On Fri, 3 Dec 2004, Per-Arne Söderkvist wrote: > Hello Alan! > > Thank's for your quick answer. Seems that we have to update our kernel as > you said, to get a "good" solution. When we test your proposed solution with > the kernel mentioned above we got the following message > "Dec 3 16:11:11 localhost kernel: oh: dis_usb.c, ioctl USBDEVFS_RESET > Dec 3 16:11:11 localhost kernel: Unable to handle kernel NULL pointer > dereference at virtual address 00000178". Do you think is because of "old" > kernel or is it any other reason?
I don't know, but I wouldn't try using that ioctl with anything below 2.6.9. > We are also testing a "raw" solution that seems to do the work, approx to do > the things what happens when "hotplugged", see below: > > 1. rmmod "our usb-module" > 2. insmod "our usb-module" > 3. chmod 777 /udev/"our dev" > 4. fxload -I "our hex-file" -D `ls -1 /proc/bus/usb/*/* | grep -v 001` If that works, then good. But you shouldn't have to unload and reload your module. (In fact, you didn't even mention before that you were using a kernel module.) Alan Stern ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
