Re: [PATCH] Re: pthread

["Robert Collins" <robert dot collins at itdomain dot com dot au>]

----- Original Message -----
From: "Suhaib Siddiqi" <ssiddiqi@inspirepharm.com>
To: "'Robert Collins '" <robert.collins@itdomain.com.au>
Cc: <cygwin-xfree@sources.redhat.com>
Sent: Thursday, April 19, 2001 10:30 AM
Subject: RE: [PATCH] Re: pthread


>
> Rob,
> I built the DEBUG version fo all the libs in X, and twm. I still get
same
> results from gdb.  info threads and info locals does not tell me much.
I am
> not sure from where first line of bt is coming.... perhaps some
Windows
> dlls, e.g. kernel32 for which debug symbols are not available.
Anyhow,
> below is the cut and paste from gdb.
>
> Suhaib
>
> (gdb) run
> Starting program: /usr/X11R6/bin/twm.exe
>
> Program received signal SIGSEGV, Segmentation fault.
> 0xc16c25ff in ?? ()
> (gdb) info threads
>   14 thread 960.0x560  0x77f82230 in ?? ()
>   3 thread 960.0x470  0x77f820f0 in ?? ()
>   2 thread 960.0x46c  0x77f820f0 in ?? ()
> * 1 thread 960.0x3d4  0xc16c25ff in ?? ()
> (gdb) info locals
> No symbol table info available.
> (gdb) bt
> #0  0xc16c25ff in ?? ()

this thread has crashed in a windoes kernel function. What OS are you
running on?

Rob

> #1  0x676c26cf in _libkernel32_a_iname ()
> #2  0x676c288e in _libkernel32_a_iname ()
> #3  0x40a315 in main (argc=1, argv=0xa011788) at twm.c:291
> #4  0x61003ade in dll_crt0_1 () at
> ../../../../src/winsup/cygwin/dcrt0.cc:865
> #5  0x61003cbd in _dll_crt0 () at
../../../../src/winsup/cygwin/dcrt0.cc:931
> #6  0x61003cfc in dll_crt0 (uptr=0x0)
>     at ../../../../src/winsup/cygwin/dcrt0.cc:943
> #7  0x453ebf in cygwin_crt0 ()
>     at ../../../../src/winsup/cygwin/lib/cygwin_crt0.c:33
> #8  0x40103b in mainCRTStartup ()
> #9  0x77e992a6 in _libkernel32_a_iname ()
> (gdb)
>
> -----Original Message-----
> From: Robert Collins
> To: Suhaib Siddiqi
> Cc: cygwin-xfree@sources.redhat.com
> Sent: 4/17/2001 9:38 PM
> Subject: RE: [PATCH] Re: pthread
>
> > -----Original Message-----
> > From: Suhaib Siddiqi [mailto:ssiddiqi@inspirepharm.com]
> > Sent: Wednesday, April 18, 2001 11:08 AM
> > To: Robert Collins; Suhaib Siddiqi
> > Cc: 'cygwin-xfree@sources.redhat.com '
> > Subject: RE: [PATCH] Re: pthread
> >
> >
> >  Ok, i built for now only debug version fo twm.  i know I
> > need to build
> > entire tree.  It does give some clues.  It is Shape
> > Extension, which all
> > Windows Mangers use, is causing core dump with pthread enabled. :-o
> >
> > The gdb showed
> > 0xc16c25ff in ?? ()
> > (gdb) where
> > #0  0xc16c25ff in ?? ()
> > #1  0x676c26cf in _libkernel32_a_iname ()
> > #2  0x676c288e in _libkernel32_a_iname ()
> > #3  0x40a315 in main (argc=1, argv=0xa011d60) at twm.c:291
> > #4  0x61003ade in dll_crt0_1 () at
> > ../../../../src/winsup/cygwin/dcrt0.cc:865
> > #5  0x61003cbd in _dll_crt0 () at
> > ../../../../src/winsup/cygwin/dcrt0.cc:931
> > #6  0x61003cfc in dll_crt0 (uptr=0x0)
> >     at ../../../../src/winsup/cygwin/dcrt0.cc:943
> > #7  0x453ebf in cygwin_crt0 ()
> >     at ../../../../src/winsup/cygwin/lib/cygwin_crt0.c:33
> > #8  0x40103b in mainCRTStartup ()
> > #9  0x77e992a6 in _libkernel32_a_iname ()
> >
> > This line 291 in twm.c
> >  if (restore_filename)
> > ReadWinConfigFile (restore_filename);
> >
> >     HasShape = XShapeQueryExtension (dpy, &ShapeEventBase,
> > &ShapeErrorBase);
> >
>
>
> Can you also do
> info threads
> info locals
>
> Thanks,
> Rob
>