From: Andi Kleen <andi@firstfloor.org>
To: Hans de Bruin <bruinjm@xs4all.nl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernelmessage to usbstick?
Date: Sat, 10 Jan 2009 23:53:15 +0100 [thread overview]
Message-ID: <873afqhixw.fsf@basil.nowhere.org> (raw)
In-Reply-To: <4968F346.8060806@xs4all.nl> (Hans de Bruin's message of "Sat, 10 Jan 2009 20:13:10 +0100")
Hans de Bruin <bruinjm@xs4all.nl> writes:
> Would it be possible to send kernel messages to an usbstick? On
> poweroff my laptop displays a kernel trace and a final message:
> poweroff[3114] exited with preempt_count 2
> /etc/rc.d/rc.0: line 265: 3114 Segementation fault /sbin/poweroff.
> I don't have a serial cable within reach, but plenty of usbsticks.
There's a mtdoops.c indeed, but it currently only works on
MTD controlled flash devices, not usb sticks.
However usb sticks would need the USB subsystem to be running and it's
unlikely that will be the case really late in poweroff. So it might
not help.
-Andi
--
ak@linux.intel.com
next prev parent reply other threads:[~2009-01-10 22:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-10 19:13 Kernelmessage to usbstick? Hans de Bruin
2009-01-10 22:53 ` Andi Kleen [this message]
2009-01-10 22:58 ` Oliver Neukum
2009-01-11 13:18 ` Hans de Bruin
2009-01-11 18:07 ` Mark Lord
2009-01-13 21:31 ` Hans de Bruin
2009-01-18 8:14 ` Pavel Machek
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