At 09:49 AM 1/9/2009, Guy Helmer wrote:

RAID controller with a pair of mirrored drives connected. Each one has
both ethernets connected, bundled using lagg and LACP.


I can't tell whether my situation is related, but I am seeing lockups on SMP Supermicro servers with both older (NetBurst-ish) and current Xeon CPUs. I have been dropping into the kernel debugger and getting lock information and process backtraces, but so far nothing has been conclusively identified. I think the issue I'm seeing was introduced sometime between October 2 and November 24 in the RELENG_7 branch, and I suppose the next step is to do a binary search for the offending change.

Are you using the same disk controller as Peter ? Do both of you run with quotas on the file system ? By lockup, do you mean it doesnt respond to the network either or just anything that needs disk IO ?

---Mike
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