| Priority | medium |
|---|---|
| Bug ID | 59296 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | libGL cannot load r600_dri unless application itself is linked to libstdc++ |
| Severity | normal |
| Classification | Unclassified |
| OS | All |
| Reporter | rankincj@googlemail.com |
| Hardware | Other |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/r600 |
| Product | Mesa |
I have just tried to play WoW using the latest 64 bit Mesa from git, and have noticed that libGL refuses to load the r600_dri object, complaining that: libGL error: dlopen /usr/local/lib64/dri/r600_dri.so failed (/usr/local/lib64/dri/r600_dri.so: undefined symbol: _ZTVN10__cxxabiv120__si_class_type_infoE) libGL error: unable to load driver: r600_dri.so libGL error: driver pointer missing libGL error: failed to load driver: r600 libGL error: Try again with LIBGL_DEBUG=verbose for more details. The symbol _ZTVN10__cxxabiv120__si_class_type_infoE is from libstdc++, which is not listed as a dynamic dependency of r600_dri. Since wine64 doesn't have a dynamic dependency on libstdc++ either, the dynamic linker does not know how to resolve this symbol. After I had relinked r600_dri against libstdc++, WoW-64.exe was able to run successfully.
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