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SubjectRe: Dianogsing a hard lockup
On Sat, 2005-12-17 at 17:09 +0100, Jan Engelhardt wrote:
> Hi list,
> some time after I load drivers (any, rt2500 or via ndiswrap) for a
> rt2500-based wlan card, the box locks up hard. Sysrq does not work, so I
> suppose it is during irq-disabled context. How could I find out where this
> happens?

First, stick to rt2500 as you won't get help with binary only drivers

Try to reproduce the problem from the console, you're more likely to get
a usable Oops.

Check the driver code & make sure it can't get stuck looping in the
interrupt handler due to an unhandled IRQ. Add printks.

Finally report it to the rt2500 maintainer.


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