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

From: Justin P. Mattock
Date: Mon Jul 27 2009 - 15:54:01 EST


Jesse Barnes wrote:
On Mon, 27 Jul 2009 10:37:04 -0700
"Justin P. Mattock"<justinmattock@xxxxxxxxx> wrote:

Jesse Barnes wrote:
On Sun, 26 Jul 2009 21:12:49 -0400
Justin Mattock<justinmattock@xxxxxxxxx> 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).

Yeah that's probably just the i915 driver probing the outputs. It
shuts everything off to avoid showing any ugly load detect patterns or
flicker.

Alright,
Then that's pretty much everything, other than
a message that's been there, but now finally is showing itself.

Justin P. Mattock
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