On Tue, 2006-03-14 at 10:42 -0500, Alan Stern wrote: > Psul, the best way to approach a problem like this is by massive debugging > printks.
That's what I have been doing, and I just posted another such patch for Bob to test. I don't have any of the equipment to test this myself, so I am relying on Bob's willingness to continue. Here was some earlier output. acm_tty_open tty=cd254af8 acm=ce24eca0 acm->used=00000000 PPP BSD Compression module registered PPP Deflate Compression module registered usb 1-2: USB disconnect, address 6 acm_disconnect intf=ce99f720 acm=ce24eca0 usb_dev=ce24f4b8 acm_disconnect acm->used=1 acm->dev=ce24f4b8 acm->tty=cd254af8 acm_disconnect intf=cefb6760 acm=00000000 usb_dev=ce24f4b8 acm_tty_close tty=cd254af8 filp=ce96511c acm=ce24eca0 acm_tty_close acm->used=1 acm->dev=00000000 Unable to handle kernel paging request at virtual address 6b6b6bfb My last post does ref checking before and after calling the tty register/unregister functions. -- Paul Fulghum Microgate Systems, Ltd ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel