From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Nigel Cunningham <ncunningham@linuxmail.org>
Cc: Andrew Morton <akpm@osdl.org>, Don Zickus <dzickus@redhat.com>,
ak@suse.de, shaohua.li@intel.com, miles.lane@gmail.com,
linux-kernel@vger.kernel.org
Subject: Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
Date: Tue, 06 Jun 2006 17:56:20 -0700 [thread overview]
Message-ID: <44862434.2070805@goop.org> (raw)
In-Reply-To: <200606071034.03228.ncunningham@linuxmail.org>
Nigel Cunningham wrote:
> In general, you're right because we don't have perfect hardware hotplugging
> yet. But cpu hotplugging is one area we do have, so it should work.
Well, it seems to me the general problem is generating the proper
hotplug events. If you actually pull, say, a USB device, the usb
subsystem will tell you about it as it happens. But if you can suspend
the machine and then arbitrarily rearrange the hardware, then on resume
you'd have to go over the current hardware state and compare it to the
pre-suspend state and generate all those events. Or I guess you could
just generate unplug events for everything at suspend and re-plug
anything you find on resume. Sounds pretty heavyweight though.
J
next prev parent reply other threads:[~2006-06-07 4:25 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-02 22:51 [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174 Jeremy Fitzhardinge
2006-06-04 11:47 ` Rafael J. Wysocki
2006-06-05 7:21 ` Jeremy Fitzhardinge
2006-06-05 7:37 ` Jeremy Fitzhardinge
2006-06-05 7:48 ` Andrew Morton
2006-06-05 7:59 ` Jeremy Fitzhardinge
2006-06-05 8:35 ` Miles Lane
2006-06-06 6:44 ` Shaohua Li
2006-06-06 14:17 ` Don Zickus
2006-06-06 14:18 ` Andi Kleen
2006-06-06 21:45 ` Don Zickus
2006-06-06 22:15 ` Andrew Morton
2006-06-06 23:05 ` Don Zickus
2006-06-06 23:22 ` Andrew Morton
2006-06-06 23:27 ` Jeremy Fitzhardinge
2006-06-06 23:32 ` Andi Kleen
2006-06-06 23:42 ` Don Zickus
2006-06-08 20:11 ` Pavel Machek
2006-06-06 23:38 ` Nigel Cunningham
2006-06-07 0:06 ` Jeremy Fitzhardinge
2006-06-07 0:13 ` Nigel Cunningham
2006-06-07 0:24 ` Andrew Morton
2006-06-07 0:29 ` Jeremy Fitzhardinge
2006-06-07 0:31 ` Nigel Cunningham
2006-06-07 0:33 ` Andi Kleen
2006-06-07 0:40 ` Nigel Cunningham
2006-06-07 0:26 ` Jeremy Fitzhardinge
2006-06-07 0:33 ` Nigel Cunningham
2006-06-07 0:56 ` Jeremy Fitzhardinge [this message]
2006-06-08 20:13 ` Pavel Machek
2006-06-08 12:45 ` Pavel Machek
2006-06-06 23:34 ` Andi Kleen
2006-06-06 23:55 ` Don Zickus
2006-06-07 0:04 ` Andi Kleen
2006-06-07 0:05 ` Nigel Cunningham
2006-06-07 0:42 ` Don Zickus
2006-06-07 0:50 ` Nigel Cunningham
2006-06-07 3:29 ` [linux-pm] " David Brownell
2006-06-07 9:55 ` Rafael J. Wysocki
2006-06-08 20:27 ` Pavel Machek
2006-06-06 16:23 ` Jeremy Fitzhardinge
2006-06-06 16:51 ` Don Zickus
2006-06-07 2:49 ` Don Zickus
2006-06-07 16:33 ` Andi Kleen
2006-06-07 17:07 ` Jeremy Fitzhardinge
2006-06-07 17:50 ` Don Zickus
2006-06-07 18:53 ` Jeremy Fitzhardinge
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