We live on the edge here in the land of allergies, big sports, and
lottery-funded education and I regularly install all the latest RedHat and
Centos updates on our various Varian/Agilent consoles and workstations.
running VnmrJ.
We are currently using both RedHat 5.6 and Centos 5.6 on various Dell and
non-Dell computer models running VnmrJ 2.2D/Inova and 2.3A/VNMRS, all with
the most recent Chempack overlays.
All was fine until the most recent kernel updates under Redhat5.6. VnmrJ
still "worked" but it would take a very long time (~20 sec) to populate
all of its menus at startup, compared with ~5 seconds before the kernel
update. Likewise, java-intensive functions such as opening mulitple
viewports became painfully slow.
The problem was remedied on all systems by booting from a kernel version
2.6.18-238.1.1.el5 or earlier.
(one can select previously installed kernels form the grub boot menu,
customized in /boot/grub/grub.conf ).
Bad kernel versions seem to be:
2.6.18-238.9.1.el5
2.6.18-238.5.1.el5
All of the other libraries & packages are at the lastest version.
I suspect there is some bad interaction between the older java
that is installed/used by VnmrJ and the newest kernels.
Has anyone else seen this problem?
Thanks,
--Mike
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Michael Strain mstrain_at_uoregon.edu
desk/voice-mail: (541)-346-4605 cell: (541)-556-4077
CAMCOR NMR Spectroscopy Facility text: 5415564077_at_vtext.com
Klamath Hall - Chemistry
http://nmr.uoregon.edu
University of Oregon, Eugene, OR 97403-1253
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Received on Fri May 06 2011 - 10:29:20 MST