Ubuntu
modemmanager package

  1. Bug #459052
  2. Comment #2

Comment 2 for bug 459052

Revision history for this message
Alexander Sack (asac) wrote : Re: [Bug 459052] Re: some sierra modem tty's get killed by CFUN=1

On Fri, Oct 23, 2009 at 01:01:51PM -0000, Alexander Sack wrote:
>
> ** Attachment added: "patch: do not use CFUN=1 command for sierras"
> http://launchpadlibrarian.net/34248245/lp452427_sierra_cfun.patch
>

The problem seems to be that some sierra modems need this CFUN=1 as
they are regularly powered down on startup ... while other sierra
modems crash on CFUN=1 (like you do ) ... can you please attach the
output of lsusb and also minicom against your tty and check what an
AT+ATI gives you?

 - Alexander