Re: Kernelmessage to usbstick?

[Hans de Bruin]

Oliver Neukum wrote:
> Am Saturday 10 January 2009 23:53:15 schrieb 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.
>
> USB in turn needs PCI, interrupts and DMA.

I just found out even a serial cable would not help, since the only comm 
device in my laptop ends in a build in modem. Since there is no parallel 
printer port either I will have to use pen and paper. In the mean time, 
rc1 broke my keyboard.

--
Hans
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