isdn interface setup fails after gutsy to hardy upgrade

[Andrew Stevens]

Binary package hint: isdnutils

When starting isdn after a hardy upgrade the ifconfig in /etc/isdn/device.ippp0 (generated
using isdnconfig) setting the dummy IP addresses fails with SIOCSIFFLAGS: Invalid argument

Driver module is 'hisax' with option 'type=35' to select driver support for the installed card.

There are no obvious warnings or errors from the ISDN card kernel driver. Module load
completes normally with

[ 29.770290] HiSax: DSS1 Rev. 2.32.2.3
[ 29.770292] HiSax: 2 channels added
[ 29.770295] HiSax: MAX_WAITING_CALLS added

The issue appears kernel related - if the system is booted with 2.6.22-15 (left over from the gutsy install)
isdn starts up and works normally.

[Leann Ogasawara (leannogasawara)]

The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would appreciate it if you could please test this newer 2.6.27 Ubuntu kernel. There are one of two ways you should be able to test:

1) If you are comfortable installing packages on your own, the linux-image-2.6.27-* package is currently available for you to install and test.

--or--

2) The upcoming Alpha5 for Intrepid Ibex 8.10 will contain this newer 2.6.27 Ubuntu kernel. Alpha5 is set to be released Thursday Sept 4. Please watch http://www.ubuntu.com/testing for Alpha5 to be announced. You should then be able to test via a LiveCD.

Please let us know immediately if this newer 2.6.27 kernel resolves the bug reported here or if the issue remains. More importantly, please open a new bug report for each new bug/regression introduced by the 2.6.27 kernel and tag the bug report with 'linux-2.6.27'. Also, please specifically note if the issue does or does not appear in the 2.6.26 kernel. Thanks again, we really appreicate your help and feedback.

[Neil Munro (neilmunro-deactivatedaccount)]

The Intrepid Ibex 8.10 Beta release was most recently announced - http://www.ubuntu.com/testing/intrepid/beta . It contains the 2.6.27 Ubuntu kernel. It would be great if you could test and verify if this is still an issue. The status is being set to Incomplete until we receive further feedback. Thanks.

[Andrew Stevens (andrew-stevens-email)]

I managed to track down a small patch from the kernel mailing lists for isdn_net.c that fixed the
issue for 2.6.24. I believe this propagated into the main kernel a while back.

http://bugzilla.kernel.org/show_bug.cgi?id=9923

[Leann Ogasawara (leannogasawara)]

Thanks Andrew. Yup, this patch is in the Intrepid kernel, so I'll go ahead and mark this "Fix Released" for Intrepid.

ogasawara@yoji:~/ubuntu-intrepid$ git log d2dcba612b357a4687843ad4f46629d219233fd7

commit d2dcba612b357a4687843ad4f46629d219233fd7

Author: Paul Bolle <email address hidden>

Date: Sun Apr 13 22:44:20 2008 -0700

    [ISDN]: Do not validate ISDN net device address prior to interface-up

[Rolf Leggewie (r0lf)]

looks like this was a kernel issue. Closing the isdnutils task.