[Bug 29556] [rv620] GPU reset followed by black screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29556

--- Comment #5 from Marc <marvin24 at gmx.de> 2010-08-16 10:40:17 PDT ---
In fact, the bug is a little different now. Instead of a GPU hang, Xorg just
blocks in D-state, no dmesg output. I did a cat /proc/`pidof X`/stack and got:

[<ffffffffa01ac7b2>] radeon_fence_wait+0x1d1/0x2ea [radeon]
[<ffffffffa01acf41>] radeon_sync_obj_wait+0x11/0x13 [radeon]
[<ffffffffa009295c>] ttm_bo_wait+0xbe/0x153 [ttm]
[<ffffffffa0095b54>] ttm_bo_move_accel_cleanup+0x8b/0x29f [ttm]
[<ffffffffa01ad07d>] radeon_move_blit+0x12a/0x148 [radeon]
[<ffffffffa01ad420>] radeon_bo_move+0x114/0x13c [radeon]
[<ffffffffa0092da9>] ttm_bo_handle_move_mem+0x1b6/0x2b1 [ttm]
[<ffffffffa009449e>] ttm_bo_evict+0x2e1/0x34a [ttm]
[<ffffffffa009467d>] ttm_mem_evict_first+0x176/0x1a4 [ttm]
[<ffffffffa0094141>] ttm_bo_mem_space+0x3fd/0x479 [ttm]
[<ffffffffa0094b6e>] ttm_bo_move_buffer+0xb3/0x11b [ttm]
[<ffffffffa0094c83>] ttm_bo_validate+0xad/0xf6 [ttm]
[<ffffffffa0094ffe>] ttm_bo_init+0x332/0x36b [ttm]
[<ffffffffa01ae8e9>] radeon_bo_create+0x17f/0x246 [radeon]
[<ffffffffa01beac8>] radeon_gem_object_create+0x7d/0xda [radeon]
[<ffffffffa01beb72>] radeon_gem_create_ioctl+0x4d/0xab [radeon]
[<ffffffffa002543c>] drm_ioctl+0x255/0x34d [drm]
[<ffffffff810f719c>] vfs_ioctl+0x32/0xa6
[<ffffffff810f7aba>] do_vfs_ioctl+0x46a/0x4a3
[<ffffffff810f7b49>] sys_ioctl+0x56/0x79
[<ffffffff81002b9b>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff

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