[Intel-gfx] 915GM: render error detected, EIR: 0x00000010

[Paul Menzel]

Dear graphics folks,


Am Montag, den 25.07.2011, 22:33 +0200 schrieb Paul Menzel:

> using `linux-image-3.0.0-1-686-pae` from Debian Sid/unstable I noticed
> the following message in `dmesg`.
> 
>         [   76.292185] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
>         [   76.294236] render error detected, EIR: 0x00000010
>         [   76.294246] page table error
>         [   76.294251]   PGTBL_ER: 0x00000010
>         [   76.294264] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking
>         [   76.294298] render error detected, EIR: 0x00000010
>         [   76.294304] page table error
>         [   76.294309]   PGTBL_ER: 0x00000010
> 
> I just booted, GDM was started, I started the window manager and opened
> a terminal.
> 
> I mounted the debug filesystem as documented in [1] (after the message
> had appeared in `dmesg`) and just copied the
> `/debug/dri/0/i915_error_state` to the attached file.
> 
> The device is an ASUS EeePC 701 4G [2].
> 
> Searching for that error message on the Web gives several hits
> suggesting this error has been there for a long time [3] but is supposed
> to be fixed since 2.6.33 and also 2.6.32 stable. I will try to find out
> if I can find it in the system logs with earlier Linux kernels.

I found such messages also with Linux kernel 2.6.39.

        [  114.355954] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
        [  114.356015] render error detected, EIR: 0x00000010
        [  114.356015] page table error
        [  114.356015]   PGTBL_ER: 0x00000010
        [  114.356015] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking
        [  114.356015] render error detected, EIR: 0x00000010
        [  114.356015] page table error
        [  114.356015]   PGTBL_ER: 0x00000010

> Other information I found on the Web with the same error message are [4–
> 7] where some of them suggest that this is an error which got fixed
> again and again.

Please tell me, if that is a know problem and if you want me to submit a
report/ticket to the bug tracker.


Thanks,

Paul


> [1] http://intellinuxgraphics.org/intel-gpu-dump.html
> [2] https://secure.wikimedia.org/wikipedia/en/wiki/ASUS_Eee_PC#Specifications
> [3] https://bugzilla.kernel.org/show_bug.cgi?id=15502
> [4] http://lkml.indiana.edu/hypermail/linux/kernel/1005.1/02637.html
> [5] https://bugs.archlinux.org/task/22781
> [6] http://us.generation-nt.com/answer/2-6-36-rc5-i915-regression-help-200514811.html
> [7] http://www.devheads.net/linux/ubuntu/user/t43-login-render-error-detected-eir-0x00000010-page-table-error-pgtbl-er-0x000000100-drm915-handle-e.htm
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