https://bugzilla.novell.com/show_bug.cgi?id=403901
User moby@pcsn.net added comment
https://bugzilla.novell.com/show_bug.cgi?id=403901#c35
--- Comment #35 from Mobeen Azhar 2008-07-22 12:33:11 MDT ---
Here are some more results from GDB after another "hang":
(gdb) bt
#0 0xffffe424 in __kernel_vsyscall ()
#1 0xb7bcc763 in write () from /lib/libc.so.6
#2 0x0809817b in WriteExact (sock=18, buf=0x8448d24 "??????", len=296)
at sockets.c:456
#3 0x0808f188 in rfbSendUpdateBuf (cl=0x8792da0) at rfbserver.c:1827
#4 0x0809002c in rfbSendFramebufferUpdate (pScreen=0x8454c70, cl=0x8792da0)
at rfbserver.c:1601
#5 0x08094140 in rfbDisplayCursor (pScreen=0x8454c70, pCursor=0x88acad0)
at sprite.c:2411
#6 0x08339235 in AnimCurDisplayCursor (pScreen=0x8454c70, pCursor=0x88acad0)
at animcur.c:234
#7 0x080b9d83 in ChangeToCursor (cursor=0x88acad0) at events.c:963
#8 0x080d4968 in ChangeWindowAttributes (pWin=0x893b420, vmask=16384,
vlist=0x88bd758, client=0x88788c8) at window.c:1491
#9 0x080b1e4b in ProcChangeWindowAttributes (client=0x88788c8)
at dispatch.c:610
#10 0x083167b4 in XaceCatchDispatchProc (client=0x88788c8) at xace.c:281
#11 0x080b230c in Dispatch () at dispatch.c:502
#12 0x080c6005 in main (argc=24, argv=0xbfac3c34, envp=0x3f3f3f3f)
at main.c:452
(gdb) finish
Run till exit from #0 0xffffe424 in __kernel_vsyscall ()
[Switching to Thread 0xb7af46c0 (LWP 3069)]
0xb7bcc763 in write () from /lib/libc.so.6
(gdb)
(gdb) bt
#0 0xb7bcc763 in write () from /lib/libc.so.6
#1 0x0809817b in WriteExact (sock=18, buf=0x8448d24 "??????", len=296)
at sockets.c:456
#2 0x0808f188 in rfbSendUpdateBuf (cl=0x8792da0) at rfbserver.c:1827
#3 0x0809002c in rfbSendFramebufferUpdate (pScreen=0x8454c70, cl=0x8792da0)
at rfbserver.c:1601
#4 0x08094140 in rfbDisplayCursor (pScreen=0x8454c70, pCursor=0x88acad0)
at sprite.c:2411
#5 0x08339235 in AnimCurDisplayCursor (pScreen=0x8454c70, pCursor=0x88acad0)
at animcur.c:234
#6 0x080b9d83 in ChangeToCursor (cursor=0x88acad0) at events.c:963
#7 0x080d4968 in ChangeWindowAttributes (pWin=0x893b420, vmask=16384,
vlist=0x88bd758, client=0x88788c8) at window.c:1491
#8 0x080b1e4b in ProcChangeWindowAttributes (client=0x88788c8)
at dispatch.c:610
#9 0x083167b4 in XaceCatchDispatchProc (client=0x88788c8) at xace.c:281
#10 0x080b230c in Dispatch () at dispatch.c:502
#11 0x080c6005 in main (argc=24, argv=0xbfac3c34, envp=0x3f3f3f3f)
at main.c:452
(gdb) next
Single stepping until exit from function write,
which has no line number information.
0xb7c15126 in ?? () from /lib/libc.so.6
(gdb) bt
#0 0xb7c15126 in ?? () from /lib/libc.so.6
#1 0x0808f188 in rfbSendUpdateBuf (cl=0x8792da0) at rfbserver.c:1827
#2 0x0809002c in rfbSendFramebufferUpdate (pScreen=0x8454c70, cl=0x8792da0)
at rfbserver.c:1601
#3 0x08094140 in rfbDisplayCursor (pScreen=0x8454c70, pCursor=0x88acad0)
at sprite.c:2411
#4 0x08339235 in AnimCurDisplayCursor (pScreen=0x8454c70, pCursor=0x88acad0)
at animcur.c:234
#5 0x080b9d83 in ChangeToCursor (cursor=0x88acad0) at events.c:963
#6 0x080d4968 in ChangeWindowAttributes (pWin=0x893b420, vmask=16384,
vlist=0x88bd758, client=0x88788c8) at window.c:1491
#7 0x080b1e4b in ProcChangeWindowAttributes (client=0x88788c8)
at dispatch.c:610
#8 0x083167b4 in XaceCatchDispatchProc (client=0x88788c8) at xace.c:281
#9 0x080b230c in Dispatch () at dispatch.c:502
#10 0x080c6005 in main (argc=24, argv=0xbfac3c34, envp=0x3f3f3f3f)
at main.c:452
So, from my limited knowledge, it looks like Xvnc may be stuck inside of
rfbSendUpdateBuf.
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