#0  0x00007fb02fe23037 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 1056
        selftid = 1056
#1  0x00007fb02fe26698 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fff8ae5eab0, sa_sigaction = 0x7fff8ae5eab0}, sa_mask = {__val = {140394764597360, 140735523709944, 140394728434837, 5, 0, 0, 140394694126824, 1, 140735523709944, 140394762550656, 140394728462117, 0, 18446744073709551615, 140394735032640, 140735523709728, 0}}, sa_flags = 0, sa_restorer = 0x7fb032094980}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fb03226877e in OsAbort () at ../../os/utils.c:1299
No locals.
#3  0x00007fb032154bbc in ddxGiveUp (error=EXIT_ERR_ABORT) at ../../../../hw/xfree86/common/xf86Init.c:1099
        i = <optimized out>
#4  0x00007fb03226d682 in AbortServer () at ../../os/log.c:767
No locals.
#5  0x00007fb03226e388 in FatalError (f=f@entry=0x7fb032297e48 "Caught signal %d (%s). Server aborting\n") at ../../os/log.c:908
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff8ae5e4e0, reg_save_area = 0x7fff8ae5e410}}
        args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7fff8ae5e4e0, reg_save_area = 0x7fff8ae5e410}}
        beenhere = 1
#6  0x00007fb0322665ac in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../../os/osinit.c:147
        unused = <optimized out>
        sip = <optimized out>
        signo = 11
#7  <signal handler called>
No locals.
#8  has_offload_slaves (sna=<optimized out>) at ../../../src/sna/sna_accel.c:14150
        screen = <optimized out>
        dirty = <optimized out>
#9  0x00007fb02e776514 in start_flush (scanout=0x7fb033f33d80, sna=0x7fb031fdd000) at ../../../src/sna/sna_accel.c:14187
No locals.
#10 sna_accel_do_flush (sna=0x7fb031fdd000) at ../../../src/sna/sna_accel.c:14251
        interval = 32
#11 sna_accel_block_handler (sna=0x7fb031fdd000, tv=0x7fff8ae5ea98) at ../../../src/sna/sna_accel.c:14789
No locals.
#12 0x00007fb032119db4 in BlockHandler (pTimeout=pTimeout@entry=0x7fff8ae5ea98, pReadmask=pReadmask@entry=0x7fb0324fe420 <LastSelectMask>) at ../../dix/dixutils.c:387
        i = 0
        j = <optimized out>
#13 0x00007fb03225fd34 in WaitForSomething (pClientsReady=pClientsReady@entry=0x7fb034127870) at ../../os/WaitFor.c:210
        i = <optimized out>
        waittime = {tv_sec = 82, tv_usec = 560000}
        wt = 0x7fff8ae5eaa0
        timeout = <optimized out>
        clientsReadable = {fds_bits = {0 <repeats 16 times>}}
        clientsWritable = {fds_bits = {1, 0, 288, 4, 0, 0, 0, 0, 223338299408, 472446402651, 532575944823, 206158430224, 140735523712112, 140735523711904, 140394735023024, 140394695088262}}
        selecterr = <optimized out>
        nready = 0
        devicesReadable = {fds_bits = {26, 140393890971649, 140735523712064, 256, 140394765269120, 140394732363671, 256, 140394765269120, 0, 140394732345229, 0, 0, 0, 140394765269280, 140735523712064, 1099511889052}}
        now = <optimized out>
        someReady = 0
#14 0x00007fb032115ac1 in Dispatch () at ../../dix/dispatch.c:361
        clientReady = 0x7fb034127870
        result = <optimized out>
        client = <optimized out>
        nready = <optimized out>
        icheck = 0x7fb0324f73f0 <checkForInput>
        start_tick = <optimized out>
#15 0x00007fb03210535a in main (argc=11, argv=0x7fff8ae5eea8, envp=<optimized out>) at ../../dix/main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}