Scott Silva wrote: > on 6-3-2009 2:27 AM Peter Hopfgartner spake the following: > >> Epilogue: >> >> I've tried to disable TSO (ethtool -K eth0 tso off), as was suggested on >> the poweredge list. This did not help. >> >> I've configured the machine to start with the 5.2 kernel in >> /boot/grub/grub.conf, changing the default. It has been running for 6 >> 1/2 days, now. I would say that this helped and is what I would suggest >> to others experiencing the same problem, right now. >> >> Thus, current running kernel is 2.6.18-92.1.10.el5xen. >> >> Regards and thanks for all replies, >> >> Peter >> >> > That sure points to a machine/kernel conflict. You could try getting the > source and rebuilding to see if that solves it, or maybe a diff of the two > kernel configs to see if something is different there. Maybe someting is added > or turned on in the new kernel that your system doesn't like. > > Also, make sure your systems bioses are up to date. Not just motherboard, but > any other cards that have firmware that might have an update like raidcard/sas > controllers or ??? > > > ------------------------------------------------------------------------ > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > Dear Scott, unfortunately the machine is in production. Any downtime is really a problem since it is seen directly by our customers. I would really like to do some active effort to isolate the problem, but my boss would cut my head off, if I have to stop the machine. The firmware is not current, but according to Dell's web site I should stop almost every running service on the machine before upgrading the firmware, and in this case I would again have to watch out for my head. I do really care to provide accurate bug reports to OS projects that I use (I would guess that 90 % of my reports lead to a quick fix), but in this case I do have to make an exception and keep the machine running. Thanks, Peter -- Dott. Peter Hopfgartner R3 GIS Srl - GmbH Via Johann Kravogl-Str. 2 I-39012 Meran/Merano (BZ) Email: peter.hopfgartner at r3-gis.com Tel. : +39 0473 494949 Fax : +39 0473 069902 www : http://www.r3-gis.com