Core dump from fast ENTERs

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2 total messages Started by Brian L. Kahn Fri, 02 Aug 1991 07:24

#1825

Author: Brian L. Kahn
Date: Fri, 02 Aug 1991 07:24

19 lines
1322 bytes

I core dump epoch occassionally by hitting several ENTERs (RETURNs) in
quick succession.  The problem is much more likely to occur when I
have a half dozen modified files open.  Circumstantial evidence
suggests that the trouble is related to auto-save; the only time I
have lost any changes is when a message sat in the minibuffer,
notifying me that autosave wasn't done because the file reduced in
size substantially - which was true.  Even the trouble making ENTERs
appear in the #backups# (maybe not the final one).

Anyone else have this problem?

System is a Sun 3/80 under SunOS4.1.1, epoch 3.2 patch 2.




--
B<   Brian Kahn   blk@security.mitre.org   "may the farce be with you"

Re: Core dump from fast ENTERs

#1826

Author: Hamish Macdonald
Date: Fri, 02 Aug 1991 17:13

24 lines
1811 bytes

>>>>> On 2 Aug 91 14:24:23 GMT,
>>>>> In message <BLK.91Aug2092423@vanity.mitre.org>,
>>>>> You wrote:

Brian> I core dump epoch occassionally by hitting several ENTERs
Brian> (RETURNs) in quick succession.  The problem is much more likely
Brian> to occur when I have a half dozen modified files open.
Brian> Circumstantial evidence suggests that the trouble is related to
Brian> auto-save; the only time I have lost any changes is when a
Brian> message sat in the minibuffer, notifying me that autosave
Brian> wasn't done because the file reduced in size substantially -
Brian> which was true.  Even the trouble making ENTERs appear in the
Brian> #backups# (maybe not the final one).

Brian> Anyone else have this problem?

Yes.  The problem is that the file write is interrupted by the SIGIO
signal (wierd, I know).

I have fixed this problem by blocking SIGIO when writing files, and I
could make patches available if people want them.
--
--------------------------------------------------------------
himacdonald@plg.uwaterloo.ca           watmath!plg!himacdonald

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