On Wed, Apr 6, 2016 at 5:02 PM, Bin Liu <b-liu@xxxxxx> wrote: > On Wed, Apr 06, 2016 at 03:35:41PM +0200, Yegor Yefremov wrote: >> On Wed, Apr 6, 2016 at 3:26 PM, Bin Liu <b-liu@xxxxxx> wrote: >> > On Wed, Apr 06, 2016 at 03:17:48PM +0200, Yegor Yefremov wrote: >> >> On Wed, Apr 6, 2016 at 3:09 PM, Bin Liu <b-liu@xxxxxx> wrote: >> >> > On Wed, Apr 06, 2016 at 11:53:26AM +0200, Yegor Yefremov wrote: >> >> >> > 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" >> >> > >> >> > So this tx fifo flush warning can be ignored, right? >> >> >> >> This is difficult to say. Could you make a connection with MA260? And >> >> I must also make a test with HackRF hardware. I'll let you know, as >> >> soon as I've tested it. >> >> >> >> Do you have an idea, how one can fix this nevertheless? >> > >> > No. As Felipe mentioned in this thread earlier, we don't get much help >> > from the MUSB document. Unless this issue caused any functional problem, >> > I wouldn't spend more time on it. >> >> What should we do with the warning message? It will make users worry >> about the system. > > We decided to use WARN() until we have enuogh data to conclude the flush > error does not break any function. But we are not there yet. > >> >> Could you then look at the freeze issue with removing FTDI device >> during it is working? > > I can. I will have to first locate a FT4243H device. Insert MA260 and execute following command: cat /dev/zero > /dev/ttyUSB2 then remove MA260 - system freezes. -- 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