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<body><span class="vcard"><a class="email" href="mailto:bjo@nord-west.org" title="bjo@nord-west.org">bjo@nord-west.org</a>
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<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104082">bug 104082</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104082#c39">Comment # 39</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104082">bug 104082</a>
from <span class="vcard"><a class="email" href="mailto:bjo@nord-west.org" title="bjo@nord-west.org">bjo@nord-west.org</a>
</span></b>
<pre>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</pre>
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