.
Thread 3 (LWP 3483):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f62bae7a401 in __run__ (arg=0x7f62c08c0110) at ../../../src/sna/sna_threads.c:57
        t = 0x7f62c08c0110
        signals = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#2  0x00007f62bd88ef8e in start_thread (arg=0x7f62b9da8700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f62b9da8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140062001628928, 9072513064856646596, 0, 140062079078496, 140062063429440, 4096, -8994399682943847484, -8994408079031209020}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007f62bc5abe1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 3482):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f62bae7a401 in __run__ (arg=0x7f62c08c00a0) at ../../../src/sna/sna_threads.c:57
        t = 0x7f62c08c00a0
        signals = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#2  0x00007f62bd88ef8e in start_thread (arg=0x7f62ba5a9700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f62ba5a9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140062010021632, 9072513064856646596, 0, 140062079078496, 140062063429440, 4096, -8994394181627612220, -8994408079031209020}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007f62bc5abe1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 3480):
#0  0x00007f62bc4e9037 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 3480
        selftid = 3480
#1  0x00007f62bc4ec698 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f62bebc7fe0 <displayfd>, sa_sigaction = 0x7f62bebc7fe0 <displayfd>}, sa_mask = {__val = {140062083544680, 140734885536520, 140062076898453, 5, 0, 0, 140062042590440, 140062080873250, 140734885536520, 140062079379624, 140062076925733, 0, 140062042788592, 140062083516352, 140734885536320, 0}}, sa_flags = -1099585152, sa_restorer = 0x7f62be75a980}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f62be93242e in OsAbort () at ../../os/utils.c:1266
No locals.
#3  0x00007f62be9371c3 in AbortServer () at ../../os/log.c:655
No locals.
#4  0x00007f62be937978 in FatalError (f=f@entry=0x7f62be93b322 "no screens found") at ../../os/log.c:793
        args = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7fff64dc23f0, reg_save_area = 0x7fff64dc2320}}
        args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7fff64dc23f0, reg_save_area = 0x7fff64dc2320}}
        beenhere = 1
#5  0x00007f62be7ce882 in main (argc=9, argv=0x7fff64dc2538, envp=<optimized out>) at ../../dix/main.c:207
        i = <optimized out>
        alwaysCheckForInput = {0, 1}