[drm:init_ring_common] *ERROR* render ring head not reset to zero

From: Thomas Meyer
Date: Mon Oct 04 2010 - 16:33:17 EST


This happens in 2.6.36-rcX:

[ 0.523130] [drm] Initialized drm 1.1.0 20060810
[ 0.523159] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 0.523165] i915 0000:00:02.0: setting latency timer to 64
[ 0.555999] [drm] detected 63M stolen memory, trimming to 32M
[ 0.556065] i915 0000:00:02.0: irq 40 for MSI/MSI-X
[ 0.556077] [drm] set up 32M of stolen space
[ 0.556247] [drm:init_ring_common] *ERROR* render ring head not reset to zero ctl 00000000 head 02001000 tail 00000000 start 02001000
[ 0.556320] [drm:init_ring_common] *ERROR* render ring head forced to zero ctl 00000000 head 00000000 tail 00000000 start 02001000

Bug or feature?
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