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

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changed bug 104082
What Removed Added
Status RESOLVED REOPENED
Resolution FIXED ---

Comment # 39 on bug 104082 from
Issue appears here on 4.16 too:

[19470.368310] radeon 0000:00:01.0: swiotlb buffer is full (sz: 2097152 bytes)
[19470.368334] radeon 0000:00:01.0: swiotlb: coherent allocation failed,
size=2097152
[19470.368341] CPU: 0 PID: 815 Comm: Xorg Not tainted 4.16.0-1-ARCH #1
[19470.368343] Hardware name: LENOVO 20BLS00400/20BLS00400, BIOS GSET69WW (2.14
) 09/28/2017
[19470.368345] Call Trace:
[19470.368362]  dump_stack+0x5c/0x85
[19470.368369]  swiotlb_alloc_coherent+0x1be/0x1d0
[19470.368387]  ttm_dma_pool_get_pages+0x215/0x5d0 [ttm]
[19470.368401]  ttm_dma_populate+0x25b/0x350 [ttm]
[19470.368412]  ttm_tt_bind+0x2c/0x60 [ttm]
[19470.368423]  ttm_bo_handle_move_mem+0x577/0x5b0 [ttm]
[19470.368436]  ttm_bo_validate+0x120/0x130 [ttm]
[19470.368474]  ? drm_vma_offset_add+0x41/0x60 [drm]
[19470.368478]  ? acpi_os_map_iomem+0x52/0x180
[19470.368489]  ttm_bo_init_reserved+0x395/0x460 [ttm]
[19470.368500]  ttm_bo_init+0x62/0xe0 [ttm]
[19470.368549]  ? radeon_update_memory_usage.isra.0+0x50/0x50 [radeon]
[19470.368584]  radeon_bo_create+0x180/0x240 [radeon]
[19470.368622]  ? radeon_update_memory_usage.isra.0+0x50/0x50 [radeon]
[19470.368660]  radeon_gem_object_create+0xa7/0x190 [radeon]
[19470.368700]  ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon]
[19470.368737]  radeon_gem_create_ioctl+0x66/0x100 [radeon]
[19470.368776]  ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon]
[19470.368798]  drm_ioctl_kernel+0x5b/0xb0 [drm]
[19470.368823]  drm_ioctl+0x2d5/0x370 [drm]
[19470.368862]  ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon]
[19470.368869]  ? vfs_writev+0xb9/0x110
[19470.368901]  radeon_drm_ioctl+0x49/0x80 [radeon]
[19470.368909]  do_vfs_ioctl+0xa4/0x630
[19470.368915]  ? __sys_recvmsg+0x4e/0x90
[19470.368919]  ? __sys_recvmsg+0x7d/0x90
[19470.368924]  SyS_ioctl+0x74/0x80
[19470.368931]  do_syscall_64+0x74/0x190
[19470.368937]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[19470.368942] RIP: 0033:0x7f7b3e17ad87
[19470.368945] RSP: 002b:00007ffe18b59e08 EFLAGS: 00003246 ORIG_RAX:
0000000000000010
[19470.368950] RAX: ffffffffffffffda RBX: 0000000000000002 RCX:
00007f7b3e17ad87
[19470.368952] RDX: 00007ffe18b59e80 RSI: 00000000c020645d RDI:
0000000000000010
[19470.368954] RBP: 00007ffe18b59e80 R08: 0000000000000002 R09:
0000000000000000
[19470.368956] R10: 0000000000207000 R11: 0000000000003246 R12:
00000000c020645d
[19470.368958] R13: 0000000000000010 R14: 000055c9b1526e90 R15:
000055c9b1526e90
[19615.347634] swiotlb_tbl_map_single: 46 callbacks suppressed


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