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Article #98630

GNU Emacs 18.57 core dump on Ultrix 4.1

#98630
From: Paul Barton-Davis
Date: Mon, 15 Apr 1991 20:40
19 lines
1801 bytes
I'm trying to track down a sporadic, but definitely repeatable bug
using Emacs 18.57 on an Ultrix 4.1 DECstation. Behaviour is simple to
describe: every so often (maybe once every 2-3 days), Emacs dumps core
(helpful huh ?).The same behaviour has also been seen in 18.55 but is
*much* less frequent.

Core dumps are not proving terribly helpful: gdb tries to tell me that
there are 179 (+/- 20) nested layers of calls to mark_object, with a
single call to mark_buffer about 40 levels deep. On the other hand,
dbx doesn't show the recursion, but still points to mark_object being
the last stack frame before abort() is called. I could spend a long
time tracing through the logic of gc and marking, but since I'm rather
new to the mips architecture, I thought I'd first see if anyone else
has come across this, or even better, has a fix for it.

Thanks in advance,
-- 
Paul Barton-Davis			<pauld@cs.washington.edu>
UW Computer Science Lab		``to shatter tradition makes us feel free''
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From: pauld@CS.WASHINGTON.EDU (Paul Barton-Davis)
Newsgroups: gnu.emacs.bug
Subject: GNU Emacs 18.57 core dump on Ultrix 4.1
Message-ID: <1991Apr15.204037.18869@beaver.cs.washington.edu>
Date: 15 Apr 91 20:40:37 GMT
Sender: daemon@tut.cis.ohio-state.edu
Reply-To: pauld@cs.washington.edu (Paul Barton-Davis)
Distribution: gnu
Organization: Computer Science & Engineering, U. of Washington, Seattle
Lines: 19
Approved: bug-gnu-emacs@prep.ai.mit.edu