[Bug 104082] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104082

--- Comment #49 from Barto <mister.freeman at laposte.net> ---
full log error, it seems related to ttm code, I use the radeon driver (not
amdgpu) :

[20021.576712] radeon 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes)
[20021.576715] radeon 0000:01:00.0: swiotlb: coherent allocation failed,
size=2097152
[20021.578048] CPU: 1 PID: 979 Comm: Compositor Not tainted 4.16.4-1-ARCH #1
[20021.578049] Hardware name: Gigabyte Technology Co., Ltd. P35-DS3L/P35-DS3L,
BIOS F9 06/19/2009
[20021.578050] Call Trace:
[20021.578062]  dump_stack+0x5c/0x85
[20021.578066]  swiotlb_alloc_coherent+0x1be/0x1d0
[20021.578078]  ttm_dma_pool_get_pages+0x215/0x5d0 [ttm]
[20021.578084]  ttm_dma_populate+0x25b/0x350 [ttm]
[20021.578088]  ttm_tt_bind+0x2c/0x60 [ttm]
[20021.578092]  ttm_bo_handle_move_mem+0x577/0x5b0 [ttm]
[20021.578097]  ttm_bo_validate+0x120/0x130 [ttm]
[20021.578119]  ? drm_vma_offset_add+0x41/0x60 [drm]
[20021.578122]  ? csum_partial_copy_generic+0x9c2/0x1a00
[20021.578126]  ttm_bo_init_reserved+0x395/0x460 [ttm]
[20021.578130]  ttm_bo_init+0x62/0xe0 [ttm]
[20021.578161]  ? radeon_update_memory_usage.isra.0+0x50/0x50 [radeon]
[20021.578174]  radeon_bo_create+0x180/0x240 [radeon]
[20021.578189]  ? radeon_update_memory_usage.isra.0+0x50/0x50 [radeon]
[20021.578204]  radeon_gem_object_create+0xa7/0x190 [radeon]
[20021.578220]  ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon]
[20021.578235]  radeon_gem_create_ioctl+0x66/0x100 [radeon]
[20021.578250]  ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon]
[20021.578259]  drm_ioctl_kernel+0x5b/0xb0 [drm]
[20021.578268]  drm_ioctl+0x2d5/0x370 [drm]
[20021.578284]  ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon]
[20021.578288]  ? __handle_mm_fault+0xc88/0x14d0
[20021.578290]  ? cap_task_prctl+0x310/0x310
[20021.578302]  radeon_drm_ioctl+0x49/0x80 [radeon]
[20021.578305]  do_vfs_ioctl+0xa4/0x630
[20021.578308]  ? __do_page_fault+0x317/0x5a0
[20021.578310]  SyS_ioctl+0x74/0x80
[20021.578313]  do_syscall_64+0x74/0x190
[20021.578316]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[20021.578318] RIP: 0033:0x7f314a1b44c7
[20021.578319] RSP: 002b:00007f311c5fd3c8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[20021.578321] RAX: ffffffffffffffda RBX: 0000000000000002 RCX:
00007f314a1b44c7
[20021.578322] RDX: 00007f311c5fd440 RSI: 00000000c020645d RDI:
0000000000000007
[20021.578323] RBP: 00007f311c5fd440 R08: 0000000000000002 R09:
0000000000000000
[20021.578324] R10: 0000000000000000 R11: 0000000000000246 R12:
00000000c020645d
[20021.578325] R13: 0000000000000007 R14: 00007f31343d0000 R15:
0000000000000002

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