<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - KWin crashed when Alt+Tab-ing through open windows" href="https://bugs.freedesktop.org/show_bug.cgi?id=103234#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - KWin crashed when Alt+Tab-ing through open windows" href="https://bugs.freedesktop.org/show_bug.cgi?id=103234">bug 103234</a> from <a class="email" href="mailto:subdiff@gmail.com" title="Roman Gilg <subdiff@gmail.com>"> Roman Gilg</a> <pre>GDB output near to current master (at 8d1f1ce412, later does not compile on my system at the moment): Thread 17 "gallium_drv:0" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7f67d592f700 (LWP 7986)] si_emit_draw_packets (sctx=sctx@entry=0x2c94390, info=info@entry=0x2ce22e8, indexbuf=<optimized out>, index_size=index_size@entry=2, index_offset=<optimized out>) at /home/roman/dev/mesa/src/mesa/src/gallium/drivers/radeonsi/si_state_draw.c:718 718 index_max_size = (indexbuf->width0 - index_offset) / (gdb) bt #0 si_emit_draw_packets (sctx=sctx@entry=0x2c94390, info=info@entry=0x2ce22e8, indexbuf=<optimized out>, index_size=index_size@entry=2, index_offset=<optimized out>) at /home/roman/dev/mesa/src/mesa/src/gallium/drivers/radeonsi/si_state_draw.c:718 #1 0x00007f67d4a2467d in si_draw_vbo (ctx=0x2c94390, info=0x2ce22e8) at /home/roman/dev/mesa/src/mesa/src/gallium/drivers/radeonsi/si_state_draw.c:1481 #2 0x00007f67d492f871 in tc_call_draw_vbo (pipe=<optimized out>, payload=0x2ce22e8) at /home/roman/dev/mesa/src/mesa/src/gallium/auxiliary/util/u_threaded_context.c:2012 #3 0x00007f67d492bff7 in tc_batch_execute (job=job@entry=0x2ce18f0, thread_index=thread_index@entry=0) at /home/roman/dev/mesa/src/mesa/src/gallium/auxiliary/util/u_threaded_context.c:96 #4 0x00007f67d47b529f in util_queue_thread_func (input=input@entry=0x2ad6d30) at /home/roman/dev/mesa/src/mesa/src/util/u_queue.c:271 #5 0x00007f67d47b4e27 in impl_thrd_routine (p=<optimized out>) at /home/roman/dev/mesa/src/mesa/include/c11/threads_posix.h:87 #6 0x00007f68839146ba in start_thread (arg=0x7f67d592f700) at pthread_create.c:333 #7 0x00007f688ad0c41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 (gdb) bt full #0 si_emit_draw_packets (sctx=sctx@entry=0x2c94390, info=info@entry=0x2ce22e8, indexbuf=<optimized out>, index_size=index_size@entry=2, index_offset=<optimized out>) at /home/roman/dev/mesa/src/mesa/src/gallium/drivers/radeonsi/si_state_draw.c:718 indirect = 0x0 cs = 0x2ca3a90 sh_base_reg = 45360 render_cond_bit = false index_max_size = 0 index_va = 0 __PRETTY_FUNCTION__ = "si_emit_draw_packets" #1 0x00007f67d4a2467d in si_draw_vbo (ctx=0x2c94390, info=0x2ce22e8) at /home/roman/dev/mesa/src/mesa/src/gallium/drivers/radeonsi/si_state_draw.c:1481 sctx = 0x2c94390 rs = <optimized out> indexbuf = 0x0 dirty_tex_counter = <optimized out> rast_prim = <optimized out> index_size = 2 index_offset = 0 __PRETTY_FUNCTION__ = "si_draw_vbo" #2 0x00007f67d492f871 in tc_call_draw_vbo (pipe=<optimized out>, payload=0x2ce22e8) at /home/roman/dev/mesa/src/mesa/src/gallium/auxiliary/util/u_threaded_context.c:2012 info = 0x2ce22e8 #3 0x00007f67d492bff7 in tc_batch_execute (job=job@entry=0x2ce18f0, thread_index=thread_index@entry=0) at /home/roman/dev/mesa/src/mesa/src/gallium/auxiliary/util/u_threaded_context.c:96 iter = 0x2ce22e0 batch = 0x2ce18f0 pipe = 0x2c94390 last = 0x2ce24e0 #4 0x00007f67d47b529f in util_queue_thread_func (input=input@entry=0x2ad6d30) at /home/roman/dev/mesa/src/mesa/src/util/u_queue.c:271 job = {job = 0x2ce18f0, fence = 0x2ce1908, execute = 0x7f67d492bfb0 <tc_batch_execute>, cleanup = 0x0} queue = 0x2cde788 thread_index = <optimized out> __PRETTY_FUNCTION__ = "util_queue_thread_func" #5 0x00007f67d47b4e27 in impl_thrd_routine (p=<optimized out>) at /home/roman/dev/mesa/src/mesa/include/c11/threads_posix.h:87 pack = {func = 0x7f67d47b5060 <util_queue_thread_func>, arg = 0x2ad6d30} #6 0x00007f68839146ba in start_thread (arg=0x7f67d592f700) at pthread_create.c:333 __res = <optimized out> pd = 0x7f67d592f700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140083941537536, 7002528104003647912, 0, 140728410686399, 8388608, 39522672, -6925884145858791000, -6918376651715135064}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #7 0x00007f688ad0c41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 No locals.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>