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Subject: Re: segfault in recent snapshots
References: <f5bobf1k1w9 DOT fsf AT calexico DOT inf DOT ed DOT ac DOT uk>
From: ht AT inf DOT ed DOT ac DOT uk (Henry S. Thompson)
Date: Sat, 02 Mar 2013 20:25:12 +0000
In-Reply-To: <f5bobf1k1w9.fsf@calexico.inf.ed.ac.uk> (Henry S. Thompson's message of "Sat\, 02 Mar 2013 20\:00\:38 +0000")
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I should have given two more bits of info:
 1) Reverting to 1.7.17 cures the problem;
 2) Loading cygwin1.dbg for the 2013-03-01 snapshot shows the
    following for psql:

   (gdb) bt
   #0  0x003d0000 in ?? ()
   #1  0x610fcf7c in pthread::init_mainthread ()
       at
   /netrel/src/cygwin-snapshot-20130301-1/winsup/cygwin/thread.cc:336
   #2  0x61006cf5 in dll_crt0_1 ()
       at
   /netrel/src/cygwin-snapshot-20130301-1/winsup/cygwin/dcrt0.cc:861
   #3  0x6100537d in _cygtls::call2 (this=<optimized out>,
       func=0x61006c50 <dll_crt0_1(void*)>, arg=0x0,
       buf=0x6100551b <_cygtls::call(unsigned long (*)(void*, void*),
   void*)+91>)
       at
   /netrel/src/cygwin-snapshot-20130301-1/winsup/cygwin/cygtls.cc:99
   #4  0x0028ff48 in ?? ()
   #5  0x004330c2 in ?? ()
   #6  0x00401015 in ?? ()
   #7  0x752633aa in KERNEL32!BaseCleanupAppcompatCacheSupport ()
      from /c/Windows/syswow64/kernel32.dll
   #8  0x0028ffd4 in ?? ()
   #9  0x77929ef2 in ntdll!RtlpNtSetValueKey () from
   /c/Windows/system32/ntdll.dll
   #10 0xfffde000 in ?? ()
   #11 0x77929ec5 in ntdll!RtlpNtSetValueKey () from
   /c/Windows/system32/ntdll.dll
   #12 0x00401000 in ?? ()
   #13 0x00000000 in ?? ()

and the following for xemacs:

   #0  0x003d0000 in ?? ()
   #1  0x610fcf7c in pthread::init_mainthread ()
       at
   /netrel/src/cygwin-snapshot-20130301-1/winsup/cygwin/thread.cc:336
   #2  0x61006cf5 in dll_crt0_1 ()
       at
   /netrel/src/cygwin-snapshot-20130301-1/winsup/cygwin/dcrt0.cc:861
   #3  0x6100537d in _cygtls::call2 (this=<optimized out>,
       func=0x61006c50 <dll_crt0_1(void*)>, arg=0x0,
       buf=0x6100551b <_cygtls::call(unsigned long (*)(void*, void*),
   void*)+91>)
       at
   /netrel/src/cygwin-snapshot-20130301-1/winsup/cygwin/cygtls.cc:99
   #4  0x0028ff48 in ?? ()
   #5  0x00641572 in cygwin_crt0 (f=0x458b7f <main>)
       at
   /usr/src/debug/cygwin-1.7.17-1/winsup/cygwin/lib/cygwin_crt0.c:22
   #6  0x00401015 in mainCRTStartup ()
       at /usr/src/debug/cygwin-1.7.17-1/winsup/cygwin/crt0.c:29

ht
-- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 650-4587, e-mail: ht AT inf DOT ed DOT ac DOT uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
 [mail from me _always_ has a .sig like this -- mail without it is forged spam]

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