Benjamin Smith schrieb: > On Wednesday 17 January 2007 01:47, yogeshwar sonawane wrote: >> Hi all, >> >> I am getting this error while kernel hangs. I am using CentOS 4.4 >> (x86_64) on Dual Opteron 4 way SMP machine. After searching, i didn't >> found a sound answer. If anybody know the solution, plz let me know. > > Ran into the same problem, along with sporadic system freezes under heavy > loads. (LA>9.0) > > I'd *LOVE* to know if this is a software issue - I looked far and wide before > returning an otherwise very nice server! > sudden hangs where fixed on my 8-processor Tyan VX50 when using "nmi_watchdog=0" on the kernel command line - see bz #200885 . A workaround is also in the 4.5 beta kernel on jbaron's webpage.