Dreaded PDC irq nobody cared

[Erik Slagter <erik@slagter.name>]

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Hi,

I've been running with a PDC (sata150tx2plus) for a few months now, two
harddisk attached, softraid-1 config.

This has been working perfectly, in contrary to the many bug reports
posted here.

I now have moved to another house, connected up the server again, found
out that the disk cooling fans (bought these just to be sure, not
standard) were making way too much noise and I disconnected them.

From this moment on, I have the dreaded "irq xx nobody cared" problem. I
installed 2.6.14-rc2 in the hope that it includes all patches that might
fix this issue, and all of the relevant patches I saw here are in.

Still no joy! 

The problem notably occurs when the array is resyncing, which
corresponds to the other's reports. Sometimes it doesn't even manage to
boot completely.

So... I have a notion and a question: 

 - it seems to matter what the temperature of the harddisks is!?
 - are there any newer patches than those in 2.6.14-rc2 that I might
try?
 - is there any chance booting with noapic would make a difference? I
must say my apic is a bit flaky (according to the logs)

Thx.

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