[Bug 91268] R6xx freezes with kernel 3.17 and up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91268

Fedja Beader <fedja.beader at t-2.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fedja.beader at t-2.net

--- Comment #20 from Fedja Beader <fedja.beader at t-2.net> ---
This patch seems (for 1h now) to work on 4.0.8 + Gentoo + grsecurity

For me, the screen froze with the graphics still visible. Additionally, the
game was still running in the background (heard sounds and spewed errors in
console) and I had full ssh access. In another game the screen turned black and
white +something that looked like missing textures, but I could still interact
with it.

Happened on both 3.18.9 + Gentoo + grsecurity and above mentioned 4.0.8
mesa is at 10.3

lspci:
VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV620/M82
[Mobility Radeon HD 3450/3470]


[ 3936.443037] radeon 0000:01:00.0: ring 0 stalled for more than 10273msec
[ 3936.443046] radeon 0000:01:00.0: GPU lockup (current fence id
0x0000000000050ded last fence id 0x0000000000050df3 on ring 0)
[ 3936.450174] radeon 0000:01:00.0: Saved 185 dwords of commands on ring 0.
[ 3936.450191] radeon 0000:01:00.0: GPU softreset: 0x00000008
[ 3936.450197] radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
[ 3936.450202] radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
[ 3936.450207] radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200000C0
[ 3936.450212] radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[ 3936.450216] radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[ 3936.450221] radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00020186
[ 3936.450226] radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80028645
[ 3936.450231] radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[ 3936.501715] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00004001
[ 3936.501773] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100
[ 3936.503883] radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
[ 3936.503888] radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
[ 3936.503893] radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200080C0
[ 3936.503898] radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[ 3936.503903] radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[ 3936.503907] radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
[ 3936.503912] radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80100000
[ 3936.503917] radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[ 3936.503929] radeon 0000:01:00.0: GPU reset succeeded, trying to resume
[ 3936.523106] [drm] PCIE GART of 512M enabled (table at 0x0000000000254000).
[ 3936.523152] radeon 0000:01:00.0: WB enabled
[ 3936.523160] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000010000c00 and cpu addr 0xffff880074d72c00
[ 3936.524373] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
0x00000000000521d0 and cpu addr 0xffffc900045921d0
[ 3936.556287] [drm] ring test on 0 succeeded in 0 usecs
[ 3936.732365] [drm] ring test on 5 succeeded in 1 usecs
[ 3936.732375] [drm] UVD initialized successfully.
[ 3946.943038] radeon 0000:01:00.0: ring 0 stalled for more than 10213msec
[ 3946.943047] radeon 0000:01:00.0: GPU lockup (current fence id
0x0000000000050dee last fence id 0x0000000000050df3 on ring 0)
[ 3946.956388] [drm:r600_ib_test] *ERROR* radeon: fence wait failed (-35).
[ 3946.956396] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on
GFX ring (-35).

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