"DeviceNotReady" when enabling modem on Qualcomm SM7225

[Luca Weiss]

Hi,
thanks for the suggestion but even though the reset seems to be successful the 
modem is still returning the same error on an enable afterwards.

Regards
Luca

On Sonntag, 23. Jänner 2022 08:03:26 CET Mrkiko Rs wrote:
> Hello!
> I have zero experience with this kind of modem. Still, when my modem is in
> power-off state, I won’t be able to use it, unless I do use -r to restart
> the modem. At least with laptops modems…
> 
> > Il giorno 22 gen 2022, alle ore 20:55, Luca Weiss <luca at z3ntu.xyz> ha
> > scritto:
> > 
> > Hi, I'm trying to get modemmanager to work on Fairphone 4 mainline (SoC
> > is
> > Snapdragon 750G, sm7225)
> > 
> > (sidenote, sm6350 is very similar to sm7225 apart from clock speeds and
> > some minor hardware differences)
> > 
> > The modem remoteproc comes up fine, and (as it's a dual SIM device) after
> > I
> > select the correct "application" in the privisioning session (see https://
> > wiki.postmarketos.org/wiki/User:TravMurav/Dual-Sim_QMI_draft) the mmcli
> > output looks okay to me.
> > 
> > $ mmcli -m 0
> > 
> >  -----------------------------
> >  General  |              path: /org/freedesktop/ModemManager1/Modem/0
> >  
> >           |         device id: 46e6d18484ff43e780268699ddc1ca2555ed07cc
> >  
> >  -----------------------------
> >  Hardware |      manufacturer: QUALCOMM INCORPORATED
> >  
> >           |             model: 0
> >           | 
> >           | firmware revision: MPSS.HI.2.0.1.c6-00447-BITRA_GEN_PACK-1  1
> > 
> > [Jun 08 2021 18:00:00]
> > 
> >           |    carrier config: default
> >           |    
> >           |      h/w revision: 10000
> >           |      equipment id: 355870090002350
> >  
> >  -----------------------------
> >  System   |            device: qcom-soc
> >  
> >           |           drivers: ipa, qrtr
> >           |           
> >           |            plugin: qcom-soc
> >           |      
> >           |      primary port: qrtr0
> >           |      
> >           |             ports: qrtr0 (qmi), rmnet_ipa0 (net)
> >  
> >  -----------------------------
> >  Status   |              lock: sim-pin2
> >  
> >           |    unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3),
> >           |    sim-
> > 
> > puk2 (10)
> > 
> >           |             state: disabled
> >           |       
> >           |       power state: off
> >           |    
> >           |    signal quality: 0% (cached)
> >  
> >  -----------------------------
> >  Modes    |         supported: allowed: any; preferred: none
> >  
> >           |           current: allowed: any; preferred: none
> >  
> >  -----------------------------
> >  IP       |         supported: ipv4, ipv6, ipv4v6
> >  -----------------------------
> >  SIM      |  primary sim path: /org/freedesktop/ModemManager1/SIM/1
> >  
> >           |    sim slot paths: slot 1:
> >           |    /org/freedesktop/ModemManager1/SIM/0
> >           |    
> >           |                    slot 2: none (active)
> > 
> > As far as I know then I am supposed to enable the modem using "mmcli -m 0
> > -e" but running this gives the following error:
> > 
> > error: couldn't enable the modem:
> > 'GDBus.Error:org.freedesktop.libqmi.Error.Protocol.DeviceNotReady:
> > Couldn't
> > set operating mode: QMI protocol error (52): 'DeviceNotReady''
> > 
> > As far as I understand this is the modem firmware returning this error
> > code (I assume modem logs would tell what's going on but I'm not aware of
> > a way to retrieve them - on mainline at least).
> > 
> > I also uploaded the log of "/usr/sbin/ModemManager --debug
> > --log-level=DEBUG --log-file=modemmanager.log --log-timestamps" here:
> > https://pastebin.com/raw/ebTvgxzD
> > 
> > Anyone have an idea what's going on here and what might be missing in my
> > setup?
> > 
> > Regards
> > Luca
> > 
> > Original GitLab issue:
> > https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/484