https://bugs.freedesktop.org/show_bug.cgi?id=106533

            Bug ID: 106533
           Summary: r300_dri.so SIGSEGV in llvm_pipeline_generic under
                    Cinnamon
           Product: Mesa
           Version: 18.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/r300
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: anthonyjci...@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Cinnamon issues SIGSEGV in (unknown function after) llvm_pipeline_generic.

Stack trace of thread 1400:
#0  0x00007f5442209333 n/a (n/a)
#1  0x00007f54554f7ed3 llvm_pipeline_generic (r300_dri.so)
#2  0x00007f54554f83af llvm_middle_end_linear_run (r300_dri.so)
#3  0x00007f5455415a54 vsplit_segment_simple_linear (r300_dri.so)
#4  0x00007f545540e858 draw_pt_arrays (r300_dri.so)
#5  0x00007f545540eca5 draw_vbo (r300_dri.so)
#6  0x00007f5455636569 r300_swtcl_draw_vbo (r300_dri.so)
#7  0x00007f54553fd6b7 cso_draw_arrays (r300_dri.so)
#8  0x00007f5455268c31 st_draw_quad (r300_dri.so)
#9  0x00007f5455252ff5 clear_with_quad (r300_dri.so)
#10 0x00007f547287d224 _cogl_framebuffer_gl_clear (libcogl.so.20)
#11 0x00007f54728c28da cogl_framebuffer_clear4f (libcogl.so.20)
#12 0x00007f5472fe283c _clutter_stage_do_pick (libclutter-1.0.so.0)
#13 0x00007f5472fbf3b9 _clutter_input_device_update (libclutter-1.0.so.0)
#14 0x00007f5472fc801c _clutter_process_event (libclutter-1.0.so.0)
#15 0x00007f5472fde940 _clutter_stage_process_queued_events
(libclutter-1.0.so.0)
#16 0x00007f5472fca439 clutter_clock_dispatch (libclutter-1.0.so.0)
#17 0x00007f546d9bab77 g_main_context_dispatch (libglib-2.0.so.0)
#18 0x00007f546d9baf20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)
#19 0x00007f546d9bb232 g_main_loop_run (libglib-2.0.so.0)
#20 0x00007f547539fe2c meta_run (libmuffin.so.0)
#21 0x000055640d5edce0 main (cinnamon)
#22 0x00007f546d3bcf2a __libc_start_main (libc.so.6)
#23 0x000055640d5eddda _start (cinnamon)

Stack trace of thread 1405:
#0  0x00007f546d486c6b __poll (libc.so.6)
#1  0x00007f546d9bae99 g_main_context_iterate.isra.23 (libglib-2.0.so.0)
#2  0x00007f546d9bafac g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007f546d9baff1 glib_worker_main (libglib-2.0.so.0)
#4  0x00007f546d9e2486 g_thread_proxy (libglib-2.0.so.0)
#5  0x00007f546d75950b start_thread (libpthread.so.0)
#6  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1406:
#0  0x00007f546d486c6b __poll (libc.so.6)
#1  0x00007f546d9bae99 g_main_context_iterate.isra.23 (libglib-2.0.so.0)
#2  0x00007f546d9bb232 g_main_loop_run (libglib-2.0.so.0)
#3  0x00007f546dfa3b56 gdbus_shared_thread_func (libgio-2.0.so.0)
#4  0x00007f546d9e2486 g_thread_proxy (libglib-2.0.so.0)
#5  0x00007f546d75950b start_thread (libpthread.so.0)
#6  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1407:
#0  0x00007f546d486c6b __poll (libc.so.6)
#1  0x00007f546d9bae99 g_main_context_iterate.isra.23 (libglib-2.0.so.0)
#2  0x00007f546d9bafac g_main_context_iteration (libglib-2.0.so.0)
#3  0x00007f545417042d dconf_gdbus_worker_thread (libdconfsettings.so)
#4  0x00007f546d9e2486 g_thread_proxy (libglib-2.0.so.0)
#5  0x00007f546d75950b start_thread (libpthread.so.0)
#6  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1408:
#0  0x00007f546d75f82d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1  0x00007f54689284f0 PR_WaitCondVar (libnspr4.so)
#2  0x00007f546b96ae41 _ZN2js12HelperThread10threadLoopEv (libmozjs-38.so)
#3  0x00007f546892e06b _pt_root (libnspr4.so)
#4  0x00007f546d75950b start_thread (libpthread.so.0)
#5  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1409:
#0  0x00007f546d75f82d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1  0x00007f54689284f0 PR_WaitCondVar (libnspr4.so)
#2  0x00007f546b96ae41 _ZN2js12HelperThread10threadLoopEv (libmozjs-38.so)
#3  0x00007f546892e06b _pt_root (libnspr4.so)
#4  0x00007f546d75950b start_thread (libpthread.so.0)
#5  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1410:
#0  0x00007f546d75f82d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1  0x00007f54689284f0 PR_WaitCondVar (libnspr4.so)
#2  0x00007f546b96ae41 _ZN2js12HelperThread10threadLoopEv (libmozjs-38.so)
#3  0x00007f546892e06b _pt_root (libnspr4.so)
#4  0x00007f546d75950b start_thread (libpthread.so.0)
#5  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1411:
#0  0x00007f546d75f82d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1  0x00007f54689284f0 PR_WaitCondVar (libnspr4.so)
#2  0x00007f546b96ae41 _ZN2js12HelperThread10threadLoopEv (libmozjs-38.so)
#3  0x00007f546892e06b _pt_root (libnspr4.so)
#4  0x00007f546d75950b start_thread (libpthread.so.0)
#5  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1412:
#0  0x00007f546d75f82d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1  0x00007f54689284f0 PR_WaitCondVar (libnspr4.so)
#2  0x00007f546b96ae41 _ZN2js12HelperThread10threadLoopEv (libmozjs-38.so)
#3  0x00007f546892e06b _pt_root (libnspr4.so)
#4  0x00007f546d75950b start_thread (libpthread.so.0)
#5  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1653:
#0  0x00007f546d48bb99 syscall (libc.so.6)
#1  0x00007f546da0062a g_cond_wait_until (libglib-2.0.so.0)
#2  0x00007f546d98f381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)
#3  0x00007f546d9e2e24 g_thread_pool_thread_proxy (libglib-2.0.so.0)
#4  0x00007f546d9e2486 g_thread_proxy (libglib-2.0.so.0)
#5  0x00007f546d75950b start_thread (libpthread.so.0)
#6  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1701:
#0  0x00007f546d48bb99 syscall (libc.so.6)
#1  0x00007f546da0062a g_cond_wait_until (libglib-2.0.so.0)
#2  0x00007f546d98f381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)
#3  0x00007f546d9e2e24 g_thread_pool_thread_proxy (libglib-2.0.so.0)
#4  0x00007f546d9e2486 g_thread_proxy (libglib-2.0.so.0)
#5  0x00007f546d75950b start_thread (libpthread.so.0)
#6  0x00007f546d49116f __clone (libc.so.6)

Stack trace of thread 1702:
#0  0x00007f546d48bb99 syscall (libc.so.6)
#1  0x00007f546da0062a g_cond_wait_until (libglib-2.0.so.0)
#2  0x00007f546d98f381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)
#3  0x00007f546d9e2e24 g_thread_pool_thread_proxy (libglib-2.0.so.0)
#4  0x00007f546d9e2486 g_thread_proxy (libglib-2.0.so.0)
#5  0x00007f546d75950b start_thread (libpthread.so.0)
#6  0x00007f546d49116f __clone (libc.so.6)


Notes: this bug exists in 17.2, 17.3 and 18.0 branches (17.1 untested, 17.0 not
compilable with llvm/clang 5.0.  Compiled from 18.0.3 source tarball via
rpmbuild based on Fedora 29 mesa-18.0.0-3 SRPM.  17.2 and 17.3 tested with
Fedora 27 binary packages.

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