[Bug 75992] Display freezes & corruption with an r7 260x on 3.14-rc6

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75992

--- Comment #24 from Ed Tomlinson <edt at aei.ca> ---
Just to see what happens with the latest drm fixes I built linux from git
(last commit 4ba85265790ba3681deeaf73f018c0eb829a7341).  I am still seeing
corruptions and eventually get stalls.  Lots of 

Apr 10 14:17:11 localhost kernel: [ 2390.829175] VM fault (0x00, vmid 0) at
page 0, read from '' (0x00000000) (0)
Apr 10 14:17:11 localhost kernel: [ 2390.829178] radeon 0000:01:00.0: GPU fault
detected: 147 0x049a4408
Apr 10 14:17:11 localhost kernel: [ 2390.829179] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x00000000
Apr 10 14:17:11 localhost kernel: [ 2390.829180] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000

with a few like (maybe one for every 100 of the one above):

Apr 10 14:17:11 localhost kernel: [ 2390.828639] VM fault (0x08, vmid 13) at
page 0, read from 'TC3' (0x54433300) (68)
Apr 10 14:17:11 localhost kernel: [ 2390.828642] radeon 0000:01:00.0: GPU fault
detected: 147 0x049a0408
Apr 10 14:17:11 localhost kernel: [ 2390.828643] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x00000000
Apr 10 14:17:11 localhost kernel: [ 2390.828644] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x1A008008

or

Apr 10 14:17:11 localhost kernel: [ 2390.805747] VM fault (0x08, vmid 13) at
page 31524, read from 'TC2' (0x54433200) (72)
Apr 10 14:17:11 localhost kernel: [ 2390.805749] radeon 0000:01:00.0: GPU fault
detected: 147 0x049a4808
Apr 10 14:17:11 localhost kernel: [ 2390.805749] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x00000000
Apr 10 14:17:11 localhost kernel: [ 2390.805750] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000

or

Apr 10 13:42:44 localhost kernel: [  321.759360] VM fault (0x04, vmid 1) at
page 29021, read from 'TC3' (0x54433300) (68)
Apr 10 13:42:44 localhost kernel: [  321.759362] radeon 0000:01:00.0: GPU fault
detected: 146 0x0ba20404
Apr 10 13:42:44 localhost kernel: [  321.759363] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x00000000
Apr 10 13:42:44 localhost kernel: [  321.759363] radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000

interposed between the much more common message above.

These error happen with and without hyperz enabled
( via the following in .xinitrc
 export R600_HYPERZ=0
 export R600_DEBUG=nohyperz )

This is with ddx, glamor, mesa built from todays git (13:30 or so EDT)

Once I can get xorg rc to build with builtin glamor I'll try with it too.

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