Mail Archives: cygwin-developers/2002/01/14/13:19:06

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Date: Mon, 14 Jan 2002 21:16:37 +0300
From: egor duda <deo AT logos-m DOT ru>
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Reply-To: egor duda <cygwin-developers AT cygwin DOT com>
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To: Jonathan Kamens <jik AT curl DOT com>
CC: cygwin-developers AT cygwin DOT com
Subject: Re: Am I using dumper.exe correctly?
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References: <20020110214350 DOT 30413 DOT qmail AT lizard DOT curl DOT com>
<380850877 DOT 20020111104002 AT logos-m DOT ru>
<20020114175405 DOT 9881 DOT qmail AT lizard DOT curl DOT com>
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Monday, 14 January, 2002 Jonathan Kamens jik AT curl DOT com wrote:

JK> OK, so I tried reconfiguring without --enable-threadsafe and
JK> --enable-extra-threadsafe-checking.  It's faster, bug gdb still
JK> crashes when I try to use it to look at an exe and core file produced
JK> by dumper.

Hmm. Does resulting core dump "looks" ok? it should be elf file of
size 1MB or more. Do i remember correctly that gdb crashes even on
coredump created by simple { int* x=0; *x=1; } program?

>>  can you try "gdb -nw --core=foo.exe.core" in the step 5?

JK> No, that coredumps too.

>>  what version of gdb are you using?

JK> Version 1.3.6-6 of the cygwin package (although I've actually built
JK> the DLL from the repository -- I'm telling you the version of this
JK> package I'm using so you know which dumper.exe I'm using) and version
JK> 20010428-3 of the gdb package.

this should be fine.

JK> Do I need to update dumper.exe from the current repository along with
JK> cygwin1.dll, or is it safe to use dumper.erxe from the cygwin 1.3.6-6
JK> package?

I haven't changed anything in dumper since 1.3.6-6, so it's probably
won't help.

you can wrap dumper.exe into dumper.cmd file and call it with
debugging output to see what's going on.

anyway, i believe that even if dumper creates wrong dump file, gdb
shouldn't crash on it. Is it possible for you to send me by private
mail your foo.exe.core.bz2 (along with debugging output from
dumper.exe, if possible), so i could take a look at them?

Egor.            mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19

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