> Could anyone tell me why it keeps failing? (Where failing == printing my
> 'whinge' message.) The complaint is happening quite frequently, but the
> machine wasn't going down that often before, so it must be catching cases that
> didn't cause an oops (whinge once a minute vs. crash once a fortnight.)
It is bogus to call verify_area on kernel buffers - it only works for addresses
passed in from user space (except when you use set_fs(KERNEL_DS), but even
then it isn't a comprehensive check). Also note that verify_area in 2.1 is
mostly a nop, it only checks if the address is below the kernel segment
border.
For what address exactly does the oops occur?
-A.
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