#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#1  0x00007f29af9f9535 in __GI_abort () at abort.c:79
  [Error: abort.c was not found in source tree]
#2  0x000055c50dc96d1a in OsAbort () at ../../../../os/utils.c:1350
  1345:     /* abort() raises SIGABRT, so we have to stop handling that to prevent
  1346:      * recursion
  1347:      */
  1348:     OsSignal(SIGABRT, SIG_DFL);
  1349: #endif
  1350:     abort();
  1351: }
  1352: 
  1353: #if !defined(WIN32)
  1354: /*
  1355:  * "safer" versions of system(3), popen(3) and pclose(3) which give up
#3  0x000055c50dc9c823 in AbortServer () at ../../../../os/log.c:877
  872:     OsCleanup(TRUE);
  873:     AbortDevices();
  874:     AbortDDX(EXIT_ERR_ABORT);
  875:     fflush(stderr);
  876:     if (CoreDump)
  877:         OsAbort();
  878:     exit(1);
  879: }
  880: 
  881: #define AUDIT_PREFIX "AUDIT: %s: %ld: "
  882: #ifndef AUDIT_TIMEOUT
#4  0x000055c50dc9d689 in FatalError (f=f@entry=0x55c50dcd1210 "Caught signal %d (%s). Server aborting\n") at ../../../../os/log.c:1015
  1010:     if (!beenhere)
  1011:         OsVendorFatalError(f, args2);
  1012:     va_end(args2);
  1013:     if (!beenhere) {
  1014:         beenhere = TRUE;
  1015:         AbortServer();
  1016:     }
  1017:     else
  1018:         OsAbort();
  1019:  /*NOTREACHED*/}
  1020: 
#5  0x000055c50dc94131 in OsSigHandler (signo=6, sip=<optimized out>, unused=<optimized out>) at ../../../../os/osinit.c:156
  151: #endif
  152: 
  153:     if (signo != SIGQUIT)
  154:         CoreDump = TRUE;
  155: 
  156:     FatalError("Caught signal %d (%s). Server aborting\n",
  157:                signo, strsignal(signo));
  158: }
  159: #endif /* !WIN32 || __CYGWIN__ */
  160: 
  161: #include "busfault.h"
#6  <signal handler called>
#7  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#8  0x00007f29af9f9535 in __GI_abort () at abort.c:79
  [Error: abort.c was not found in source tree]
#9  0x00007f29af9f940f in __assert_fail_base (fmt=0x7f29afb85858 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x55c50dca64bb "key->initialized", file=0x55c50dcaa9b0 "../../../../../../include/privates.h", line=121, function=<optimized out>) at assert.c:92
  [Error: assert.c was not found in source tree]
#10 0x00007f29afa09142 in __GI___assert_fail (assertion=assertion@entry=0x55c50dca64bb "key->initialized", file=file@entry=0x55c50dcaa9b0 "../../../../../../include/privates.h", line=line@entry=121, function=function@entry=0x55c50dccc0c0 <__PRETTY_FUNCTION__.13800> "dixGetPrivateAddr") at assert.c:101
  [Error: assert.c was not found in source tree]
#11 0x000055c50dc5ece3 in dixGetPrivateAddr (key=<optimized out>, key=<optimized out>, privates=0x55c50f7ba1d0) at ../../../../../../include/privates.h:121
  116:  * Otherwise, it returns the place where the private pointer is stored.
  117:  */
  118: static inline void *
  119: dixGetPrivateAddr(PrivatePtr *privates, const DevPrivateKey key)
  120: {
  121:     assert(key->initialized);
  122:     return (char *) (*privates) + key->offset;
  123: }
  124: 
  125: /*
  126:  * Fetch a private pointer stored in the object
#12 0x000055c50dc60f12 in dixGetPrivateAddr (key=<optimized out>, key=<optimized out>, privates=<optimized out>) at ../../../../../../include/privates.h:122
  117:  */
  118: static inline void *
  119: dixGetPrivateAddr(PrivatePtr *privates, const DevPrivateKey key)
  120: {
  121:     assert(key->initialized);
  122:     return (char *) (*privates) + key->offset;
  123: }
  124: 
  125: /*
  126:  * Fetch a private pointer stored in the object
  127:  *
#13 dixLookupPrivate (key=0x55c50dd3fe40 <dri2ClientPrivateKeyRec>, privates=0x55c50f7ba1d0) at ../../../../../../include/privates.h:164
  159:  */
  160: static inline void *
  161: dixLookupPrivate(PrivatePtr *privates, const DevPrivateKey key)
  162: {
  163:     if (key->size)
  164:         return dixGetPrivateAddr(privates, key);
  165:     else
  166:         return dixGetPrivate(privates, key);
  167: }
  168: 
  169: /*
#14 DRI2Authenticate (client=client@entry=0x55c51068a680, pScreen=0x55c50f7ba160, magic=1) at ../../../../../../hw/xfree86/dri2/dri2.c:1367
#15 0x000055c50dc61d2b in ProcDRI2Authenticate (client=0x55c51068a680) at ../../../../../../hw/xfree86/dri2/dri2ext.c:152
  147:     REQUEST_SIZE_MATCH(xDRI2AuthenticateReq);
  148:     if (!validDrawable(client, stuff->window, DixGetAttrAccess,
  149:                        &pDraw, &status))
  150:         return status;
  151: 
  152:     rep = (xDRI2AuthenticateReply) {
  153:         .type = X_Reply,
  154:         .sequenceNumber = client->sequence,
  155:         .length = 0,
  156:         .authenticated = DRI2Authenticate(client, pDraw->pScreen, stuff->magic)
  157:     };
#16 ProcDRI2Dispatch (client=0x55c51068a680) at ../../../../../../hw/xfree86/dri2/dri2ext.c:609
  604: 
  605:     switch (stuff->data) {
  606:     case X_DRI2Connect:
  607:         return ProcDRI2Connect(client);
  608:     case X_DRI2Authenticate:
  609:         return ProcDRI2Authenticate(client);
  610:     case X_DRI2CreateDrawable:
  611:         return ProcDRI2CreateDrawable(client);
  612:     case X_DRI2DestroyDrawable:
  613:         return ProcDRI2DestroyDrawable(client);
  614:     case X_DRI2GetBuffers:
#17 0x000055c50db3591e in Dispatch () at ../../../../dix/dispatch.c:478
  473:                 if (result > (maxBigRequestSize << 2))
  474:                     result = BadLength;
  475:                 else {
  476:                     result = XaceHookDispatch(client, client->majorOp);
  477:                     if (result == Success)
  478:                         result =
  479:                             (*client->requestVector[client->majorOp]) (client);
  480:                 }
  481:                 if (!SmartScheduleSignalEnable)
  482:                     SmartScheduleTime = GetTimeInMillis();
  483: 
#18 0x000055c50db398c6 in dix_main (argc=11, argv=0x7fffdf9815b8, envp=<optimized out>) at ../../../../dix/main.c:276
  271: 
  272:         NotifyParentProcess();
  273: 
  274:         InputThreadInit();
  275: 
  276:         Dispatch();
  277: 
  278:         UndisplayDevices();
  279:         DisableAllDevices();
  280: 
  281:         /* Now free up whatever must be freed */
#19 0x00007f29af9fb09b in __libc_start_main (main=0x55c50db23640 <main>, argc=11, argv=0x7fffdf9815b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffdf9815a8) at ../csu/libc-start.c:308
  [Error: libc-start.c was not found in source tree]
#20 0x000055c50db2367a in _start () at ../../../../../../hw/xfree86/dri2/dri2ext.c:659
  654: 
  655:     swaps(&rep.sequenceNumber);
  656: 
  657:     WriteToClient(client, sizeof(xDRI2ConnectReply), &rep);
  658: 
  659:     return Success;
  660: }
  661: 
  662: static int _X_COLD
  663: SProcDRI2Dispatch(ClientPtr client)
  664: {