[Bug 89954] Dota2 crashes computer while playing when probably loading new particles

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89954

            Bug ID: 89954
           Summary: Dota2 crashes computer while playing when probably
                    loading new particles
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: dogmadefe at hotmail.com
        QA Contact: dri-devel at lists.freedesktop.org

It's been happening during the last month or so, around the first big team
clash, when the ultis are used, the computer freezes for like 5 seconds, and
then reboots. Before this, the computer used to freeze during the first clash,
but it recovered. Before that, I played Dota2 for a lot of months without any
problem. I have an FX6100 and HD7770. I use the open source drivers.

Checking the error out log, I get something like this:

Apr 06 21:39:24 arch gdm-Xorg-:0[307]: (WW) RADEON(0): flip queue failed:
Device or resource busy
Apr 06 21:39:24 arch gdm-Xorg-:0[307]: (WW) RADEON(0): Page flip failed: Device
or resource busy
Apr 06 21:40:21 arch steam.desktop[6478]: [2015-04-0Installing breakpad
exception handler for appid(steam)/version(1424305157)
Apr 06 21:40:22 arch steam.desktop[6478]: Installing breakpad exception handler
for appid(steam)/version(1424305157)
Apr 06 21:40:23 arch steam.desktop[6478]: Installing breakpad exception handler
for appid(steam)/version(1424305157)
Apr 06 21:48:08 arch gdm-Xorg-:0[307]: (WW) RADEON(0):
radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc
331918 < target_msc 331919
Apr 06 21:51:52 arch kernel: radeon 0000:01:00.0: GPU fault detected: 147
0x000c0401
Apr 06 21:51:52 arch kernel: radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0FF80000
Apr 06 21:51:52 arch kernel: radeon 0000:01:00.0:  
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0C004001
Apr 06 21:51:52 arch kernel: VM fault (0x01, vmid 6) at page 267911168, read
from TC (4)
Apr 06 21:52:02 arch kernel: radeon 0000:01:00.0: ring 4 stalled for more than
10083msec
Apr 06 21:52:02 arch kernel: radeon 0000:01:00.0: GPU lockup (current fence id
0x0000000000028b69 last fence id 0x0000000000028b6e on ring 4)
Apr 06 21:52:03 arch kernel: radeon 0000:01:00.0: Saved 652 dwords of commands
on ring 0.
Apr 06 21:52:03 arch kernel: radeon 0000:01:00.0: GPU softreset: 0x000000ED
Apr 06 21:52:03 arch kernel: radeon 0000:01:00.0:   GRBM_STATUS               =
0xE65E4028
Apr 06 21:52:03 arch kernel: radeon 0000:01:00.0:   GRBM_STATUS_SE0           =
0xCF800000
Apr 06 21:52:03 arch kernel: radeon 0000:01:00.0:   GRBM_STATUS_SE1           =
0x00000006

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