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Date: Thu, 07 Feb 2002 09:44:43 -0500
To: "Frank Seide" <seide AT mac DOT com>, <cygwin AT cygwin DOT com>
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: bug report: cygwin lib can't recover after out of memory
Cc: "'Zhe Feng'" <zfeng AT msrchina DOT research DOT microsoft DOT com>
In-Reply-To: <FE3A5416EBDD83408F14F09EBA56474402C4F2EB@bjs-msg-01.fareas
 t.corp.microsoft.com>
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At 09:54 PM 2/6/2002, Frank Seide wrote:
>Hi,
>
>I observed cygwin getting into a bad state after a
>memory-allocation failure, from which I only can
>recover by terminating all cygwin processes to unload
>the cygwin1.dll.
>
>I run a perl script that gradually allocates memory
>until the memory limit of 256 MB (default) is reached.
>Perl, as expected, terminates with "Out of Memory!"
>
>However, _after_ the script terminates,
>subsequently executed cygwin programs have a problem:
>
>  - a simple "ls" gives
>    Segmentation fault (core dumped)
>
>% ls -l
>... (works correctly)
>% ./test.pl                     <-- script to reach mem limit
>Out of memory!
>% ls -l
>Segmentation fault (core dumped)
>%
>
>  - trying to open another rxvt window (while the shell in which
>   the script terminated is still open) shows the msg
>     handle_exceptions: Exception: STATUS_ACCESS_VIOLATION
>
>To recover, I need to exit the shell in which the script
>terminated first, such that all cygwin processes are gone
>(and cygwin1.dll gets unloaded, I guess).
>
>Thanks,
>
>Frank
>
>Version info:
>
>  - This is perl, version 5.005_03 built for cygwin32
>  - WinNT Ver 5.0 build 2195 Service Pack 2
>  - Cygwin DLL version info:
>         dll major: 1003
>         dll minor: 2
>         dll epoch: 19


Does this problem exist with the latest Cygwin version as well?  If so,
how about with a recent snapshot?



Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
838 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX


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