* Gert Doering (g...@greenie.muc.de) [090218 20:45]: > Hi, > > On Wed, Feb 18, 2009 at 11:35:06AM -0700, Sam Noble wrote: > > I'm using some Zoom 2985C USB modems (and a few other similar cdc_acm > > USB modems) for out-of-band management on my Vyatta routers (Read > > "Debian Lenny/Testing Systems"). > [..]
> >At -x9 debug level, the older systems logs look like this: > > > >02/17 18:21:52 CM0 print welcome banner (/etc/issue.mgetty) > >02/17 18:21:52 CM0 getlogname (FIDO AUTO_PPP), read:vyatta[0d] > >02/17 18:22:00 CM0 input finished with '\r', setting ICRNL ONLCR > >02/17 18:22:00 CM0 tio_get_rs232_lines: status: RTS CTS DSR DTR DCD > >02/17 18:22:00 CM0 login: use login config file > >/etc/mgetty/login.config > >02/17 18:22:00 CM0 login: stat('/etc/mgetty/login.config') failed: No > >such file or directory > >02/17 18:22:00 CM0 login: fall back to /bin/login > >02/17 18:22:00 CM0 calling login: cmd='/bin/login', argv[]='login > >vyatta' > >02/17 18:22:00 CM0 setenv: 'CALLER_ID=none' > >02/17 18:22:00 CM0 setenv: 'CONNECT=115200' > >02/17 18:22:00 CM0 setenv: 'DEVICE=ttyACM0' > >02/17 18:22:00 ##### data dev=ttyACM0, pid=19074, caller='none', > >conn='115200', name='', cmd='/bin/login', user='vyatta' > > > >But the problem systems never get to the tio_get_rs232_lines: > [..] > > I'm doing the dialing from minicom, And I've tried using the mgetty > > version from the older systems on the new systems, but that seemed to > > make no difference. I've also tried replacing the login deb with the one > > from the older systems, but that also does not seem to make any > > difference. > > This hints more at problems with the USB tty drivers. > > As in "if an application does stupid things like 'query serial lines > status' then just hang, instead of returning useful information" - > otherwise there would be something in the mgetty log. > > Is debian using a modified kernel, or "bog standard Linus distribution > kernel"? You might want to try an "off the shelf" kernel... Well, there is no real "standard kernel". I would also recommend to try a few different linux kernel versions (also older ones from Debian). I copied the debian kernel mailinglist, perhaps there's some good input from there. Cheers, Andi -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org