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

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 104082] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)
Date: Sat, 03 Mar 2018 20:05:05 +0000	[thread overview]
Message-ID: <bug-104082-502-cwuy6KNJyl@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-104082-502@http.bugs.freedesktop.org/>


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

--- Comment #35 from Nick Lee <nvlbox@gmail.com> ---
The same on NVIDIA Corporation C79 [GeForce 9300 / nForce 730i] (rev b1).
This happens when high disk IO load. For example - copy foles from HDD to USB.

[30790.063300] nouveau 0000:03:00.0: swiotlb buffer is full (sz: 2097152 bytes)
[30790.063304] nouveau 0000:03:00.0: swiotlb: coherent allocation failed,
size=2097152
[30790.063308] CPU: 1 PID: 2071 Comm: gnome-shell Not tainted
4.16.0-0.rc3.git2.1.vanilla.knurd.1.fc27.x86_64 #1
[30790.063309] Hardware name: NVIDIA MCP7A/MCP7A, BIOS 6.00 PG 04/22/2009
[30790.063310] Call Trace:
[30790.063321]  dump_stack+0x5c/0x85
[30790.063326]  swiotlb_alloc_coherent+0x1be/0x1d0
[30790.063338]  ttm_dma_pool_get_pages+0x235/0x620 [ttm]
[30790.063345]  ttm_dma_populate+0x25e/0x350 [ttm]
[30790.063350]  ttm_tt_bind+0x2c/0x60 [ttm]
[30790.063356]  ttm_bo_handle_move_mem+0x577/0x5b0 [ttm]
[30790.063362]  ttm_bo_validate+0x120/0x130 [ttm]
[30790.063393]  ? drm_pcie_get_speed_cap_mask+0x8e/0xe0 [drm]
[30790.063398]  ttm_bo_init_reserved+0x378/0x420 [ttm]
[30790.063403]  ttm_bo_init+0x62/0xd0 [ttm]
[30790.063473]  ? nouveau_bo_invalidate_caches+0x10/0x10 [nouveau]
[30790.063516]  nouveau_bo_new+0x416/0x590 [nouveau]
[30790.063562]  ? nouveau_bo_invalidate_caches+0x10/0x10 [nouveau]
[30790.063605]  ? nouveau_gem_new+0x120/0x120 [nouveau]
[30790.063648]  nouveau_gem_new+0x5d/0x120 [nouveau]
[30790.063692]  nouveau_gem_ioctl_new+0x51/0xd0 [nouveau]
[30790.063706]  drm_ioctl_kernel+0x5b/0xb0 [drm]
[30790.063720]  drm_ioctl+0x2d5/0x370 [drm]
[30790.063764]  ? nouveau_gem_new+0x120/0x120 [nouveau]
[30790.063809]  nouveau_drm_ioctl+0x64/0xc0 [nouveau]
[30790.063815]  do_vfs_ioctl+0xa4/0x620
[30790.063818]  SyS_ioctl+0x74/0x80
[30790.063822]  do_syscall_64+0x74/0x180
[30790.063826]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[30790.063829] RIP: 0033:0x7f2a2164b8e7
[30790.063830] RSP: 002b:00007ffdc53b6bd8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[30790.063833] RAX: ffffffffffffffda RBX: 000055c99031d960 RCX:
00007f2a2164b8e7
[30790.063834] RDX: 00007ffdc53b6c30 RSI: 00000000c0306480 RDI:
000000000000000c
[30790.063836] RBP: 00007ffdc53b6c30 R08: 0000000000000004 R09:
000055c99031d950
[30790.063837] R10: ffffffffffffffb0 R11: 0000000000000246 R12:
00000000c0306480
[30790.063839] R13: 000000000000000c R14: 000055c98cfab250 R15:
000055c98a0e4140
[30790.110592] nouveau 0000:03:00.0: swiotlb buffer is full (sz: 2097152 bytes)

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