[Bug 112206] Got GPU crash while resizing terminals window

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112206

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
Some pixel data was blitted into the middle of the batch: 0x00843000 -
0x008431a0. That the initial byte is page aligned makes me suspicious of a TLB
error.

Earlier, we have

0x0083d18c:      0x54300804: XY_COLOR_BLT (rgb enabled, alpha enabled, src tile 
0, dst tile 1)
0x0083d190:      0x03f00480:    format 8888, pitch 1152, rop 0xf0, clipping
disa
bled,  
0x0083d194:      0x00000000:    (0,0)
0x0083d198:      0x03250446:    (1094,805)
0x0083d19c:      0x07529000:    offset 0x07529000
0x0083d1a0:      0xfff6f5f4:    color

as the only thing blitting with 0xfff6f5f4; which would fill
0x07529000 - 0x79f8e00 so not overlapping with the dead zone in the batch. None
of the 3DSTATE overlaps the batch. It could have been a result of an earlier
batch that we don't capture; but atm TLB is my prime suspect.

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