On Tue, Apr 5, 2016 at 7:58 PM, Bin Liu <b-liu@xxxxxx> wrote: > On Tue, Apr 05, 2016 at 06:35:36PM +0200, Yegor Yefremov wrote: >> On Tue, Apr 5, 2016 at 4:09 PM, Bin Liu <b-liu@xxxxxx> wrote: >> > Yegor, >> > >> > On Tue, Apr 05, 2016 at 08:16:27AM +0200, Yegor Yefremov wrote: >> >> >> > >> >> >> > Could you post output from: >> >> >> > >> >> >> > mmcli -m 0 >> >> >> >> >> >> root@debian:~# mmcli -m 0 >> >> >> error: couldn't get bus: Could not connect: No such file or directory >> >> >> >> >> >> root@debian:~# mmcli -L >> >> >> error: couldn't get bus: Could not connect: No such file or directory >> >> >> >> >> >> Seems like I miss something in my rootfs? >> >> >> >> >> > >> >> > Ok, missing 'dbus' package. I am able to see the issue now. Does your >> >> > modem still functional after the fifo flush issue? I am not familiar >> >> > with modem. >> >> >> >> Can Modemmanager find your SIM card? mmcli -m 0 | grep SIM >> >> >> >> SIM | path: '/org/freedesktop/ModemManager1/SIM/0' >> >> >> >> My Huawei E353 has no problems with finding it, but MA260. So I cannot >> >> really try it. AT interface is still functioning, but I can't check, >> >> if qmi one is working. >> > >> > Here is what I found with two modems including MA260. Right after booted >> > the board and connected the modem, tx fifo flush problem happens, but >> > 'mmcli -m 0' _can_ find the SIM card. >> >> I think I have physical problem with my SIM card. It is a micro SIM in >> a plastic adapter. I think it is a little bit higher, than in the >> original adapter, that is now broken. E353 seems to have better >> contacts. >> >> > Now remove the modem then plug it again, fifo flush problem does not >> > happen at this time, but 'mmcli -m 0' is unable to find the SIM card >> > anymore, with the following error. >> > >> > error: couldn't find modem at '/org/freedesktop/ModemManager1/Modem/0' >> >> ModemManager counts modem high, so that after you replug it you'll have it at 1 >> >> mmcli -m 1 >> >> You can check the number via >> >> mmcli -L > > Thanks for the tip. Yes, mmcli can aleays find the SIM card. I've got SIM7100E card working with ModemManager. It also provokes the same tx fifo error, but wwan0 is working afterwards. At least I could make a connection, get IP address over DHCP and ping an URL. mmcli -m 0 --simple-connect="apn=internet.eplus.de" -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html