.523808] render error detected, EIR: 0x00000010
> [118132.523811] IPEIR: 0x00000000
> [118132.523812] IPEHR: 0x00000000
> [118132.523814] INSTDONE: 0xfffffffe
> [118132.523815] INSTPS: 0x00000000
> [118132.523816] INSTDONE1: 0xffffffff
> [118132.523818] ACTHD: 0x02000000
> [118132.523819] page table error
> [118132.523821] PGTBL_ER: 0x00040000
> [118132.523823] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck:
> 0x00000010, masking
>
> This would not happen with 2.6.34. My hardware is a GM45.
>
> any idea what this might be?
Looks like we got the ordering wrong. My guess is that we enabled the
backlight controller whilst the pipe was turned off. Can you try and
capture the error/dmesg with drm.debug=0xf? Meanwhile, it's time to hit
the docs and see if they have any advice.
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2010-07-20 7:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 0:56 Errors while resuming from hibernate in 2.6.35-rc5 Pedro Ribeiro
2010-07-20 7:31 ` Chris Wilson [this message]
2010-07-22 0:26 ` Pedro Ribeiro
2010-07-22 1:14 ` Marc Deop i Argemí
2010-07-22 10:18 ` Pedro Ribeiro
2010-07-22 13:47 ` Marc Deop i Argemí
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