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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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