On Sun, 2002-11-03 at 19:32, Jim Paris wrote:
> After 180 days of uptime, it's not surprising that there would have
> been one read of the port that failed, triggering the problem, so I
> think the kernel should detect and fix this. We could just check for
> it: if the returned count > LATCH, read an extra byte from port 0x40,
> as I did. Or, use the method in do_slow_gettimeoffset, which
> basically resets the 8253's counter if count > LATCH.
We have locking that ought to get that all correct nowdays but I've seen
at least one bios generate half a read in SMM mode
> Any comments?
Have a play with it, if your idea works when you deliberately disturb it
then send in a patch
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu Nov 07 2002 - 22:00:30 EST