[Bug 7479] Occasional lockup at boot on nforce2, XP3000+, 1.5 GB system, occurs 10-30 % of time at bootups

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------- Additional Comments From alankila at bel.fi  2005-03-11 20:51 UTC -------
Some more of my musings regarding my unfortunate system.

This A7N8X-X has some kind of BIOS bug that causes problems for USB when system
crashes for some reason (for instance, when inotify killed my system I often had
to press the reset button).
 
When I have to abruptly reboot the system by pressing the reset button, USB goes
dead. The keyboard and mouse are both powered off, and can not be awakened even
by BIOS itself, during POST. This causes the not-so-funny "Keyboard error, no
keyboard connected, press F1 key to continue" message to which only working
solution is poweroff from the PSU. Reset button or soft powerdown is not enough
to wake USB up again.

This is a maddening problem which seems unique to me. It might be some kind of
hardware problem even, or some odd misconfiguration in my BIOS, however I can't
think of anything. When Linux shutdowns (I've rebooted the system now 4 times
without being able to reproduce the issue), I see a long stream of messages like
this fly past, right before it resets:

drivers/usb/hid/hid-core.c: input irq status -71 received

the number may change a bit but I wonder if these could be related to the
crashes or the inability of the BIOS to recover the keyboard during unclean
shutdowns.

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