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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - 'radeonsi: Failed to create context' with 32 bit applications"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104837">104837</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>'radeonsi: Failed to create context' with 32 bit applications
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/AMDgpu
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>rafael.ristovski@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=137021" name="attach_137021" title="dmesg log">attachment 137021</a> <a href="attachment.cgi?id=137021&action=edit" title="dmesg log">[details]</a></span>
dmesg log
Running 32bit OpenGL applications on my AMD card with DRI_PRIME=1 produces the
following error, running 64bit applications works just fine.
Somehow I suspect virtual memory is the cause.
libGL: pci id for fd 5: 1002:6823, driver radeonsi
libGL: OpenDriver: trying /usr/lib32/dri/tls/radeonsi_dri.so
libGL: OpenDriver: trying /usr/lib32/dri/radeonsi_dri.so
/usr/share/libdrm/amdgpu.ids version: 1.0.0
radeonsi: Failed to create a context.
libGL: Using DRI3 for screen 0
radeonsi: Failed to create a context.
X Error of failed request: BadValue (integer parameter out of range for
operation)
Major opcode of failed request: 154 (GLX)
Minor opcode of failed request: 3 (X_GLXCreateContext)
Value in failed request: 0x0
Serial number of failed request: 31
Current serial number in output stream: 33
At the same time, the following messages are logged in dmesg:
(See similar but apparently harmless:
<a class="bz_bug_link
bz_status_NEW "
title="NEW - amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)"
href="show_bug.cgi?id=104082">https://bugs.freedesktop.org/show_bug.cgi?id=104082</a>)
[433611.485600] amdgpu 0000:03:00.0: swiotlb buffer is full (sz: 2097152 bytes)
[433611.485602] amdgpu 0000:03:00.0: swiotlb: coherent allocation failed,
size=2097152
Full relevant dmesg log of the accident is attached
Various VRAM/GTT info from boot:
[ 10.485945] [drm] amdgpu kernel modesetting enabled.
[ 10.486189] amdgpu 0000:03:00.0: enabling device (0000 -> 0003)
[ 10.669296] amdgpu 0000:03:00.0: VRAM: 2048M 0x000000F400000000 -
0x000000F47FFFFFFF (2048M used)
[ 10.669298] amdgpu 0000:03:00.0: GTT: 1024M 0x0000000000000000 -
0x000000003FFFFFFF
[ 10.669387] [drm] amdgpu: 2048M of VRAM memory ready
[ 10.669388] [drm] amdgpu: 3072M of GTT memory ready.
[ 10.670190] amdgpu 0000:03:00.0: PCIE GART of 1024M enabled (table at
0x000000F400040000).
[ 10.685934] [drm] amdgpu: dpm initialized
[ 11.043323] [drm] Initialized amdgpu 3.23.0 20150101 for 0000:03:00.0 on
minor 1
Sysinfo:
- Gentoo x86_64
- llvm/clang/mesa/libdrm and friends, including drivers all pulled from git as
of ~2 days ago.
- Intel HD 4400 Gen7.5 Haswell - i915
- AMD Radeon HD 8850M - amdgpu
- Both drivers are using DRI3 for PRIME</pre>
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