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 > I also tried the same procedure with a xHCI controller, the behavoir is > the same - in very first enumeration mmcli can find SIM, but does not > since the second time. > > So I would think the finding SIM card problem since second enumeration > is not related to musb tx fifo flush issue. Yegor -- 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
