Thread 1 "X" received signal SIGABRT, Aborted.
0x00007f92458a2108 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
54      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.

(gdb) thread apply all bt

Thread 10 (Thread 0x7f9231e95700 (LWP 3218)):
#0  0x00007f9245957463 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x000000000058fc74 in ospoll_wait (ospoll=0x242c5f0, timeout=timeout@entry=-1)
    at /var/tmp/portage/x11-base/xorg-server-9999/work/xorg-server-9999/os/ospoll.c:397
#2  0x000000000058d4c6 in InputThreadDoWork (arg=<optimized out>)
    at /var/tmp/portage/x11-base/xorg-server-9999/work/xorg-server-9999/os/inputthread.c:360
#3  0x00007f9245c0f3f4 in start_thread (arg=0x7f9231e95700) at pthread_create.c:333
#4  0x00007f9245956e6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f923453d700 (LWP 3216)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f923e8f296a in util_queue_thread_func (input=<optimized out>)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_queue.c:88
#2  0x00007f923e8f2767 in util_pstipple_create_fragment_shader (tokens=0x7ffc962a918f, samplerUnitOut=0x0, fixedUnit=3, wincoordFile=0)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_pstipple.c:420
#3  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f9234d3e700 (LWP 3215)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f923e8f296a in util_queue_thread_func (input=<optimized out>)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_queue.c:88
#2  0x00007f923e8f2767 in util_pstipple_create_fragment_shader (tokens=0x7ffc962a918f, samplerUnitOut=0x0, fixedUnit=3, wincoordFile=0)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_pstipple.c:420
#3  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f923553f700 (LWP 3214)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f923e8f296a in util_queue_thread_func (input=<optimized out>)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_queue.c:88
#2  0x00007f923e8f2767 in util_pstipple_create_fragment_shader (tokens=0x7ffc962a918f, samplerUnitOut=0x0, fixedUnit=3, wincoordFile=0)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_pstipple.c:420
#3  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f9235d40700 (LWP 3213)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f923e8f296a in util_queue_thread_func (input=<optimized out>)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_queue.c:88
#2  0x00007f923e8f2767 in util_pstipple_create_fragment_shader (tokens=0x7ffc962a918f, samplerUnitOut=0x0, fixedUnit=3, wincoordFile=0)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_pstipple.c:420
#3  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f9236746700 (LWP 3212)):
---Type <return> to continue, or q <return> to quit---
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f923e8f296a in util_queue_thread_func (input=<optimized out>)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_queue.c:88
#2  0x00007f923e8f2767 in util_pstipple_create_fragment_shader (tokens=0x7ffc962a91bf, samplerUnitOut=0x0, fixedUnit=3, wincoordFile=0)
    at /var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/auxiliary/util/u_pstipple.c:420
#3  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f923fbd9700 (LWP 3211)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9240ea02c9 in ?? () from /usr/lib64/xorg/modules/drivers/intel_drv.so
#2  0x00007f9245c0f3f4 in start_thread (arg=0x7f923fbd9700) at pthread_create.c:333
#3  0x00007f9245956e6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f92403da700 (LWP 3210)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9240ea02c9 in ?? () from /usr/lib64/xorg/modules/drivers/intel_drv.so
#2  0x00007f9245c0f3f4 in start_thread (arg=0x7f92403da700) at pthread_create.c:333
#3  0x00007f9245956e6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f9240bdb700 (LWP 3209)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9240ea02c9 in ?? () from /usr/lib64/xorg/modules/drivers/intel_drv.so
#2  0x00007f9245c0f3f4 in start_thread (arg=0x7f9240bdb700) at pthread_create.c:333
#3  0x00007f9245956e6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f9247a638c0 (LWP 3173)):
#0  0x00007f92458a2108 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007f92458a358a in __GI_abort () at abort.c:89
#2  0x00007f92458dee90 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f92459d3260 "*** Error in `%s': %s: 0x%s ***\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007f92458e4706 in malloc_printerr (action=3, str=0x7f92459d3328 "double free or corruption (out)", ptr=<optimized out>, 
    ar_ptr=<optimized out>) at malloc.c:5004
#4  0x00007f92458e4efe in _int_free (av=0x7f9245c02b00 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:3865
#5  0x000000000058e7c1 in FlushClient (who=who@entry=0x2746b50, oc=oc@entry=0x26981f0, __extraBuf=__extraBuf@entry=0x7ffc962a9fa0, 
    extraCount=extraCount@entry=32) at /var/tmp/portage/x11-base/xorg-server-9999/work/xorg-server-9999/os/io.c:938
#6  0x000000000058eb2f in WriteToClient (who=who@entry=0x2746b50, count=count@entry=32, __buf=__buf@entry=0x7ffc962a9fa0)
    at /var/tmp/portage/x11-base/xorg-server-9999/work/xorg-server-9999/os/io.c:768
#7  0x000000000045589c in ProcGetProperty (client=0x2746b50) at 
/var/tmp/portage/x11-base/xorg-server-9999/work/xorg-server-9999/dix/property.c:522
#8  0x000000000043568b in Dispatch () at /var/tmp/portage/x11-base/xorg-server-9999/work/xorg-server-9999/dix/dispatch.c:469
#9  0x00000000004397c8 in dix_main (argc=10, argv=0x7ffc962aa198, envp=<optimized out>)
    at /var/tmp/portage/x11-base/xorg-server-9999/work/xorg-server-9999/dix/main.c:287
#10 0x00007f924588f680 in __libc_start_main (main=0x4236f0 <main>, argc=10, argv=0x7ffc962aa198, init=<optimized out>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7ffc962aa188) at ../csu/libc-start.c:289
---Type <return> to continue, or q <return> to quit---
#11 0x0000000000423729 in _start ()