[CentOS] CentOS4.3 - x86_64 - lockups

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Hi

I have a box that is a Linux LVS project based load balancer running on an 1850 and x86_64 bit version of CentOS. In the past i have never had issues with LVS but then again i have never tried it with x86_64 linux.

This box will after a variable about of time, 1 day upto a week or so, stop accepting ssh connections, although http connections will be fine, and then after another period of time http will also stop being accepted/forwarded. It remains pingable but the only option is a power cycle.

There is nothing in the logs as to why and this box was doing this when it was a 4.2 machine but it has recently been updated to 4.3 but the issue remains.

There is nothing obvious in any logs and i can run x84_64 happily on other 1850's although they are not LVS's. The only thing that is showing up in the logs is this

(scsi0:A:6:0): data overrun detected in Data-in phase.  Tag == 0x3.
(scsi0:A:6:0): Have seen Data Phase.  Length = 50.  NumSGs = 1.
sg[0] - Addr 0x030910000 : Length 50(scsi0:A:6:0): data overrun detected

repeated lots - does anyone know what that might be but also what could be the cause of this?

thanks
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