I can also confirm this bug on Fedora 18 X86_64, radeon driver, HD5870 card. I cannot log into the system with two external monitors attached, but with only one external monitor it works fine. This seems to have started to happen after upgrade to mesa-dri-drivers 9.1-1 or 9.1-3 (I did not restart between those updates). Here is my backtrace: b7b62d4d01e98c8b31d95895cbede393b8b0c6e8 0x8954b __memset_sse2 /lib64/libc.so.6 45eccba94f5fef95c8933974ac014d83e50a9ebb c9e82f1ca30be88ed6ef697aa581a1c940858291 0x349ff2 r600_texture_create_object /usr/lib64/dri/r600_dri.so 4f51004f888b1ba8194719f476c2fd4ff4aad900 c9e82f1ca30be88ed6ef697aa581a1c940858291 0x34a2c7 r600_texture_create /usr/lib64/dri/r600_dri.so 5baaed899c5ecf15a1568310eff18dc385cdf50d c9e82f1ca30be88ed6ef697aa581a1c940858291 0x35ca25 dri2_allocate_textures /usr/lib64/dri/r600_dri.so 0a2fa38b05320f36fa5b90de563948aac101910e c9e82f1ca30be88ed6ef697aa581a1c940858291 0x35b595 dri_st_framebuffer_validate /usr/lib64/dri/r600_dri.so 45eccba94f5fef95c8933974ac014d83e50a9ebb c9e82f1ca30be88ed6ef697aa581a1c940858291 0x35b7ce dri_set_tex_buffer2 /usr/lib64/dri/r600_dri.so 55f8abe768545f45025c61cca676f0352439722d 67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x68702 _cogl_winsys_texture_pixmap_x11_update /lib64/libcogl.so.11 ac79bd8478de58b10ea1b2bbc9d920bfbe437214 67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x66104 _cogl_texture_pixmap_x11_update /lib64/libcogl.so.11 96f709cfd3fe851395649feeda7d4dd459e3ca60 67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x666ad _cogl_texture_pixmap_x11_get_texture /lib64/libcogl.so.11 6179db327fe5f11fb226532cabb471745b820c8f 67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x66709 _cogl_texture_pixmap_x11_get_type /lib64/libcogl.so.11 ad318b56f9bf3c97e02782cfada93e8f37221c59 67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x437d9 cogl_pipeline_set_layer_texture /lib64/libcogl.so.11 ba1ae932f4a148b027fd73337e04d05fbae9862e c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x33eb2 set_texture_on_actor /lib64/libmutter.so.0 47169c9a5b07212ae0061e199a81ca87080a2e4c c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x34008 set_texture /lib64/libmutter.so.0 6647294c524f089a0c77389826b0a954c997c085 c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x3491f meta_background_actor_update /lib64/libmutter.so.0 184cb323b2f3eaf40fc3b375371bdf1393e6882a c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x3352a meta_compositor_process_event /lib64/libmutter.so.0 5c8e84a4b7a1c62daf4be566f862cf325d9b1926 c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x45367 event_callback /lib64/libmutter.so.0 11cf28c10df323150560c808d8bf75e7ed72e0c8 c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x8f476 filter_func /lib64/libmutter.so.0 7bfd96ce0e83046b4b4da64b6d99cf1d3ce823d6 1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x4a901 gdk_event_apply_filters /lib64/libgdk-3.so.0 a28856cf0bdff41c2ad87be20d4186aeea868a26 1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x4aad7 _gdk_x11_display_queue_events /lib64/libgdk-3.so.0 50da1079f5dfea096a6ddfd4caca8af2b76726e4 1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x20511 gdk_display_get_event /lib64/libgdk-3.so.0 457cc16f8850789e7b3830330439fcf89b9a418b 1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x4a812 gdk_event_source_dispatch /lib64/libgdk-3.so.0 d2af43c4e5d993f84766ffa06ddb024ac500e725 9442c0d3ccde3c8dbc81f858e03246a133f086d6 0x47a55 g_main_context_dispatch /lib64/libglib-2.0.so.0 d4b6d4f2836ef32bd9d5847446bdcc7c19cfa379 9442c0d3ccde3c8dbc81f858e03246a133f086d6 0x47d88 g_main_context_iterate.isra.24 /lib64/libglib-2.0.so.0 ba0d551b7f0614ded38071cba2b37e156703e7f2 9442c0d3ccde3c8dbc81f858e03246a133f086d6 0x48182 g_main_loop_run /lib64/libglib-2.0.so.0 97ad0c44e2f6c8d6c6037025add5aa29f54a351c c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x53467 meta_run /lib64/libmutter.so.0 0e5cc7fe0eb8f1fbe596e745f6fb64c36c5455ed b7584e5ed0db7d29ef55ff77ab8344f06b0c3f94 0x1e2c main /usr/bin/gnome-shell bd96fec6192e77e3dbc72e49eae3be6a52f6ef62
I can also confirm this bug on Fedora 18 X86_64, radeon driver, HD5870 card. b31d95895cbede3 93b8b0c6e8 0x8954b __memset_sse2 /lib64/libc.so.6 45eccba94f5fef9 5c8933974ac014d 83e50a9ebb ed6ef697aa581a1 c940858291 0x349ff2 r600_texture_ create_ object /usr/lib64/ dri/r600_ dri.so 4f51004f888b1ba 8194719f476c2fd 4ff4aad900 ed6ef697aa581a1 c940858291 0x34a2c7 r600_texture_create /usr/lib64/ dri/r600_ dri.so 5baaed899c5ecf1 5a1568310eff18d c385cdf50d ed6ef697aa581a1 c940858291 0x35ca25 dri2_allocate_ textures /usr/lib64/ dri/r600_ dri.so 0a2fa38b05320f3 6fa5b90de563948 aac101910e ed6ef697aa581a1 c940858291 0x35b595 dri_st_ framebuffer_ validate /usr/lib64/ dri/r600_ dri.so 45eccba94f5fef9 5c8933974ac014d 83e50a9ebb ed6ef697aa581a1 c940858291 0x35b7ce dri_set_tex_buffer2 /usr/lib64/ dri/r600_ dri.so 55f8abe768545f4 5025c61cca676f0 352439722d dd1558ccbb7b8fa d4e81e3379 0x68702 _cogl_winsys_ texture_ pixmap_ x11_update /lib64/ libcogl. so.11 ac79bd8478de58b 10ea1b2bbc9d920 bfbe437214 dd1558ccbb7b8fa d4e81e3379 0x66104 _cogl_texture_ pixmap_ x11_update /lib64/ libcogl. so.11 96f709cfd3fe851 395649feeda7d4d d459e3ca60 dd1558ccbb7b8fa d4e81e3379 0x666ad _cogl_texture_ pixmap_ x11_get_ texture /lib64/ libcogl. so.11 6179db327fe5f11 fb226532cabb471 745b820c8f dd1558ccbb7b8fa d4e81e3379 0x66709 _cogl_texture_ pixmap_ x11_get_ type /lib64/ libcogl. so.11 ad318b56f9bf3c9 7e02782cfada93e 8f37221c59 dd1558ccbb7b8fa d4e81e3379 0x437d9 cogl_pipeline_ set_layer_ texture /lib64/ libcogl. so.11 ba1ae932f4a148b 027fd73337e04d0 5fbae9862e 29bb15a1e211273 a4ec3dea5d 0x33eb2 set_texture_ on_actor /lib64/ libmutter. so.0 47169c9a5b07212 ae0061e199a81ca 87080a2e4c 29bb15a1e211273 a4ec3dea5d 0x34008 set_texture /lib64/ libmutter. so.0 6647294c524f089 a0c77389826b0a9 54c997c085 29bb15a1e211273 a4ec3dea5d 0x3491f meta_background _actor_ update /lib64/ libmutter. so.0 184cb323b2f3eaf 40fc3b375371bdf 1393e6882a 29bb15a1e211273 a4ec3dea5d 0x3352a meta_compositor _process_ event /lib64/ libmutter. so.0 5c8e84a4b7a1c62 daf4be566f862cf 325d9b1926 29bb15a1e211273 a4ec3dea5d 0x45367 event_callback /lib64/ libmutter. so.0 11cf28c10df3231 50560c808d8bf75 e7ed72e0c8 29bb15a1e211273 a4ec3dea5d 0x8f476 filter_func /lib64/ libmutter. so.0 7bfd96ce0e83046 b4b4da64b6d99cf 1d3ce823d6 eadccfa39550b5e ef67ab6bc0 0x4a901 gdk_event_ apply_filters /lib64/ libgdk- 3.so.0 a28856cf0bdff41 c2ad87be20d4186 aeea868a26 eadccfa39550b5e ef67ab6bc0 0x4aad7 _gdk_x11_ display_ queue_events /lib64/ libgdk- 3.so.0 50da1079f5dfea0 96a6ddfd4caca8a f2b76726e4 eadccfa39550b5e ef67ab6bc0 0x20511 gdk_display_ get_event /lib64/ libgdk- 3.so.0 457cc16f8850789 e7b3830330439fc f89b9a418b eadccfa39550b5e ef67ab6bc0 0x4a812 gdk_event_ source_ dispatch /lib64/ libgdk- 3.so.0 d2af43c4e5d993f 84766ffa06ddb02 4ac500e725 dbc81f858e03246 a133f086d6 0x47a55 g_main_ context_ dispatch /lib64/ libglib- 2.0.so. 0 d4b6d4f2836ef32 bd9d5847446bdcc 7c19cfa379 dbc81f858e03246 a133f086d6 0x47d88 g_main_ context_ iterate. isra.24 /lib64/ libglib- 2.0.so. 0 ba0d551b7f0614d ed38071cba2b37e 156703e7f2 dbc81f858e03246 a133f086d6 0x48182 g_main_loop_run /lib64/ libglib- 2.0.so. 0 97ad0c44e2f6c8d 6c6037025add5aa 29f54a351c 29bb15a1e211273 a4ec3dea5d 0x53467 meta_run /lib64/ libmutter. so.0 0e5cc7fe0eb8f1f be596e745f6fb64 c36c5455ed 9ef55ff77ab8344 f06b0c3f94 0x1e2c main /usr/bin/ gnome-shell bd96fec6192e77e 3dbc72e49eae3be 6a52f6ef62
I cannot log into the system with two external monitors attached, but with only one external monitor it works fine. This seems to have started to happen after upgrade to mesa-dri-drivers 9.1-1 or 9.1-3 (I did not restart between those updates). Here is my backtrace:
b7b62d4d01e98c8
c9e82f1ca30be88
c9e82f1ca30be88
c9e82f1ca30be88
c9e82f1ca30be88
c9e82f1ca30be88
67f4899c1db4d10
67f4899c1db4d10
67f4899c1db4d10
67f4899c1db4d10
67f4899c1db4d10
c043a38bda0d5dc
c043a38bda0d5dc
c043a38bda0d5dc
c043a38bda0d5dc
c043a38bda0d5dc
c043a38bda0d5dc
1c54a46d2f8de1b
1c54a46d2f8de1b
1c54a46d2f8de1b
1c54a46d2f8de1b
9442c0d3ccde3c8
9442c0d3ccde3c8
9442c0d3ccde3c8
c043a38bda0d5dc
b7584e5ed0db7d2