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Date: Fri, 22 Aug 2014 07:58:24 +0100
From: Jamie Griffin <griffin8j@gmail.com>
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To: FreeBSD Questions <freebsd-questions@freebsd.org>
Subject: dmesg drm error
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Hi everyone,

I discovered this error in dmesg this morning and i'm not sure what it 
means:

info: [drm] capturing error event; look for more information in sysctl 
hw.dri.0.info.i915_error_state
i915: render error detected, EIR: 0x00000010
   IPEIR: 0x00000000
   IPEHR: 0x01000000
   INSTDONE: 0xfffffffe
   INSTPS: 0x0001e000
   INSTDONE1: 0xffffffff
   ACTHD: 0x0320ba08
page table error
   PGTBL_ER: 0x00000002
error: [drm:pid12:i915_report_and_clear_eir] *ERROR* EIR stuck: 
0x00000010, masking

Does anyone know what this is and what I should/could do to fix it?

This system is FreeBSD 10-STABLE r269787 amd64