Comment # 27
on bug 92214
from Barto
I made an interesting discovery : the bug occurs also in a virtual machine ( qemu i686, OS guest : archlinux i686 ), in this virtual machine it's not the r600 driver who is used, it's the swrast_dri.so file ( 100% emulation software, no 3D acceleration ), in this virtual machine all openGL programs crash ( glxgears for example ), with the error "illegal instruction", this qemu i686 virtual machine runs in my PC ( OS host : archlinux 64 bits, CPU: pentium dual core E6800 ), glxinfo for this qemu VM : name of display: :0 display: :0 screen: 0 direct rendering: Yes server glx vendor string: SGI server glx version string: 1.4 OpenGL vendor string: VMware, Inc. OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.7, 128 bits) OpenGL version string: 3.0 Mesa 11.0.3 OpenGL shading language version string: 1.30 log of Xorg : [ 13.255] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory) [ 13.533] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so [ 13.962] (II) Loading /usr/lib/xorg/modules/drivers/vmware_drv.so [ 14.948] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 14.978] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 15.010] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so [ 15.060] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so [ 15.270] (II) Loading /usr/lib/xorg/modules/libvgahw.so [ 15.281] (==) vmware(0): Using HW cursor [ 15.282] (II) Loading /usr/lib/xorg/modules/libfb.so [ 15.367] (II) Loading /usr/lib/xorg/modules/libshadowfb.so [ 13.962] (II) Loading /usr/lib/xorg/modules/drivers/vmware_drv.so [ 14.948] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 14.978] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 15.010] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so [ 15.053] (II) vmware: driver for VMware SVGA: vmware0405, vmware0710 [ 15.053] (II) FBDEV: driver for framebuffer: fbdev [ 15.053] (II) VESA: driver for VESA chipsets: vesa the mesa driver seems to be swrast_dri.so, the backtrace is still the same : Starting program: /usr/bin/glxgears [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0xb450eb40 (LWP 839)] [New Thread 0xb3d0db40 (LWP 840)] Program received signal SIGILL, Illegal instruction. 0xb7fd2091 in ?? () Thread 3 (Thread 0xb3d0db40 (LWP 840)): #0 0xb7fdbbc8 in __kernel_vsyscall () No symbol table info available. #1 0xb7a7da2b in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #2 0xb7c8de4d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libc.so.6 No symbol table info available. #3 0xb757940a in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #4 0xb7579275 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #5 0xb7a78315 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #6 0xb7c80e1e in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 2 (Thread 0xb450eb40 (LWP 839)): #0 0xb7fdbbc8 in __kernel_vsyscall () No symbol table info available. #1 0xb7a7da2b in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #2 0xb7c8de4d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libc.so.6 No symbol table info available. #3 0xb757940a in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #4 0xb7579275 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #5 0xb7a78315 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #6 0xb7c80e1e in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 1 (Thread 0xb7a5f700 (LWP 838)): #0 0xb7fd2091 in ?? () No symbol table info available. #1 0xb7367986 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #2 0xb7367d36 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #3 0xb729bc19 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #4 0xb72942e3 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #5 0xb72948c6 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #6 0xb7577813 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #7 0xb72820fd in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #8 0xb713d166 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #9 0xb7125f5a in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #10 0xb6ff0600 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #11 0xb7004b40 in ?? () from /usr/lib/xorg/modules/dri/swrast_dri.so No symbol table info available. #12 0x08049fdb in ?? () No symbol table info available. #13 0x080496ca in ?? () No symbol table info available. #14 0xb7baf497 in __libc_start_main () from /usr/lib/libc.so.6 No symbol table info available. #15 0x08049d0a in ?? () No symbol table info available. what is your opinion about these new infos ?
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