> LOL ... well for some of us running in production, the 2.6 kernels were needed > for connection to our SANs and certain HBA controllers (also LVM2). On top of > that there are some vendor requirements for features in the 2.6 kernels etc. I > guess that what keeps everything interesting and wonderful :p personally ... > we've had zero issues running the 2.6 kernels in prod but, to each their own > :) > I have...2.6 has a memory leak in its routing code and I had boxes that would hit this problem...finally fixed in 2.6.11 but it took quite a long time (six months IIRC) before the network code guys figured it out. Said fix was then backported to RHEL4 kernels. Then there was this odd performance issue which I cannot remember with RHEL4 kernels but was fixed in the RHEL4.4 update.