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From: David Ford <david@linux.com>
To: Keith Owens <kaos@ocs.com.au>, Greg KH <greg@wirex.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [bug] usb-uhci locks up on boot half the time
Date: Wed, 08 Nov 2000 21:40:43 -0800	[thread overview]
Message-ID: <3A0A38DB.F5D63F6D@linux.com> (raw)
In-Reply-To: <3427.973738139@kao2.melbourne.sgi.com>

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> The NMI oopser for UP only trips in when the cpu is spinning.  If the
> cpu is in a halt state then NMI does not run.  But in a halt state you
> should be able to activate kdb via the pause key.  The only time you
> cannot get kdb via pause is if interrupts are disabled (but then the
> cpu should be spinning and NMI should kick in) or if the cpu or
> motherboard is totally wedged.

just a quick followup while i'm working at it.  the hardware is totally
hung, nothing gets to it, keyboard, serial, or nmi.

being there are a lot of usb functions, does anyone have some suggested
breakpoints?

-d

--
"The difference between 'involvement' and 'commitment' is like an
eggs-and-ham breakfast: the chicken was 'involved' - the pig was
'committed'."



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       reply	other threads:[~2000-11-09  6:10 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <3427.973738139@kao2.melbourne.sgi.com>
2000-11-09  5:40 ` David Ford [this message]
2000-11-09 17:06 [bug] usb-uhci locks up on boot half the time Dunlap, Randy
2000-11-09 17:15 ` Greg KH
2000-11-09 22:40 ` David Ford
2000-11-09 22:54   ` Linus Torvalds
2000-11-11  9:49   ` Harald Nordgård-Hansen
  -- strict thread matches above, loose matches on Subject: below --
2000-11-09  0:35 David Ford
2000-11-09  0:50 ` Georg Nikodym
2000-11-09  1:27   ` David Ford
2000-11-09  4:08     ` Greg KH
2000-11-09  4:19       ` David Ford
2000-11-09  5:59         ` Greg KH
2000-11-09  6:55           ` David Ford
2000-11-09  7:05           ` David Ford
2000-11-09  7:39           ` David Ford
2000-11-09  1:12 ` Keith Owens

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