F9 kernel 2.6.27.5 hangs

[Sam Varshavchik]

After upgrading to kernel 2.6.27.5, I cannot complete a build cycle without 
the system hanging. The machine boots, and runs as long as its lightly 
loaded, but inevitably hangs once I kick off a build cycle.

I tried both 2.6.27.5-37 and 2.6.27.5-41. No oops appears visible on the 
console. Downgraded to 2.6.26.6-79, for now. This is dual-quadcore Opteron 
2354.

Anyone else having the same problem? Any other way to debug this, except for 
trying to cobble together a serial console? I don't even recall if this 1U 
pizza box has a serial port.


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