linux-kernel - Re: [drm:i915_driver_irq_handler] *ERROR* EIR stuck: 0x00000010, masking

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Message-ID: <20090727101524.778c83ab@jbarnes-g45>
Date:	Mon, 27 Jul 2009 10:15:24 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Justin Mattock <justinmattock@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [drm:i915_driver_irq_handler] *ERROR* EIR stuck: 0x00000010,
 masking

On Sun, 26 Jul 2009 21:12:49 -0400
Justin Mattock <justinmattock@...il.com> wrote:

> to my surprise this machine still works...
> (dell inspiron 1200)
> Anyways in dmesg I see:
> 
> [   10.188083] b43-pci-bridge 0000:03:00.0: setting latency timer to
> 64 [   10.191947] ssb: Sonics Silicon Backplane found on PCI device
> 0000:03:00.0 [   10.220248] fb: conflicting fb hw usage inteldrmfb vs
> VESA VGA - removing generic driver
> [   10.222343] Console: switching to colour dummy device 80x25
> [   10.225625] Console: switching to colour frame buffer device 128x48
> [   10.278714] render error detected, EIR: 0x00000010
> [   10.278717] page table error
> [   10.278720]   PGTBL_ER: 0x00000100
> [   10.278725] [drm:i915_driver_irq_handler] *ERROR* EIR stuck:
> 0x00000010, masking
> [   10.278742] render error detected, EIR: 0x00000010
> [   10.278745] page table error
> [   10.278747]   PGTBL_ER: 0x00000100
> [   10.290087] [drm] LVDS-8: set mode 1024x768 c
> [   10.640403] [drm] fb0: inteldrmfb frame buffer device
> [   10.640597] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0
> on minor 0 [   10.679818] b43-phy0: Broadcom 4306 WLAN found (core
> revision 5)
> 
> direct rendering still seems to be intact,
> suspend not sure(test in a moment).

Sounds like a dupe of the issue Frans reported.  We report errors like
this now rather than silently ignoring them.  This one must be harmless
or your machine wouldn't ever have worked. :)

-- 
Jesse Barnes, Intel Open Source Technology Center
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