https://bugs.freedesktop.org/show_bug.cgi?id=70766
Priority: medium
Bug ID: 70766
Assignee: mesa-dev@lists.freedesktop.org
Summary: Run-time link error in swrast_dri.so
Severity: major
Classification: Unclassified
OS: Linux (All)
Reporter: ahartm...@gmail.com
Hardware: x86-64 (AMD64)
Status: NEW
Version: git
Component: Other
Product: Mesa
I actually have a card supported by the radeonsi driver, but, probably due to
the error reported here, hardware-supported 3D is not available under X. I
think the error here would also apply to radeonsi if Mesa attempted to load it.
When I run glxinfo, I get:
name of display: :0
libGL: screen 0 does not appear to be DRI2 capable
libGL: OpenDriver: trying /opt/xorg/lib/dri/tls/swrast_dri.so
libGL: OpenDriver: trying /opt/xorg/lib/dri/swrast_dri.so
libGL error: dlopen /opt/xorg/lib/dri/swrast_dri.so failed
(/opt/xorg/lib/dri/swrast_dri.so: undefined symbol: _ZTIN4llvm11raw_ostreamE)
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
X Error of failed request: 0
Major opcode of failed request: 153 (GLX)
Minor opcode of failed request: 26 (X_GLXMakeContextCurrent)
Serial number of failed request: 33
Current serial number in output stream: 33
The demangled name of "_ZTIN4llvm11raw_ostreamE" is "typeinfo for
llvm::raw_ostream". LLVM is compiled without RTTI. Mesa has a class that
inherits llvm::raw_ostream and is compiled without -fno-rtti. That might be the
code that triggers the problem:
src/gallium/auxiliary/gallivm/lp_bld_debug.cpp:
class raw_debug_ostream :
public llvm::raw_ostream
{
I experimentally patched Mesa like so:
mesa$ git diff
diff --git a/src/gallium/auxiliary/Makefile.am
b/src/gallium/auxiliary/Makefile.am
index 2d2d8d4..d961243 100644
--- a/src/gallium/auxiliary/Makefile.am
+++ b/src/gallium/auxiliary/Makefile.am
@@ -10,7 +10,7 @@ AM_CFLAGS = \
$(GALLIUM_CFLAGS) \
$(VISIBILITY_CFLAGS)
-AM_CXXFLAGS = $(VISIBILITY_CXXFLAGS)
+AM_CXXFLAGS = $(VISIBILITY_CXXFLAGS) -fno-rtti
libgallium_la_SOURCES = \
$(C_SOURCES) \
@@ -23,7 +23,7 @@ AM_CFLAGS += \
AM_CXXFLAGS += \
$(GALLIUM_CFLAGS) \
- $(LLVM_CXXFLAGS)
+ $(LLVM_CXXFLAGS) -fno-rtti
libgallium_la_SOURCES += \
$(GALLIVM_SOURCES) \
and recompiled.
That seemed to fix the problem for me:
$ glxinfo
name of display: :0
libGL: screen 0 does not appear to be DRI2 capable
libGL: OpenDriver: trying /opt/xorg/lib/dri/tls/swrast_dri.so
libGL: OpenDriver: trying /opt/xorg/lib/dri/swrast_dri.so
libGL: Can't open configuration file /home/horst/.drirc: No such file or
directory.
libGL: Can't open configuration file /home/horst/.drirc: No such file or
directory.
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap,
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer,
GLX_OML_swap_method, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
GLX_SGIX_pbuffer, GLX_SGI_make_current_read
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
(...)
My configure invocation, extracted from config.status, is:
'./configure' '--prefix=/opt/xorg' '--with-egl-platforms=x11,drm'
'--enable-gbm' '--enable-shared-glapi' '--enable-glx-tls' '--enable-gles1'
'--enable-gles2' '-disable-xvmc'
'--with-gallium-drivers=r300,r600,svga,swrast,radeonsi'
'PKG_CONFIG_PATH=/opt/xorg/share/pkgconfig:/opt/xorg/lib/pkgconfig:/opt/kde4/lib/x86_64-linux-gnu/pkgconfig:/opt/kde4/lib/pkgconfig'
Both LLVM and Mesa versions are very current, maybe two hours old at the time
of this writing.
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