8:49 a.m.
================================================================
Dear Bug Team!
using XEmacs under X, when i try to read a particular post Xemacs dies
abruptly --- at the moment i have no core dump, i think i can provide
one if necessary
xemacs -nw can read the same post without any problem
imho, it's the Face: header...
I attach here the headers of the offending article
12:55 p.m.
Giacomo Boffi writes:
================================================================
Dear Bug Team!
using XEmacs under X, when i try to read a particular post Xemacs dies
abruptly --- at the moment i have no core dump, i think i can provide
one if necessary
I can't replicate (Mac OS X under X), so I think you should send us a
backtrace (no core dump, please! just the trace :-).
xemacs -nw can read the same post without any problem
imho, it's the Face: header...
Seems quite possible, but since that's an external library, the
easiest way to confirm is with a stack trace.
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2:31 p.m.
Stephen J. Turnbull writes:
> using XEmacs under X, when i try to read a particular post
Xemacs dies
> abruptly --- at the moment i have no core dump, i think i can provide
> one if necessary
I can't replicate (Mac OS X under X), so I think you should send us a
backtrace (no core dump, please! just the trace :-).
in the past, i used to have core fils all around my disk, then came
ulimit, and now
% ulimit -c 3000000
bash: ulimit: core file size: cannot modify limit: Operation not permitted
%
please, can someone come up with a recipe to enable core dumps on
linux debian unstable?
tia
gb
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3:32 p.m.
Giacomo Boffi writes:
Stephen J. Turnbull writes:
> > using XEmacs under X, when i try to read a particular post Xemacs dies
> > abruptly --- at the moment i have no core dump, i think i can provide
> > one if necessary
>
> I can't replicate (Mac OS X under X), so I think you should send us a
> backtrace (no core dump, please! just the trace :-).
in the past, i used to have core fils all around my disk, then came
ulimit, and now
% ulimit -c 3000000
bash: ulimit: core file size: cannot modify limit: Operation not permitted
%
please, can someone come up with a recipe to enable core dumps on
linux debian unstable?
It's probably more convenient to just run xemacs under the debugger,
since you have a recipe for reproducing the problem.
You need to start a new shell without the limit. I'm not sure how to
do that offhand; an ordinary subshell seems to inherit the limit. (su
(to root) will allow you to raise it, but only in the su'd shell).
Maybe you need to log in again.
Then instead of using ulimit -c 0, use ulimit -S -c 0 in your .bashrc
or .profile. That allows you to do ulimit -c hard to raise the core
limit to the hard limit (usually unlimited under Linux) later, while
limiting things now.
Note that a core size of 3MB is almost certainly insufficient.
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3:59 p.m.
Stephen J. Turnbull writes:
Giacomo Boffi writes:
> Stephen J. Turnbull writes:
> > > using XEmacs under X, when i try to read a particular post Xemacs dies
> > > abruptly --- at the moment i have no core dump, i think i can provide
> > > one if necessary
> >
> > I can't replicate (Mac OS X under X), so I think you should send us a
> > backtrace (no core dump, please! just the trace :-).
>
> in the past, i used to have core fils all around my disk, then came
> ulimit, and now
>
> % ulimit -c 3000000
> bash: ulimit: core file size: cannot modify limit: Operation not permitted
> %
>
> please, can someone come up with a recipe to enable core dumps on
> linux debian unstable?
It's probably more convenient to just run xemacs under the debugger,
since you have a recipe for reproducing the problem.
done, looks like i built without -g...
nexr week i'll try to build a new xemacs with debugging enabled, so IF
the problem is always present (who knows...) i can make a decent bug
report
for your info, gdb says its a segfault, asnd here it is the backtrace
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb77f1700 (LWP 12597)]
0xb7963cd6 in ?? () from /lib/i686/cmov/libc.so.6
(gdb) bt
#0 0xb7963cd6 in ?? () from /lib/i686/cmov/libc.so.6
#1 0x0000001d in ?? ()
#2 0xbfade898 in ?? ()
#3 0xbfade930 in ?? ()
#4 0xb7fa4670 in ?? ()
#5 0x080779fd in ?? ()
#6 0xbfade898 in ?? ()
#7 0x00000000 in ?? ()
(gdb)
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3:51 p.m.
Giacomo Boffi writes:
Stephen J. Turnbull writes:
> > using XEmacs under X, when i try to read a particular post Xemacs dies
> > abruptly --- at the moment i have no core dump, i think i can provide
> > one if necessary
>
> I can't replicate (Mac OS X under X), so I think you should send us a
> backtrace (no core dump, please! just the trace :-).
in the past, i used to have core fils all around my disk, then came
ulimit, and now
% ulimit -c 3000000
bash: ulimit: core file size: cannot modify limit: Operation not permitted
%
please, can someone come up with a recipe to enable core dumps on
linux debian unstable?
ok, the number is in megabytes, and 3000000 mega are too
much... ulimit -c 1024 is OK
what happens now is interesting, with core dumps enabled xemacs
doesn't die anymore, ehm, not completely
it just stops working (htop says 0.0% CPU), doesn't respond to events,
doesn't redraw its windows, but more important DOES NOT DUMP CORE
after waiting for about five minutes i gave up and killed it, no core
to run gdb upon, so i can't tell you anything more, sorry
maybe this is another bug?
ciao, buona domenica a tutti
gb
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5 comments
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participants (2)
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Giacomo Boffi -
Stephen J. Turnbull