backtrace full #0 0x00007f9d2ea217f7 in sched_yield () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007f9d29023aa5 in swr_fence_finish (screen=, ctx=ctx@entry=0x0, fence_handle=0x19d6290, timeout=timeout@entry=0) at swr_fence.cpp:127 No locals. #2 0x00007f9d2900cfd4 in swr_flush_frontbuffer (p_screen=, resource=0x1e60640, level=, layer=, context_private=0x1e5fe00, sub_box=0x0) at swr_screen.cpp:1020 winsys = 0x19db6b0 pipe = 0x1dd1ba0 ctx = 0x1dd1ba0 __FUNCTION__ = "swr_flush_frontbuffer" #3 0x00007f9d28ae64be in drisw_present_texture (sub_box=0x0, ptex=0x1e60640, dPriv=0x1e80990) at drisw.c:165 No locals. #4 drisw_copy_to_front (ptex=0x1e60640, dPriv=0x1e80990) at drisw.c:182 No locals. #5 drisw_swap_buffers (dPriv=0x1e80990) at drisw.c:209 ctx = 0x19a2740 ptex = 0x1e60640 #6 0x00007f9d2f2860e5 in driswSwapBuffers (pdraw=0x1e18d10, target_msc=, divisor=, remainder=, flush=) at drisw_glx.c:558 pdp = 0x1e18d10 psc = 0x19a24a0 #7 0x0000000000401447 in draw (dpy=0x1993c20) at /home/local/piglit/tests/glx/glx-multi-context-single-window.c:110 i = 8 pass = false #8 0x00007f9d2f55200e in piglit_glx_event_loop (dpy=0x1993c20, draw=0x4011e2 ) at /home/local/piglit/tests/util/piglit-glx-util.c:212 result = 1634493279 event = {type = 12, xany = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154}, xkey = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, root = 0, subwindow = 2147483648500, time = 2147483648000, x = 0, y = 16843003, x_root = 0, y_root = 0, state = 0, keycode = 7864708, same_screen = 13435004}, xbutton = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, root = 0, subwindow = 2147483648500, time = 2147483648000, x = 0, y = 16843003, x_root = 0, y_root = 0, state = 0, button = 7864708, same_screen = 13435004}, xmotion = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, root = 0, subwindow = 2147483648500, time = 2147483648000, x = 0, y = 16843003, x_root = 0, y_root = 0, state = 0, is_hint = -124 '\204', same_screen = 13435004}, xcrossing = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, root = 0, subwindow = 2147483648500, time = 2147483648000, x = 0, y = 16843003, x_root = 0, y_root = 0, mode = 0, detail = 7864708, same_screen = 13435004, focus = 16515319, state = 19267837}, xfocus = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, mode = 0, detail = 0}, xexpose = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, x = 0, y = 0, width = 500, height = 500, count = 0}, xgraphicsexpose = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, drawable = 2097154, x = 0, y = 0, width = 500, height = 500, count = 0, major_code = 500, minor_code = 0}, xnoexpose = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, drawable = 2097154, major_code = 0, minor_code = 0}, xvisibility = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, state = 0}, xcreatewindow = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, parent = 2097154, window = 0, x = 500, y = 500, width = 0, height = 500, border_width = 0, override_redirect = 16843003}, xdestroywindow = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, event = 2097154, window = 0}, xunmap = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, event = 2097154, window = 0, from_configure = 500}, xmap = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, event = 2097154, window = 0, override_redirect = 500}, xmaprequest = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, parent = 2097154, window = 0}, xreparent = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, event = 2097154, window = 0, parent = 2147483648500, x = 0, y = 500, override_redirect = 0}, xconfigure = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, event = 2097154, window = 0, x = 500, y = 500, width = 0, height = 500, border_width = 0, above = 0, override_redirect = 0}, xgravity = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, event = 2097154, window = 0, x = 500, y = 500}, xresizerequest = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, width = 0, height = 0}, xconfigurerequest = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, parent = 2097154, window = 0, x = 500, y = 500, width = 0, height = 500, border_width = 0, above = 0, detail = 0, value_mask = 70932755001442428}, xcirculate = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, event = 2097154, window = 0, place = 500}, xcirculaterequest = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, parent = 2097154, window = 0, place = 500}, xproperty = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, atom = 0, time = 2147483648500, state = 0}, xselectionclear = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, selection = 0, time = 2147483648500}, xselectionrequest = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, owner = 2097154, requestor = 0, selection = 2147483648500, target = 2147483648000, property = 72340147051429888, time = 0}, xselection = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, requestor = 2097154, selection = 0, target = 2147483648500, property = 2147483648000, time = 72340147051429888}, xcolormap = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, colormap = 0, new = 500, state = 500}, xclient = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, message_type = 0, format = 500, data = {b = "\000\000\000\000\364\001\000\000\000\000\000\000\373\000\001\001\000\000\000", s = {0, 0, 500, 0, 0, 0, 251, 257, 0, 0}, l = {2147483648000, 72340147051429888, 0, 33778663652589568, 70932755001442428}}}, xmapping = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, request = 0, first_keycode = 0, count = 500}, xerror = {type = 12, display = 0x1e, resourceid = 0, serial = 26819616, error_code = 2 '\002', request_code = 0 '\000', minor_code = 32 ' '}, xkeymap = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, window = 2097154, key_vector = "\000\000\000\000\000\000\000\000\364\001\000\000\364\001\000\000\000\000\000\000\364\001\000\000\000\000\000\000\373\000\001\001"}, xgeneric = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, extension = 2097154, evtype = 0}, xcookie = {type = 12, serial = 30, send_event = 0, display = 0x1993c20, extension = 2097154, evtype = 0, cookie = 0, data = 0x1f4000001f4}, pad = {140312286593036, 30, 0, 26819616, 2097154, 0, 2147483648500, 2147483648000, 72340147051429888, 0, 33778663652589568, 70932755001442428, 88947406919827709, 36592236603703336, 46725430258172035, 84162083203711145, 14918358450176303, 45599637723611191, 54043942864093352, 83036367980527849, 18014630440272180, 32933049021890638, 50666213077942410, 35466190664761693}} #9 0x00000000004015ed in main (argc=2, argv=0x7fff52012898) at /home/local/piglit/tests/glx/glx-multi-context-single-window.c:146 visinfo = 0x19b2d00 i = 8 info registers rax 0x0 0 rbx 0x0 0 rcx 0x7f9d2ea217f7 140313068967927 rdx 0x19d6290 27091600 rsi 0x0 0 rdi 0x19d38d0 27080912 rbp 0x7fff520127b0 0x7fff520127b0 rsp 0x7fff52012790 0x7fff52012790 r8 0x1e5fe00 31849984 r9 0x0 0 r10 0x20e 526 r11 0x202 514 r12 0x4010d0 4198608 r13 0x7fff52012890 140734569195664 r14 0x0 0 r15 0x0 0 rip 0x4015ed 0x4015ed eflags 0x202 [ IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 info proc mappings process 11803 Mapped address spaces: Start Addr End Addr Size Offset objfile 0x400000 0x402000 0x2000 0x0 /home/local/piglit/bin/glx-multi-context-single-window 0x601000 0x602000 0x1000 0x1000 /home/local/piglit/bin/glx-multi-context-single-window 0x602000 0x603000 0x1000 0x2000 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0x7f9d2dc2b000 0x7f9d2de2b000 0x200000 0x26000 /lib/x86_64-linux-gnu/libexpat.so.1.6.0 0x7f9d2de2b000 0x7f9d2de2d000 0x2000 0x26000 /lib/x86_64-linux-gnu/libexpat.so.1.6.0 0x7f9d2de2d000 0x7f9d2de2e000 0x1000 0x28000 /lib/x86_64-linux-gnu/libexpat.so.1.6.0 0x7f9d2de2e000 0x7f9d2df36000 0x108000 0x0 /lib/x86_64-linux-gnu/libm-2.23.so 0x7f9d2df36000 0x7f9d2e135000 0x1ff000 0x108000 /lib/x86_64-linux-gnu/libm-2.23.so 0x7f9d2e135000 0x7f9d2e136000 0x1000 0x107000 /lib/x86_64-linux-gnu/libm-2.23.so 0x7f9d2e136000 0x7f9d2e137000 0x1000 0x108000 /lib/x86_64-linux-gnu/libm-2.23.so 0x7f9d2e137000 0x7f9d2e2f4000 0x1bd000 0x0 /home/local/piglit/lib/libpiglitutil_gl.so.0 0x7f9d2e2f4000 0x7f9d2e4f4000 0x200000 0x1bd000 /home/local/piglit/lib/libpiglitutil_gl.so.0 0x7f9d2e4f4000 0x7f9d2e515000 0x21000 0x1bd000 /home/local/piglit/lib/libpiglitutil_gl.so.0 0x7f9d2e515000 0x7f9d2e522000 0xd000 0x1de000 /home/local/piglit/lib/libpiglitutil_gl.so.0 0x7f9d2e522000 0x7f9d2e531000 0xf000 0x0 /usr/lib/x86_64-linux-gnu/libwaffle-1.so.0.5.2 0x7f9d2e531000 0x7f9d2e731000 0x200000 0xf000 /usr/lib/x86_64-linux-gnu/libwaffle-1.so.0.5.2 0x7f9d2e731000 0x7f9d2e732000 0x1000 0xf000 /usr/lib/x86_64-linux-gnu/libwaffle-1.so.0.5.2 0x7f9d2e732000 0x7f9d2e733000 0x1000 0x10000 /usr/lib/x86_64-linux-gnu/libwaffle-1.so.0.5.2 0x7f9d2e733000 0x7f9d2e736000 0x3000 0x0 /lib/x86_64-linux-gnu/libdl-2.23.so 0x7f9d2e736000 0x7f9d2e935000 0x1ff000 0x3000 /lib/x86_64-linux-gnu/libdl-2.23.so 0x7f9d2e935000 0x7f9d2e936000 0x1000 0x2000 /lib/x86_64-linux-gnu/libdl-2.23.so 0x7f9d2e936000 0x7f9d2e937000 0x1000 0x3000 /lib/x86_64-linux-gnu/libdl-2.23.so 0x7f9d2e937000 0x7f9d2eaf7000 0x1c0000 0x0 /lib/x86_64-linux-gnu/libc-2.23.so 0x7f9d2eaf7000 0x7f9d2ecf7000 0x200000 0x1c0000 /lib/x86_64-linux-gnu/libc-2.23.so 0x7f9d2ecf7000 0x7f9d2ecfb000 0x4000 0x1c0000 /lib/x86_64-linux-gnu/libc-2.23.so 0x7f9d2ecfb000 0x7f9d2ecfd000 0x2000 0x1c4000 /lib/x86_64-linux-gnu/libc-2.23.so 0x7f9d2ecfd000 0x7f9d2ed01000 0x4000 0x0 0x7f9d2ed01000 0x7f9d2ed06000 0x5000 0x0 /home/local/piglit/lib/libpiglitutil.so.0 0x7f9d2ed06000 0x7f9d2ef05000 0x1ff000 0x5000 /home/local/piglit/lib/libpiglitutil.so.0 0x7f9d2ef05000 0x7f9d2ef06000 0x1000 0x4000 /home/local/piglit/lib/libpiglitutil.so.0 0x7f9d2ef06000 0x7f9d2ef07000 0x1000 0x5000 /home/local/piglit/lib/libpiglitutil.so.0 0x7f9d2ef07000 0x7f9d2f03c000 0x135000 0x0 /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0 0x7f9d2f03c000 0x7f9d2f23c000 0x200000 0x135000 /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0 0x7f9d2f23c000 0x7f9d2f23d000 0x1000 0x135000 /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0 0x7f9d2f23d000 0x7f9d2f241000 0x4000 0x136000 /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0 0x7f9d2f241000 0x7f9d2f2b3000 0x72000 0x0 /usr/local/lib/libGL.so.1.2.0 0x7f9d2f2b3000 0x7f9d2f4b2000 0x1ff000 0x72000 /usr/local/lib/libGL.so.1.2.0 0x7f9d2f4b2000 0x7f9d2f4b5000 0x3000 0x71000 /usr/local/lib/libGL.so.1.2.0 0x7f9d2f4b5000 0x7f9d2f4b6000 0x1000 0x74000 /usr/local/lib/libGL.so.1.2.0 0x7f9d2f4b6000 0x7f9d2f4b7000 0x1000 0x0 0x7f9d2f4b7000 0x7f9d2f650000 0x199000 0x0 /home/local/piglit/lib/libpiglitglxutil.so.0 0x7f9d2f650000 0x7f9d2f84f000 0x1ff000 0x199000 /home/local/piglit/lib/libpiglitglxutil.so.0 0x7f9d2f84f000 0x7f9d2f86f000 0x20000 0x198000 /home/local/piglit/lib/libpiglitglxutil.so.0 0x7f9d2f86f000 0x7f9d2f87b000 0xc000 0x1b8000 /home/local/piglit/lib/libpiglitglxutil.so.0 0x7f9d2f87b000 0x7f9d2f8a1000 0x26000 0x0 /lib/x86_64-linux-gnu/ld-2.23.so 0x7f9d2f8a1000 0x7f9d2f8a8000 0x7000 0x0 0x7f9d2f8a8000 0x7f9d2fa6b000 0x1c3000 0x0 0x7f9d2fa6b000 0x7f9d2fa89000 0x1e000 0x0 /lib/x86_64-linux-gnu/libudev.so.1.6.4 0x7f9d2fa89000 0x7f9d2fa8a000 0x1000 0x1d000 /lib/x86_64-linux-gnu/libudev.so.1.6.4 0x7f9d2fa8a000 0x7f9d2fa8b000 0x1000 0x1e000 /lib/x86_64-linux-gnu/libudev.so.1.6.4 0x7f9d2fa8b000 0x7f9d2fa95000 0xa000 0x0 0x7f9d2fa95000 0x7f9d2fa96000 0x1000 0x0 0x7f9d2fa96000 0x7f9d2fa9e000 0x8000 0x0 0x7f9d2fa9e000 0x7f9d2faa0000 0x2000 0x0 0x7f9d2faa0000 0x7f9d2faa1000 0x1000 0x25000 /lib/x86_64-linux-gnu/ld-2.23.so 0x7f9d2faa1000 0x7f9d2faa2000 0x1000 0x26000 /lib/x86_64-linux-gnu/ld-2.23.so 0x7f9d2faa2000 0x7f9d2faa3000 0x1000 0x0 0x7fff51ff2000 0x7fff52013000 0x21000 0x0 [stack] 0x7fff52153000 0x7fff52156000 0x3000 0x0 [vvar] 0x7fff52156000 0x7fff52158000 0x2000 0x0 [vdso] x/16i $pc => 0x4015ed : mov -0x8(%rbp),%rax 0x4015f1 : mov %rax,%rdi 0x4015f4 : callq 0x401030 0x4015f9 : mov 0x200bc0(%rip),%rdx # 0x6021c0 0x401600 : mov 0x200bc1(%rip),%rax # 0x6021c8 0x401607 : mov %rdx,%rsi 0x40160a : mov %rax,%rdi 0x40160d : callq 0x400fc0 0x401612 : movl $0x0,-0xc(%rbp) 0x401619 : jmp 0x40163e 0x40161b : mov -0xc(%rbp),%eax 0x40161e : cltq 0x401620 : mov 0x602180(,%rax,8),%rdx 0x401628 : mov 0x200b99(%rip),%rax # 0x6021c8 0x40162f : mov %rdx,%rsi 0x401632 : mov %rax,%rdi thread apply all backtrace Thread 25 (Thread 0x7f9d0add4700 (LWP 11827)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d0add4700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 24 (Thread 0x7f9d0b5d5700 (LWP 11826)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d0b5d5700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 23 (Thread 0x7f9d0bdd6700 (LWP 11825)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d0bdd6700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 22 (Thread 0x7f9d0e090700 (LWP 11824)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d0e090700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 21 (Thread 0x7f9d0e891700 (LWP 11823)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d0e891700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 20 (Thread 0x7f9d0f092700 (LWP 11822)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d0f092700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 19 (Thread 0x7f9d1134c700 (LWP 11821)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1134c700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 18 (Thread 0x7f9d11b4d700 (LWP 11820)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d11b4d700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 17 (Thread 0x7f9d1234e700 (LWP 11819)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1234e700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 16 (Thread 0x7f9d14608700 (LWP 11818)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d14608700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 15 (Thread 0x7f9d14e09700 (LWP 11817)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d14e09700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 14 (Thread 0x7f9d1560a700 (LWP 11816)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1560a700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 13 (Thread 0x7f9d178c4700 (LWP 11815)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d178c4700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 12 (Thread 0x7f9d180c5700 (LWP 11814)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d180c5700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7f9d188c6700 (LWP 11813)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d188c6700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7f9d1ab80700 (LWP 11812)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1ab80700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7f9d1b381700 (LWP 11811)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1b381700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 8 (Thread 0x7f9d1bb82700 (LWP 11810)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1bb82700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7f9d1de3c700 (LWP 11809)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1de3c700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7f9d1e63d700 (LWP 11808)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1e63d700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7f9d1ee3e700 (LWP 11807)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d1ee3e700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7f9d210d2700 (LWP 11806)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d210d2700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7f9d218d3700 (LWP 11805)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d218d3700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7f9d220d4700 (LWP 11804)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9d2a96591c in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f9d23cb54ea in workerThreadMain (pData=) at rasterizer/core/threads.cpp:828 #3 0x00007f9d2a96ac80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f9d2bd246ba in start_thread (arg=0x7f9d220d4700) at pthread_create.c:333 #5 0x00007f9d2ea3e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7f9d2fa61780 (LWP 11803)): #0 0x00007f9d2ea217f7 in sched_yield () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f9d29023aa5 in swr_fence_finish (screen=, ctx=ctx@entry=0x0, fence_handle=0x19d6290, timeout=timeout@entry=0) at swr_fence.cpp:127 #2 0x00007f9d2900cfd4 in swr_flush_frontbuffer (p_screen=, resource=0x1e60640, level=, layer=, context_private=0x1e5fe00, sub_box=0x0) at swr_screen.cpp:1020 #3 0x00007f9d28ae64be in drisw_present_texture (sub_box=0x0, ptex=0x1e60640, dPriv=0x1e80990) at drisw.c:165 #4 drisw_copy_to_front (ptex=0x1e60640, dPriv=0x1e80990) at drisw.c:182 #5 drisw_swap_buffers (dPriv=0x1e80990) at drisw.c:209 #6 0x00007f9d2f2860e5 in driswSwapBuffers (pdraw=0x1e18d10, target_msc=, divisor=, remainder=, flush=) at drisw_glx.c:558 #7 0x0000000000401447 in draw (dpy=0x1993c20) at /home/local/piglit/tests/glx/glx-multi-context-single-window.c:110 #8 0x00007f9d2f55200e in piglit_glx_event_loop (dpy=0x1993c20, draw=0x4011e2 ) at /home/local/piglit/tests/util/piglit-glx-util.c:212 #9 0x00000000004015ed in main (argc=2, argv=0x7fff52012898) at /home/local/piglit/tests/glx/glx-multi-context-single-window.c:146