Re: Kernelmessage to usbstick?

[Andi Kleen]

Hans de Bruin <bruinjm@xxxxxxxxx> 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

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