Re: USB CF reader reboots PC

From: Murray J. Root (murrayr@brain.org)
Date: Wed Jan 08 2003 - 13:24:45 EST


On Wed, Jan 08, 2003 at 10:16:45AM -0800, Greg KH wrote:
> On Wed, Jan 08, 2003 at 11:51:30AM -0500, Murray J. Root wrote:
> > devfs=mount in lilo.conf
> >
> > Insert CF card.
> > ls /dev shows sda and sda1
> > mount it.
> > ls /dev shows sda - no sda1
> > cd to mounted CF card
> > process hangs, sd-mod & usb-storage "busy"
> > rmmod -f usb-storage or sd-mod causes PC to stop
> > (keyboard & mouse unresponsive, wmfire frozen, net disconnects)
> >
> > reboot
> > Insert CF card.
> > ls /dev shows sda & sda1
> > mount it.
> > ls /dev shows sda - no sda1
> > umount it
> > ls /dev shows sda - no sda1
> > modprobe -r sd-mod && modprobe sd-mod
> > ls /dev shows sda & sda1
>
> So if devfs is enabled, everything works just fine?
>
How did you come to that conclusion?
sda1 is where the data is - when I mount the CF sda1 disappears
from /dev and accessing the mountpoint hangs the process.

-- 
Murray J. Root
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