Hi Mario,
I've logged an issue about it a while back. See
http://bugs.opensolaris.org/view_bug.do?bug_id=6692698 (and also
http://bugs.opensolaris.org/view_bug.do?bug_id=6689595)
Erwann
Mario Goebbels wrote:
> I noticed this when I tried to get Blastwave's KDE build running from within
> a zone (to not pollute the global zone). First thought it'd be KDE, but then
> I saw it's also going it with gnome-session.
>
> It appears that closing any window created inside Xephyr will make it crash.
> Considering it generates different traces whether Compiz is running or not,
> I'm at a loss where to look for a cause for this. Though truss output seems
> to create link between both traces.
>
> To crash it, any window created in it just needs to be closed. Whether the
> application uses Unix domain sockets or TCP/IP doesn't seem to matter, nor if
> it's in the local or global zone. Starting gedit in Xephyr and quitting it
> makes it crash. Opening gedit, then opening the file dialog and exiting that
> one, it crashes. So, anything that involves window closure makes it quit. The
> stack traces are different ones depending whether Compiz ran or not. But when
> Compiz is running, it's interesting to see that it's apparently crashing in
> compDestroyWindow in Xephyr (???).
>
> This happens in OpenSolaris image-updated to snv_94 and as well snv_95.
> Haven't tried using Xephyr before snv_94. Any way to pinpoint this down?
>
> Regards,
> -mg
>
>
> Usual stacktrace with Metacity:
> =======================================================
> hyperborea:~ > pstack core
> core 'core' of 556: iiim-xbe
> ----------------- lwp# 1 / thread# 1 --------------------
> feefd2a5 __nanosleep (8047b90, 8047b98) + 15
> feeec227 sleep (989680, 8047c00, 8047bc8, 805dac0) + 35
> 0805dacd main (1, 8047c00, 8047c08, fef97080) + 29
> 0805d39d _start (1, 8047ce4, 0, 8047ced, 8047d20, 8047d36) + 7d
> ----------------- lwp# 2 / thread# 2 --------------------
> fe7bbe26 property_notify_switcher_window (809a688, c00003, fe2aef64,
> 80b11b8) + 32
> feca7c4f XFilterEvent (fe2aef64, 0, a00003, 805f761) + d7
> 0805f7a6 __1cLXIMProtocolLxevent_loop6Fpv_1_ (808bb78) + 52
> feef9ce0 _thrp_setup (fe1a0200) + 70
> feef9f40 _lwp_start (fe1a0200, 0, 0, 0, 0, 0)
> ----------------- lwp# 3 / thread# 3 --------------------
> feefdfb5 __pollsys (80a5048, 1, 0, 0) + 15
> feeaf3a2 poll (80a5048, 1, ffffffff) + 52
> fec92612 _XWaitForReadable (80a4a88) + de
> fec9243e _XRead (80a4a88, 809abd8, 20) + 1b6
> fecc74db _XReadEvents (80a4a88) + 29b
> fec9e783 XNextEvent (80a4a88, fe19ef64) + 37
> 08068544 __1cMR6IMProtocolLxevent_loop6Fpv_1_ (808c138) + 28
> feef9ce0 _thrp_setup (fe1a0a00) + 70
> feef9f40 _lwp_start (fe1a0a00, 0, 0, 0, 0, 0)
>
> Usual stacktrace with Compiz
> =======================================================
> hyperborea:~ > pstack core
> core 'core' of 3026: Xephyr :20 -ac -extension GLX -dumb
> 00000000008928f6 compDestroyWindow () + 96
> 0000000000546be6 FreeWindowResources () + f6
> 000000000054b0ca DeleteWindow () + 1fa
> 000000000053fc1f FreeResource () + 1af
> 0000000000522d11 ProcDestroyWindow () + 61
> 0000000000529b82 Dispatch () + 4c2
> 000000000053cf05 main () + 495
> 0000000000518f5c _start () + 6c
>
> Tail of truss when it crashes
> under Compiz. There's IIIM, too.
> =======================================================
> read(5, "100105\0\v\0\0\0 I I I M".., 4096) = 20
> read(5, 0x00D00590, 4096) Err#11 EAGAIN
> writev(5, 0xFFFFFD7FFFDFF270, 1) = 32
> clock_gettime(4, 0xFFFFFD7FFFDF7280) = 0
> ioctl(0, FIONREAD, 0xFFFFFD7FFFDF6DC8) = 0
> pollsys(0xFFFFFD7FFFDF69D0, 4, 0xFFFFFD7FFFDF7290, 0x00000000) = 1
> clock_gettime(4, 0xFFFFFD7FFFDF7280) = 0
> read(5, "100107\011\0\0\0 I I I M".., 4096) = 28
> read(5, 0x00D00590, 4096) Err#11 EAGAIN
> writev(5, 0xFFFFFD7FFFDFF270, 1) = 32
> clock_gettime(4, 0xFFFFFD7FFFDF7280) = 0
> ioctl(0, FIONREAD, 0xFFFFFD7FFFDF6DC8) = 0
> pollsys(0xFFFFFD7FFFDF69D0, 4, 0xFFFFFD7FFFDF7290, 0x00000000) = 0
> Received signal #14, SIGALRM [caught]
> lwp_sigmask(SIG_SETMASK, 0x00002000, 0x00000000) = 0xFFBFFEFF [0x0000FFFF]
> setitimer(ITIMER_REAL, 0xFFFFFD7FFFDF6480, 0x00000000) = 0
> setcontext(0xFFFFFD7FFFDF6160)
> setitimer(ITIMER_REAL, 0xFFFFFD7FFFDF7280, 0x00000000) = 0
> clock_gettime(4, 0xFFFFFD7FFFDF7280) = 0
> clock_gettime(4, 0xFFFFFD7FFFDF7280) = 0
> ioctl(0, FIONREAD, 0xFFFFFD7FFFDF6DC8) = 0
> pollsys(0xFFFFFD7FFFDF69D0, 4, 0xFFFFFD7FFFDF7290, 0x00000000) = 1
> clock_gettime(4, 0xFFFFFD7FFFDF7280) = 0
> read(5, "040102\0 A\0 \004 I02\0".., 4096) = 568
> clock_gettime(4, 0xFFFFFD7FFFDFF0C0) = 0
> Incurred fault #6, FLTBOUNDS %pc = 0x008928F6
> siginfo: SIGSEGV SEGV_MAPERR addr=0x00000008
> Received signal #11, SIGSEGV [default]
> siginfo: SIGSEGV SEGV_MAPERR addr=0x00000008
>
> Usual stacktrace with Compiz
> 32bit Xephyr for a test
> =======================================================
> hyperborea:~ > pstack core
> core 'core' of 3228: /usr/X11/bin/i386/Xephyr :20 -ac -dumb -extension GLX
> 08487589 compDestroyWindow (88a7700, 1, 1, 8503000, 88a7658, 0) + a9
> 08103eb1 FreeWindowResources (88a7700, 8047330, 1, 0, 88a7700, 1) + e1
> 081081a8 DeleteWindow (88a7700, 200041, 88a7700, 84d0272, 8815894, 74) + 188
> 080fca94 FreeResource (200041, 0, 4, 8503000, 4, 88afee0) + 154
> 080de0c9 ProcDestroyWindow (88afee0, 88afee0, 8519060, 8503000, 88afee0,
> 881af20) + 79
> 0819ea1d XaceCatchDispatchProc (88afee0, 88afee0, 2, 1, 88c2038, 8a0c2bc) +
> 8d
> 080e5a49 Dispatch (2, 0, 8047a00, 80f9821, fee644c0, 80d10ac) + 4f9
> 080f9ca1 main (6, 8047a00, 8047a1c) + 491
> 080d36f0 _start (6, 8047b20, 8047b39, 8047b3d, 8047b41, 8047b47) + 80
>
>
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--
Erwann Ch?ned?,
Desktop Group, Sun Microsystems, Grenoble
Phone : +33 476 188 358 ext: 38358
