#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  0x00007fb8797ad859 in __GI_abort () at abort.c:79
  [Error: abort.c was not found in source tree]
#2  0x000055e01fe03940 in OsAbort () at ../../../../os/utils.c:1351
  1346:     /* abort() raises SIGABRT, so we have to stop handling that to prevent
  1347:      * recursion
  1348:      */
  1349:     OsSignal(SIGABRT, SIG_DFL);
  1350: #endif
  1351:     abort();
  1352: }
  1353: 
  1354: #if !defined(WIN32)
  1355: /*
  1356:  * "safer" versions of system(3), popen(3) and pclose(3) which give up
#3  0x000055e01fe09579 in AbortServer () at ../../../../os/log.c:879
  874:     OsCleanup(TRUE);
  875:     AbortDevices();
  876:     AbortDDX(EXIT_ERR_ABORT);
  877:     fflush(stderr);
  878:     if (CoreDump)
  879:         OsAbort();
  880:     exit(1);
  881: }
  882: 
  883: #define AUDIT_PREFIX "AUDIT: %s: %ld: "
  884: #ifndef AUDIT_TIMEOUT
#4  0x000055e01fe0a3da in FatalError (f=f@entry=0x55e01fe3e230 "Caught signal %d (%s). Server aborting\n") at ../../../../os/log.c:1017
  1012:     if (!beenhere)
  1013:         OsVendorFatalError(f, args2);
  1014:     va_end(args2);
  1015:     if (!beenhere) {
  1016:         beenhere = TRUE;
  1017:         AbortServer();
  1018:     }
  1019:     else
  1020:         OsAbort();
  1021:  /*NOTREACHED*/}
  1022: 
#5  0x000055e01fe00c89 in OsSigHandler (unused=<optimized out>, sip=0x7fffd7ef79f0, signo=6) 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  OsSigHandler (signo=6, sip=0x7fffd7ef79f0, unused=<optimized out>) at ../../../../os/osinit.c:110
  105:  *    Catch unexpected signals and exit or continue cleanly.
  106:  */
  107: #if !defined(WIN32) || defined(__CYGWIN__)
  108: static void
  109: #ifdef SA_SIGINFO
  110: OsSigHandler(int signo, siginfo_t * sip, void *unused)
  111: #else
  112: OsSigHandler(int signo)
  113: #endif
  114: {
  115: #ifdef RTLD_DI_SETSIGNAL
#7  <signal handler called>
#8  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#9  0x00007fb8797ad859 in __GI_abort () at abort.c:79
  [Error: abort.c was not found in source tree]
#10 0x00007fb8779c53ac in _iris_batch_flush.cold () from /tmp/apport_sandbox_wp79yx1l/usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#11 0x00007fb8783b4537 in iris_fence_flush () from /tmp/apport_sandbox_wp79yx1l/usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#12 0x00007fb8779f0738 in st_glFlush () from /tmp/apport_sandbox_wp79yx1l/usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#13 0x00007fb8718f959a in dri2_make_current (drv=0x55e021e3b350, disp=0x55e021e3a870, dsurf=0x0, rsurf=0x0, ctx=<optimized out>) at ../src/egl/drivers/dri2/egl_dri2.c:1753
  [Error: egl_dri2.c was not found in source tree]
#14 0x00007fb8718e83bd in eglMakeCurrent (dpy=0x55e021e3a870, draw=<optimized out>, read=0x0, ctx=<optimized out>) at ../src/egl/main/eglapi.c:884
  [Error: eglapi.c was not found in source tree]
#15 0x00007fb871923d6c in InternalLoseCurrent () at ../src/EGL/libegl.c:867
  [Error: libegl.c was not found in source tree]
#16 0x00007fb879135720 in glamor_egl_make_current (glamor_ctx=0x55e021ea80d0) at ../../../../../../glamor/glamor_egl.c:86
  81:      * and AIGLX's direct dispatch table manipulation don't talk to
  82:      * each other.  We need to set the context to NULL first to avoid
  83:      * EGL's no-op context change fast path when switching back to
  84:      * EGL.
  85:      */
  86:     eglMakeCurrent(glamor_ctx->display, EGL_NO_SURFACE,
  87:                    EGL_NO_SURFACE, EGL_NO_CONTEXT);
  88: 
  89:     if (!eglMakeCurrent(glamor_ctx->display,
  90:                         EGL_NO_SURFACE, EGL_NO_SURFACE,
  91:                         glamor_ctx->ctx)) {
#17 0x00007fb8791382ed in glamor_make_current (glamor_priv=0x55e021ea5120) at ../../../../glamor/glamor_utils.h:732
  727: static inline void
  728: glamor_make_current(glamor_screen_private *glamor_priv)
  729: {
  730:     if (lastGLContext != glamor_priv->ctx.ctx) {
  731:         lastGLContext = glamor_priv->ctx.ctx;
  732:         glamor_priv->ctx.make_current(&glamor_priv->ctx);
  733:     }
  734: }
  735: 
  736: static inline BoxRec
  737: glamor_no_rendering_bounds(void)
#18 glamor_init (screen=screen@entry=0x55e021cad590, flags=flags@entry=1) at ../../../../glamor/glamor.c:494
  489:     } else {
  490:         if (!glamor_glx_screen_init(&glamor_priv->ctx))
  491:             goto fail;
  492:     }
  493: 
  494:     glamor_make_current(glamor_priv);
  495: 
  496:     if (epoxy_is_desktop_gl())
  497:         glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP;
  498:     else
  499:         glamor_priv->gl_flavor = GLAMOR_GL_ES2;
#19 0x00007fb87a2f2aad in drmmode_init (pScrn=pScrn@entry=0x55e021cae370, drmmode=drmmode@entry=0x55e021caef30) at ../../../../../../../hw/xfree86/drivers/modesetting/drmmode_display.c:3434
  3429: {
  3430: #ifdef GLAMOR_HAS_GBM
  3431:     ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
  3432: 
  3433:     if (drmmode->glamor) {
  3434:         if (!glamor_init(pScreen, GLAMOR_USE_EGL_SCREEN)) {
  3435:             return FALSE;
  3436:         }
  3437: #ifdef GBM_BO_WITH_MODIFIERS
  3438:         glamor_set_drawable_modifiers_func(pScreen, get_drawable_modifiers);
  3439: #endif
#20 0x00007fb87a2ead5e in ScreenInit (pScreen=0x55e021cad590, argc=<optimized out>, argv=<optimized out>) at ../../../../../../../hw/xfree86/drivers/modesetting/driver.c:1639
  1634:         }
  1635:     }
  1636: 
  1637:     fbPictureInit(pScreen, NULL, 0);
  1638: 
  1639:     if (drmmode_init(pScrn, &ms->drmmode) == FALSE) {
  1640:         xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
  1641:                    "Failed to initialize glamor at ScreenInit() time.\n");
  1642:         return FALSE;
  1643:     }
  1644: 
#21 0x000055e01fca017b in AddScreen (pfnInit=pfnInit@entry=0x55e01fcdf6e0 <xf86ScreenInit>, argc=argc@entry=12, argv=argv@entry=0x7fffd7ef8768) at ../../../../dix/dispatch.c:3918
  3913:        any of the strings pointed to by argv.  They may be passed to
  3914:        multiple screens.
  3915:      */
  3916:     screenInfo.screens[i] = pScreen;
  3917:     screenInfo.numScreens++;
  3918:     if (!(*pfnInit) (pScreen, argc, argv)) {
  3919:         dixFreeScreenSpecificPrivates(pScreen);
  3920:         dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN);
  3921:         free(pScreen);
  3922:         screenInfo.numScreens--;
  3923:         return -1;
#22 0x000055e01fce1298 in InitOutput (pScreenInfo=pScreenInfo@entry=0x55e01feb99e0 <screenInfo>, argc=argc@entry=12, argv=argv@entry=0x7fffd7ef8768) at ../../../../../../hw/xfree86/common/xf86Init.c:735
  730:         xf86Screens[i]->DPMSSet = NULL;
  731:         xf86Screens[i]->LoadPalette = NULL;
  732:         xf86Screens[i]->SetOverscan = NULL;
  733:         xf86Screens[i]->DriverFunc = NULL;
  734:         xf86Screens[i]->pScreen = NULL;
  735:         scr_index = AddScreen(xf86ScreenInit, argc, argv);
  736:         xf86VGAarbiterUnlock(xf86Screens[i]);
  737:         if (scr_index == i) {
  738:             /*
  739:              * Hook in our ScrnInfoRec, and initialise some other pScreen
  740:              * fields.
#23 0x000055e01fca3db4 in dix_main (argc=12, argv=0x7fffd7ef8768, envp=<optimized out>) at ../../../../dix/main.c:193
  188:         InitEvents();
  189:         xfont2_init_glyph_caching();
  190:         dixResetRegistry();
  191:         InitFonts();
  192:         InitCallbackManager();
  193:         InitOutput(&screenInfo, argc, argv);
  194: 
  195:         if (screenInfo.numScreens < 1)
  196:             FatalError("no screens found");
  197:         InitExtensions(argc, argv);
  198: 
#24 0x00007fb8797af0b3 in __libc_start_main (main=0x55e01fc8da00 <main>, argc=12, argv=0x7fffd7ef8768, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd7ef8758) at ../csu/libc-start.c:308
  [Error: libc-start.c was not found in source tree]
#25 0x000055e01fc8da3e in _start ()