Hello, yes.. when this situation happens there is allways a process spinning (running at 100%cpu). We can't kill it even with kill -9
Kernel = 2.6.9-48.ELxenU OCFS2 = 1.2.5 OCFS2 Node Manager 1.2.5 Tue Apr 10 12:29:33 EDT 2007 (build 9e5f332181e8ebfad464946bcc4888af) OCFS2 DLM 1.2.5 Tue Apr 10 12:29:33 EDT 2007 (build e2556a71429f31033b275dff4b5594aa) OCFS2 DLMFS 1.2.5 Tue Apr 10 12:29:33 EDT 2007 (build e2556a71429f31033b275dff4b5594aa) Thanks for any info, Nuno Fernandes On Monday 07 April 2008 18:17:09 Sunil Mushran wrote: > Are any processes spinning during this time? > As in, does top show any process eating up cpu. > > The said hangs are in the generic layer and could be due to a > spinning process not releasing a lock. I can see some processes > in R state but can't say for sure that they are spinning or not. > > ocfs2/kernel versions? > > Sunil > > Nuno Fernandes wrote: > > Hello, > > > > The sysrq is attached. > > > > The processlist is: > > > > ... > > 17280 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 6373 ? > > S 0:00 \_ /usr/sbin/httpd > > 16561 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 6380 ? > > S 0:00 \_ /usr/sbin/httpd > > 17093 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 7649 ? > > S 0:00 \_ /usr/sbin/httpd > > 16566 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 7772 ? > > S 0:00 \_ /usr/sbin/httpd > > 17829 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 7905 ? > > S 0:00 \_ /usr/sbin/httpd > > 17233 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 7924 ? > > S 0:00 \_ /usr/sbin/httpd > > 16477 ? R 343:20 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 7986 ? > > S 0:00 \_ /usr/sbin/httpd > > 16565 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 8007 ? > > S 0:00 \_ /usr/sbin/httpd > > 30015 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 8066 ? > > S 0:00 \_ /usr/sbin/httpd > > 17236 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi 8070 ? > > S 0:00 \_ /usr/sbin/httpd > > 16480 ? D 0:00 | > > \_ /usr/bin/perl -w > > /storage/webhosting/site/public_html/alojados/site/MT/come2x.cgi ... > > > > Thanks for any info, > > Best regards, > > Nuno Fernandes > > > > On Friday 04 April 2008 19:21:05 Sunil Mushran wrote: > >> No busy locks. The hang is not because of o2dlm. > >> > >> Do a kernel stack dump. echo t >/proc/sysrq-trigger > >> That should tell us where the process is stuck in the kernel. > >> > >> Nuno Fernandes wrote: > >>> On Friday 04 April 2008 18:40:42 Sunil Mushran wrote: > >>>> debugfs.ocfs2 -R "fs_locks" /dev/sdX >/tmp/out > >>> > >>> Hi, > >>> > >>> I happened again. Attached i send the output. > >>> > >>> Thanks for any info, > >>> Best regards, > >>> Nuno Fernandes > >>> > >>> ----------------------------------------------------------------------- > >>>- > >>> > >>> _______________________________________________ > >>> Ocfs2-users mailing list > >>> [email protected] > >>> http://oss.oracle.com/mailman/listinfo/ocfs2-users > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > Ocfs2-users mailing list > > [email protected] > > http://oss.oracle.com/mailman/listinfo/ocfs2-users _______________________________________________ Ocfs2-users mailing list [email protected] http://oss.oracle.com/mailman/listinfo/ocfs2-users
