Someone figured out that the tty layer changed in 2.6.10 and therefore this driver gives a segfault.
Steps to Reproduce:
That the modem would initiliaze.
Created attachment 54197 [details]
Created attachment 54198 [details, diff]
Patches the tty to work in >=2.6.10
fixed in -r1, thanks.
hope it works now
The portage-version worked out of the box!
Closing the bug.