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

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Message-ID: <4A6DE5C0.4000607@gmail.com>
Date:	Mon, 27 Jul 2009 10:37:04 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [drm:i915_driver_irq_handler] *ERROR* EIR stuck: 0x00000010,
 masking

Jesse Barnes wrote:
> 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. :)
>
>    
Seems harmless to me, one thing I see is
during the boot process Ill see the boot messages, then once
init/udev starts up, and loads i915 the screen will go black
for a tenth or so of a second, then goes back to normal. Now keep in mind
this might be something suse does during the boot process.
(I can try loading ubuntu/debian to see if the affects are the same
once I get a chance).

Justin P. Mattock
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