.
Thread 6 (Thread 0x7f0ed86c8700 (LWP 2153)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f0eff0165a7 in ?? ()
No symbol table info available.
#2  0x0000000000000034 in ?? ()
No symbol table info available.
#3  0x000000000de61769 in ?? ()
No symbol table info available.
#4  0x000000000000000e in ?? ()
No symbol table info available.
#5  0x000000003b9ac1df in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 0x7f0ee7fff700 (LWP 1671)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0eeea87d9b in cnd_wait (mtx=0x19fe968, cond=0x19fe990) at ../../../../../../../include/c11/threads_posix.h:154
No locals.
#2  pipe_semaphore_wait (sema=0x19fe968) at ../../../../../../../src/gallium/auxiliary/os/os_thread.h:248
No locals.
#3  radeon_drm_cs_emit_ioctl (param=param@entry=0x19fe660) at ../../../../../../../src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:548
        ws = 0x19fe660
        cs = <optimized out>
        i = <optimized out>
#4  0x00007f0eeea874e7 in impl_thrd_routine (p=<optimized out>) at ../../../../../../../include/c11/threads_posix.h:87
        pack = {func = 0x7f0eeea87c60 <radeon_drm_cs_emit_ioctl>, arg = 0x19fe660}
#5  0x00007f0efe9640a5 in start_thread (arg=0x7f0ee7fff700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f0ee7fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139701998581504, 1109590126291521421, 0, 0, 139701998582208, 139701998581504, -1046029558607573107, -1045974775417466995}, 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"
#6  0x00007f0f0058984d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 4 (Thread 0x7f0ef5b1d700 (LWP 1660)):
#0  0x00007f0f0057f39d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0efefd1ea4 in ?? ()
No symbol table info available.
#2  0x00007f0ef001223c in ?? ()
No symbol table info available.
#3  0x0000000100000000 in ?? ()
No symbol table info available.
#4  0xffffffff7fffffff in ?? ()
No symbol table info available.
#5  0xf6e3230a80b9df00 in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f0efcd44700 (LWP 1644)):
#0  0x00007f0f0057f39d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0efefd1ea4 in ?? ()
No symbol table info available.
#2  0x0000000000000005 in ?? ()
No symbol table info available.
#3  0x0000000100000000 in ?? ()
No symbol table info available.
#4  0x000010277fffffff in ?? ()
No symbol table info available.
#5  0xf6e3230a80b9df00 in ?? ()
No symbol table info available.
#6  0x0000000000000001 in ?? ()
No symbol table info available.
#7  0x000000000195f800 in ?? ()
No symbol table info available.
#8  0x0000000000000001 in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f0ef631e700 (LWP 1659)):
#0  0x00007f0f0057f39d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0efefd1ea4 in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f0f0122d7c0 (LWP 1622)):
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007f0efdbe2245 in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.