<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Kerbal Space Program freezes randomly when DRI3 is enabled" href="https://bugs.freedesktop.org/show_bug.cgi?id=97890#c3">Comment # 3</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Kerbal Space Program freezes randomly when DRI3 is enabled" href="https://bugs.freedesktop.org/show_bug.cgi?id=97890">bug 97890</a> from <a class="email" href="mailto:jajcus@jajcus.net" title="Jacek Konieczny <jajcus@jajcus.net>"> Jacek Konieczny</a> <pre>Ok, managed to check it right now: > When the game freezes, if you do "strace -f -p PID", is the game still active? Yes, shows a lot of I/O on some pipes and sockets. > If you attach to it with Gdb, where it's stuck: > $ gdb /proc/$(pidof KSP.x86_64)/exe $(pidof KSP.x86_64) > (gdb) info threads (gdb) info threads Id Target Id Frame 37 Thread 0x7fb8dbf54700 (LWP 27994) "KSP.x86_64" 0x00007fb8db8d4478 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 36 Thread 0x7fb8d462b700 (LWP 27995) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 35 Thread 0x7fb8cffff700 (LWP 27996) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 34 Thread 0x7fb8c7fff700 (LWP 27997) "KSP.x86_64" 0x00007fb8db8d40cf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 33 Thread 0x7fb8c77fe700 (LWP 27998) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 32 Thread 0x7fb8c6ffd700 (LWP 27999) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 31 Thread 0x7fb8c67fc700 (LWP 28000) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 30 Thread 0x7fb8c5ffb700 (LWP 28001) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 29 Thread 0x7fb8c57fa700 (LWP 28002) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 28 Thread 0x7fb8c4ff9700 (LWP 28003) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 27 Thread 0x7fb8abfff700 (LWP 28004) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 26 Thread 0x7fb8ab7fe700 (LWP 28005) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 25 Thread 0x7fb8aaffd700 (LWP 28006) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 24 Thread 0x7fb8aa7fc700 (LWP 28007) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 23 Thread 0x7fb8a9ffb700 (LWP 28008) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 22 Thread 0x7fb8a97fa700 (LWP 28009) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 21 Thread 0x7fb8a8ff9700 (LWP 28010) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 20 Thread 0x7fb89ffff700 (LWP 28011) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 19 Thread 0x7fb89f7fe700 (LWP 28012) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 18 Thread 0x7fb89effd700 (LWP 28013) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 17 Thread 0x7fb89e7fc700 (LWP 28014) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 16 Thread 0x7fb89dffb700 (LWP 28015) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 15 Thread 0x7fb89d7fa700 (LWP 28016) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 14 Thread 0x7fb89cff9700 (LWP 28017) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 13 Thread 0x7fb87ffff700 (LWP 28018) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 12 Thread 0x7fb87f7fe700 (LWP 28019) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 11 Thread 0x7fb87effd700 (LWP 28020) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 10 Thread 0x7fb87e7fc700 (LWP 28021) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 9 Thread 0x7fb87dffb700 (LWP 28022) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 8 Thread 0x7fb87d7fa700 (LWP 28023) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 7 Thread 0x7fb87cff9700 (LWP 28024) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 6 Thread 0x7fb857fff700 (LWP 28028) "threaded-ml" 0x00007fb8da21628d in poll () from /lib64/libc.so.6 5 Thread 0x7fb8cc11d700 (LWP 28029) "KSP.x86_64" 0x00007fb8db8d40b7 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 4 Thread 0x7fb8cc111700 (LWP 28030) "KSP.x86_64" 0x00007fb8da1eeb7d in nanosleep () from /lib64/libc.so.6 3 Thread 0x7fb8c408e700 (LWP 28033) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 2 Thread 0x7fb83445a700 (LWP 28693) "KSP.x86_64" 0x00007fb8da1eeb7d in nanosleep () from /lib64/libc.so.6 * 1 Thread 0x7fb8dc0d7800 (LWP 27991) "KSP.x86_64" 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 > (gdb) bt Nothing interesting: (gdb) bt #0 0x00007fb8db8d6597 in do_futex_wait.constprop () from /lib64/libpthread.so.0 #1 0x00007fb8db8d6644 in __new_sem_wait_slow.constprop.0 () from /lib64/libpthread.so.0 #2 0x0000000000f08819 in ?? () #3 0x0000000000f02d27 in ?? () #4 0x00000000007c8f73 in ?? () #5 0x00000000004661bb in ?? () #6 0x00007fb8da1567a0 in __libc_start_main () from /lib64/libc.so.6 #7 0x000000000046f695 in ?? () #8 0x00007ffc7cecdc28 in ?? () #9 0x000000000000001c in ?? () #10 0x0000000000000001 in ?? () #11 0x00007ffc7cecfec1 in ?? () #12 0x0000000000000000 in ?? () I guess the most interesting part will be this fragment from 'thread apply all bt': Thread 34 (Thread 0x7fb8c7fff700 (LWP 27997)): #0 0x00007fb8db8d40cf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fb8d845fb7f in ?? () from /home/users/jajcus/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fb8d8461002 in xcb_wait_for_special_event () from /home/users/jajcus/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fb8db49aea7 in ?? () from /usr/lib64/libGL.so.1 #4 0x00007fb8db49bc70 in ?? () from /usr/lib64/libGL.so.1 #5 0x00007fb8cf2f3a7d in intel_update_image_buffers (drawable=0x2b61970, brw=0x2d05de8) at brw_context.c:1682 #6 intel_update_renderbuffers (context=context@entry=0x3883020, drawable=drawable@entry=0x2b61970) at brw_context.c:1397 #7 0x00007fb8cf2f3ee1 in intel_prepare_render (brw=brw@entry=0x2d05de8) at brw_context.c:1418 #8 0x00007fb8cf2e6da0 in brw_clear (ctx=0x2d05de8, mask=50) at brw_clear.c:232 #9 0x0000000000f0dd91 in ?? () #10 0x0000000000f1111f in ?? () #11 0x0000000000f077c7 in ?? () #12 0x00000000008e4f08 in ?? () #13 0x00007fb8db8ce46d in start_thread () from /lib64/libpthread.so.0 #14 0x00007fb8da21f65d in clone () from /lib64/libc.so.6 #15 0x0000000000000000 in ?? () Maybe, I should try removing '/home/users/jajcus/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/usr/lib/x86_64-linux-gnu/libxcb.so.1', in case libxcb from Steam Runtime is broken?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>