mmcli set-current-bands - Segmentation fault

[Leo K]

Hi Reinhard,

You rock!

I was using the mmcli from the deb buster repo and it hasn't got the fix
yet. Therefore I purged mm and libqmi and built everything from the source.
It was very painful to do it from my raspberry pi but I finally got
this €5.00 4G LTE PCI-e modem to work! There was no way that I could figure
this out by myself without your help!

Thanks,
Leo



On Mon, Jun 15, 2020 at 12:27 AM Reinhard Speyerer <rspmn at arcor.de> wrote:

> On Sat, Jun 13, 2020 at 10:35:51PM +0800, Leo K wrote:
> > Hi all,
> >
> > I'm trying to enable the LTE-FDD bands but getting the following error:
> >
> > [...]
> > pi at okamoto:~ $ sudo mmcli -m 0
> >
> --set-current-bands='egsm|dcs|utran-1|utran-8|eutran-1|eutran-3|eutran-8|eutran-38|eutran-39|eutran-40|eutran-41'
> > error: couldn't set current bands:
> > 'GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient
> > disconnected from message bus without replying'
> >
> > >From the log:
> > [...]
> > ModemManager[9479]: <debug> [1592058547.672452] Setting new list of
> bands:
> > 'egsm, dcs, utran-1, utran-8, eutran-1, eutran-3, eutran-8, eutran-38,
> > eutran-39, eutran-40, eutran-41'
> > Segmentation fault
> > pi at okamoto:~ $
> >
> >
> > Looks like MM crashed too so I wonder if it has something to do with my
> > setup please?
> >
>
> Hi Leo,
>
> this looks similar to
>
> https://lists.freedesktop.org/archives/modemmanager-devel/2019-August/007356.html
> which has been fixed in
>
> https://lists.freedesktop.org/archives/modemmanager-devel/2019-August/007365.html
> and merged in
>
> https://gitlab.freedesktop.org/mobile-broadband/ModemManager/merge_requests/140
> .
>
> Regards,
> Reinhard
>
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