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SubjectRe: [drm:i915_driver_irq_handler] *ERROR* EIR stuck: 0x00000010, masking
On Mon, 27 Jul 2009 10:37:04 -0700
"Justin P. Mattock" <justinmattock@gmail.com> wrote:

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

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.

--
Jesse Barnes, Intel Open Source Technology Center


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