Andrea Venturoli wrote:
I think I'm having the same problems.
I'm running 6.1(latest patch set)/amd64 on a dual-core Opteron Acer
server with SCSI disks and it is hanging completely and suddenly.
Checking the hardware was the first thing I did, but it really seems ok
(unless it's the second core on the processor). I checked, among the
others: the HDs with the vendor's tools, RAM with MemTest86+ and the CPU
with different stress tools. If anyone can suggest other diagnostics
I'd be happy to comply.
I compiled the kernel with debug info, but that's totally useless, since
it won't dump anything, just hang there; I don't think even DDB would
help, since even the keyboard is not working at that time. If I'm
missing something, I'd be glad to be directed to any pointer.
The box features an em NIC on board, but since it shows a lot of
problems, I removed that driver from the kernel (it's not possible to
turn it off in the BIOS, though) and put in a different add-on card. I
had some shared IRQs, but managed to solve that issue (even if I think
it should not matter).
Next, I'll try to disable SMP as soon as I can and see if it helps.
Of course upgrading to 6.2 should be attempted, but since this is a
production server and 6.2 is still at RC1...
This is just to say that, since SMP was disabled, I've had no problems
Not that I like using UP on an x2 CPU...
bye & Thanks
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