Cannot send message: QMI service 'pdc' version '1.15' required, got version '1.0'

[Aleksander Morgado]

>
> > I’m testing mm 1.12.2 + libqmi 1.24.2 on sierra EM7565 (openwrt). Please see last line of log. Is this ok?
> >
> >
> >
> > I do not see this in mm 1.12.0 + libqmi 1.24.0
> >
> >
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Enabling QMI indications via MBIM...
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] enabled QMI indications via MBIM
> >
> > Dec 13 15:51:38 OpenWrt [5904]: <info>  [cdc-wdm0] MBIM device is QMI capable
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Allocating new client ID...
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Registered 'dms' (version 1.0) client with ID '1'
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Allocating new client ID...
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Registered 'nas' (version 1.25) client with ID '2'
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Allocating new client ID...
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Registered 'loc' (version 2.0) client with ID '1'
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Allocating new client ID...
> >
> > Dec 13 15:51:38 OpenWrt [5904]: [/dev/cdc-wdm0] Registered 'pdc' (version 1.0) client with ID '1'
> >
> > Dec 13 15:51:39 OpenWrt [5904]: <info>  QMI-based capability and mode switching support enabled
> >
> > Dec 13 15:51:39 OpenWrt [5904]: <warn>  couldn't load carrier config: 'Cannot send message: QMI service 'pdc' version '1.15' required, got version '1.0''
> >
>
> I believe the issue is unrelated to the MM/libqmi version. It would be
> very strange that the modem replies differnet things when using
> different libqmi versions really.
>
> The problem, though, is something we should fix. The version checks
> done by libqmi are truly broken, because they rely on the version info
> for each message that is defined in our message database, and that
> information is far from good or up to date. If the message is not
> supported by the device, we'll get an error when trying to use it.
> Trying to return an early error before sending the request assuming
> our information of when it was introduced is good is not the way to
> go.
>

See https://gitlab.freedesktop.org/mobile-broadband/libqmi/merge_requests/80

Comments welcome


-- 
Aleksander
https://aleksander.es