[Bug 61477] [965g] batch corruption, clflush?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61477

--- Comment #6 from Norman Yarvin <yarvin at yarchive.net> ---
I just hit the bug again.  I didn't see anything that looked like an assertion
triggering, just this (in both stderr and Xorg.0.log):

(EE) [mi] EQ overflowing.  Additional events will be discarded until existing
events are processed.
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x34) [0x597174]
(EE) 1: /usr/bin/X (mieqEnqueue+0x263) [0x577ad3]
(EE) 2: /usr/bin/X (0x400000+0x4fe84) [0x44fe84]
(EE) 3: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7fc0fdb9b000+0x6208)
[0x7fc0fdba1208]
(EE) 4: /usr/bin/X (0x400000+0x7a707) [0x47a707]
(EE) 5: /usr/bin/X (0x400000+0xa57e7) [0x4a57e7]
(EE) 6: /lib64/libpthread.so.0 (0x36aaa00000+0x10b80) [0x36aaa10b80]
(EE) 7: /lib64/libc.so.6 (ioctl+0x7) [0x36aa2e3b07]
(EE) 8: /usr/lib64/libdrm.so.2 (drmIoctl+0x28) [0x39262040f8]
(EE) 9: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fc0ff8d6000+0x1be30)
[0x7fc0ff8f1e30]
(EE) 10: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fc0ff8d6000+0x1d5f7)
[0x7fc0ff8f35f7]
(EE) 11: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fc0ff8d6000+0x4ee5d)
[0x7fc0ff924e5d]
(EE) 12: /usr/bin/X (BlockHandler+0x44) [0x43f374]
(EE) 13: /usr/bin/X (WaitForSomething+0x11d) [0x59463d]
(EE) 14: /usr/bin/X (0x400000+0x3af32) [0x43af32]
(EE) 15: /usr/bin/X (0x400000+0x29cba) [0x429cba]
(EE) 16: /lib64/libc.so.6 (__libc_start_main+0xed) [0x36aa22491d]
(EE) 17: /usr/bin/X (0x400000+0x2a011) [0x42a011]
(EE) 
(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up
the stack.
(EE) [mi] mieq is *NOT* the cause.  It is a victim.

repeated several times with "overflow continuing".

Sorry, I neglected to save i915_error_state this time.

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