https://sourceforge.net/p/openmosix/support-requests/13/Recent changes to 13: shell pipes hang!enWed, 05 May 2004 20:23:43 -0000https://sourceforge.net/p/openmosix/support-requests/13/<div class="markdown_content"><p>Hello,</p> <p>using 2.4.22-openmosix3 I frequently observe indefinitly<br /> long hanging processes with a simple shell command like:</p> <p>cat long_text_file | wc -l</p> <p>on the other hand</p> <p>wc -l long_text_file or<br /> wc -l &lt; long_text_file</p> <p>report rapidly the answer (12041604 lines)<br /> I compiled the latest fileutils and coreutils to make sure <br /> and the same problem happens.</p> <p>The 2.4.22 kernel without the openmosix patch <br /> works fine with the same commands.</p> <p>I had noticed that some "tar -cf - . | tar -xf -"<br /> copies also hanged. </p> <p>I wonder if the "pipe" is modified by the 2.4.22-<br /> openmosix3 patch.</p> <p>I used the following kernel options:</p> <p>#<br /> # openMosix<br /> #<br /> CONFIG_MOSIX=y<br /> # CONFIG_MOSIX_TOPOLOGY is not set<br /> CONFIG_MOSIX_SECUREPORTS=y<br /> CONFIG_MOSIX_DISCLOSURE=3<br /> CONFIG_MOSIX_FS=y<br /> CONFIG_MOSIX_DFSA=y<br /> CONFIG_MOSIX_PIPE_EXCEPTIONS=y<br /> CONFIG_MOSIX_NO_OOM=y<br /> CONFIG_MOSIX_LOADLIMIT=y</p> <p>Any help would be appreciated.</p> <p>------------------<br /> Hogues Herve<br /> Biotechnology Research Institute<br /> E-mail: Herve.Hogues@BRI.NRC.CA</p></div>AnonymousWed, 05 May 2004 20:23:43 -0000https://sourceforge.net6391558cd3ebb7ea34fb6767ffbd1801c748d804