backtrace by apport-retrace
crash buntu:/var/crash# apport-retrace --stdout
/var/crash/_usr_lib_xorg_Xorg.0.c
gpgv: Signature made Tue 01 Nov 2016 04:15:19 PM CST using RSA key ID A88984DC
gpgv: Can't check signature: public key not found
dpkg-source: warning: failed to verify signature on
./xorg-server_1.18.4-0ubuntu0.2.dsc
dpkg-source: info: extracting xorg-server in xorg-server-1.18.4
dpkg-source: info: unpacking xorg-server_1.18.4.orig.tar.gz
dpkg-source: info: applying xorg-server_1.18.4-0ubuntu0.2.diff.gz
dpkg-source: info: upstream files that have been modified:
xorg-server-1.18.4/.dir-locals.el
xorg-server-1.18.4/ChangeLog
xorg-server-1.18.4/config/dbus-api
xorg-server-1.18.4/damageext/damageext.h
xorg-server-1.18.4/doc/c-extensions
xorg-server-1.18.4/dri3/dri3int.h
xorg-server-1.18.4/fix-miregion
xorg-server-1.18.4/fix-miregion-private
xorg-server-1.18.4/fix-patch-whitespace
xorg-server-1.18.4/fix-region
xorg-server-1.18.4/hw/kdrive/Xkdrive.man
xorg-server-1.18.4/hw/kdrive/fbdev/Xfbdev.man
xorg-server-1.18.4/hw/xfree86/os-support/shared/platform_noop.c
xorg-server-1.18.4/hw/xquartz/GL/glcontextmodes.c
xorg-server-1.18.4/hw/xquartz/GL/glcontextmodes.h
xorg-server-1.18.4/hw/xwin/winclipboard/internal.h
xorg-server-1.18.4/xkb/XKM_file_format.txt
W: Can't drop privileges for downloading as file
'xorg-server_1.18.4-0ubuntu0.2.dsc' couldn't be accessed by user '_apt'. -
pkgAcquire::Run (13: Permission denied)
--- stack trace ---
#0 0x0000ffff9220b528 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
_sys_result = 0
pd = 0xffff91fa7000
pid = 7478
selftid = 7478
#1 0x0000ffff9220c9e0 in __GI_abort () at abort.c:89
save_stage = 2
act = {__sigaction_handler = {sa_handler = 0xa6530de400000000,
sa_sigaction = 0xa6530de400000000}, sa_mask = {__val = {2676586395008836901,
2676586395008836901, 2594, 6730122966621824347, 32, 2910292295676945778,
18446744073709486080, 0, 18446744073709551360, 0, 4616194021471027200, 1024,
4616194021471028224, 0, 4616194021471028225, 4616194021471028225}}, sa_flags =
-1054354032, sa_restorer = 0xaaaac122fa28 <System>}
sigs = {__val = {32, 0 <repeats 15 times>}}
#2 0x0000aaaac122fa28 in OsAbort () at ../../os/utils.c:1408
No locals.
#3 0x0000aaaac1116364 in ddxGiveUp (error=error@entry=EXIT_ERR_ABORT) at
../../../../hw/xfree86/common/xf86Init.c:1102
i = <optimized out>
#4 0x0000aaaac111643c in AbortDDX (error=error@entry=EXIT_ERR_ABORT) at
../../../../hw/xfree86/common/xf86Init.c:1146
i = <optimized out>
#5 0x0000aaaac12358e0 in AbortServer () at ../../os/log.c:874
No locals.
#6 0x0000aaaac1236624 in FatalError (f=f@entry=0xaaaac1266988 "Caught signal
%d (%s). Server aborting\n") at ../../os/log.c:1015
args = {__stack = 0xffffd085b680, __gr_top = 0xffffd085b680, __vr_top =
0xffffd085b640, __gr_offs = -56, __vr_offs = -128}
args2 = {__stack = 0xffffd085b680, __gr_top = 0xffffd085b680, __vr_top
= 0xffffd085b640, __gr_offs = -56, __vr_offs = -128}
beenhere = 1
#7 0x0000aaaac122d294 in OsSigHandler (signo=11, sip=0xffffd085b6a0,
unused=<optimized out>) at ../../os/osinit.c:150
unused = <optimized out>
sip = 0xffffd085b6a0
signo = 11
#8 <signal handler called>
No symbol table info available.
#9 0x0000aaaac1192254 in RRSetChanged (pScreen=<optimized out>) at
../../randr/randr.c:562
master = <optimized out>
mastersp = 0x0
#10 0x0000aaaac119654c in RRScreenSetSizeRange
(pScreen=pScreen@entry=0xaaab00cd7860, minWidth=<optimized out>,
minHeight=<optimized out>, maxWidth=<optimized out>, maxHeight=<optimized out>)
at ../../randr/rrinfo.c:228
No locals.
#11 0x0000aaaac11510d4 in xf86RandR12CreateScreenResources12
(pScreen=0xaaab00cd7860) at ../../../../hw/xfree86/modes/xf86RandR12.c:1649
c = <optimized out>
pScrn = <optimized out>
config = 0xaaab00d02f50
#12 xf86RandR12CreateScreenResources (pScreen=pScreen@entry=0xaaab00cd7860) at
../../../../hw/xfree86/modes/xf86RandR12.c:833
pScrn = 0xaaab00cd0fd0
config = <optimized out>
c = <optimized out>
width = <optimized out>
height = <optimized out>
mmWidth = <optimized out>
mmHeight = <optimized out>
#13 0x0000aaaac1144bbc in xf86CrtcCreateScreenResources (screen=0xaaab00cd7860)
at ../../../../hw/xfree86/modes/xf86Crtc.c:719
screen = 0xaaab00cd7860
scrn = <optimized out>
#14 0x0000aaaac10d5cf0 in dix_main (argc=1, argv=0xffffd085cbb8,
envp=<optimized out>) at ../../dix/main.c:215
pScreen = 0xaaab00cd7860
i = 0
alwaysCheckForInput = {0, 1}
#15 0x0000ffff921f98a0 in __libc_start_main (main=0x0, argc=0, argv=0x0,
init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=<optimized out>) at libc-start.c:291
self = <optimized out>
result = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {187650361516128, 0, 0, 0,
0, 0, 0, 0, 0, 0, 281474180172400, 3655814494272476266, 129,
3655814493156378226, 0, 0, 0, 0, 0, 0, 0, 0}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0xaaaac127d120, 0xaaaac10bfce8 <_start+52>}, data = {prev = 0x0,
cleanup = 0x0, canceltype = -1054355168}}}
not_first_call = <optimized out>
#16 0x0000aaaac10bfce8 in _start ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
--- source code stack trace ---
#0 0x0000ffff9220b528 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
[Error: raise.c was not found in source tree]
#1 0x0000ffff9220c9e0 in __GI_abort () at abort.c:89
[Error: abort.c was not found in source tree]
#2 0x0000aaaac122fa28 in OsAbort () at ../../os/utils.c:1408
1403: OsAbort(void)
1404: {
1405: #ifndef __APPLE__
1406: OsBlockSignals();
1407: #endif
1408: abort();
1409: }
1410:
1411: #if !defined(WIN32)
1412: /*
1413: * "safer" versions of system(3), popen(3) and pclose(3) which give up
#3 0x0000aaaac1116364 in ddxGiveUp (error=error@entry=EXIT_ERR_ABORT) at
../../../../hw/xfree86/common/xf86Init.c:1102
1097: */
1098: xf86VGAarbiterLock(xf86Screens[i]);
1099: (xf86Screens[i]->LeaveVT) (xf86Screens[i]);
1100: xf86VGAarbiterUnlock(xf86Screens[i]);
1101: }
1102: }
1103:
1104: xf86AccessLeave();
1105:
1106: /*
1107: * This is needed for an abnormal server exit, since the normal
exit stuff
#4 0x0000aaaac111643c in AbortDDX (error=error@entry=EXIT_ERR_ABORT) at
../../../../hw/xfree86/common/xf86Init.c:1146
1141: {
1142: int save = xf86LogVerbose;
1143:
1144: xf86LogVerbose = verb;
1145: LogSetParameter(XLOG_FILE_VERBOSITY, verb);
1146: return save;
1147: }
1148:
1149: static void
1150: xf86PrintDefaultModulePath(void)
1151: {
#5 0x0000aaaac12358e0 in AbortServer () at ../../os/log.c:874
869: XF86BigfontCleanup();
870: #endif
871: CloseWellKnownConnections();
872: OsCleanup(TRUE);
873: AbortDevices();
874: AbortDDX(EXIT_ERR_ABORT);
875: fflush(stderr);
876: if (CoreDump)
877: OsAbort();
878: exit(1);
879: }
#6 0x0000aaaac1236624 in FatalError (f=f@entry=0xaaaac1266988 "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:
#7 0x0000aaaac122d294 in OsSigHandler (signo=11, sip=0xffffd085b6a0,
unused=<optimized out>) at ../../os/osinit.c:150
145: ErrorFSigSafe("%s at address %p\n", strsignal(signo),
sip->si_addr);
146: }
147: }
148: #endif
149:
150: FatalError("Caught signal %d (%s). Server aborting\n",
151: signo, strsignal(signo));
152: }
153: #endif /* !WIN32 || __CYGWIN__ */
154:
155: #include "busfault.h"
#8 <signal handler called>
#9 0x0000aaaac1192254 in RRSetChanged (pScreen=<optimized out>) at
../../randr/randr.c:562
557: else {
558: master = pScreen;
559: mastersp = pScrPriv;
560: }
561:
562: mastersp->changed = TRUE;
563: }
564:
565: /*
566: * Something changed; send events and adjust pointer position
567: */
#10 0x0000aaaac119654c in RRScreenSetSizeRange
(pScreen=pScreen@entry=0xaaab00cd7860, minWidth=<optimized out>,
minHeight=<optimized out>, maxWidth=<optimized out>, maxHeight=<optimized out>)
at ../../randr/rrinfo.c:228
223:
224: pScrPriv->minWidth = minWidth;
225: pScrPriv->minHeight = minHeight;
226: pScrPriv->maxWidth = maxWidth;
227: pScrPriv->maxHeight = maxHeight;
228: RRSetChanged(pScreen);
229: pScrPriv->configChanged = TRUE;
230: }
231:
232: #ifdef RANDR_10_INTERFACE
233: static Bool
#11 0x0000aaaac11510d4 in xf86RandR12CreateScreenResources12
(pScreen=0xaaab00cd7860) at ../../../../hw/xfree86/modes/xf86RandR12.c:1649
1644: /*
1645: * Something happened within the screen configuration due
1646: * to DGA, VidMode or hot key. Tell RandR
1647: */
1648:
1649: void
1650: xf86RandR12TellChanged(ScreenPtr pScreen)
1651: {
1652: ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1653: xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
1654: int c;
#12 xf86RandR12CreateScreenResources (pScreen=pScreen@entry=0xaaab00cd7860) at
../../../../hw/xfree86/modes/xf86RandR12.c:833
828: randrp->virtualX = pScrn->virtualX;
829: randrp->virtualY = pScrn->virtualY;
830: }
831: xf86CrtcSetScreenSubpixelOrder(pScreen);
832: #if RANDR_12_INTERFACE
833: if (xf86RandR12CreateScreenResources12(pScreen))
834: return TRUE;
835: #endif
836: return TRUE;
837: }
838:
#13 0x0000aaaac1144bbc in xf86CrtcCreateScreenResources (screen=0xaaab00cd7860)
at ../../../../hw/xfree86/modes/xf86Crtc.c:719
714: screen->CreateScreenResources = config->CreateScreenResources;
715:
716: if (!(*screen->CreateScreenResources) (screen))
717: return FALSE;
718:
719: if (!xf86RandR12CreateScreenResources(screen))
720: return FALSE;
721:
722: return TRUE;
723: }
724:
#14 0x0000aaaac10d5cf0 in dix_main (argc=1, argv=0xffffd085cbb8,
envp=<optimized out>) at ../../dix/main.c:215
210: for (i = 0; i < screenInfo.numGPUScreens; i++) {
211: ScreenPtr pScreen = screenInfo.gpuscreens[i];
212: if (!CreateScratchPixmapsForScreen(pScreen))
213: FatalError("failed to create scratch pixmaps");
214: if (pScreen->CreateScreenResources &&
215: !(*pScreen->CreateScreenResources) (pScreen))
216: FatalError("failed to create screen resources");
217: }
218:
219: for (i = 0; i < screenInfo.numScreens; i++) {
220: ScreenPtr pScreen = screenInfo.screens[i];
#15 0x0000ffff921f98a0 in __libc_start_main (main=0x0, argc=0, argv=0x0,
init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=<optimized out>) at libc-start.c:291
[Error: libc-start.c was not found in source tree]
#16 0x0000aaaac10bfce8 in _start ()
root@ubuntu:/var/crash#
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1691991
Title:
Xorg Segmentation fault on Hisilicon D05 board (arm64)
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1691991/+subscriptions
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