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Andrey Sviyazov andreysviyaz at gmail.comHi Craig. Yeah, it seem really "War and Peace" by Leo Tolstoy<http://en.wikipedia.org/wiki/War_and_Peace> :) Please, let us know how UmTRX will work via USB to Gigabit Ethernet Adapter. Best regards, Andrey Sviyazov. 2013/3/16 Craig Reading <craig.reading1 at gmail.com> > All, > > Thanks for you help I have sort of resolved this issue: > > UmTRX now hanging off TP-Link TL-SG1005D Gigabit switch and Shuttle > XS35-703 V2 running OpenBTS hanging off Netgear FS605 10/100Mbps switch. > > Root cause: JMicron JMC250 connecting to a Gigabit switch and the link > partner enabled the IEEE 802.3az Energy Efficient Ethernet feature > War and peace can be found here: > > http://genesysguru.com/blog/blog/2013/03/16/umtrx-networking-issues/ > > Regards > Craig > > On 16 March 2013 12:33, Alexander Chemeris <alexander.chemeris at gmail.com>wrote: > >> We temporarily solved issues with this JMC chip by putting a switch >> between it and UmTRX, but not all models of switches worked and even >> after that stability was not perfect. >> >> Looking forward to know more about your experience. >> >> On Sat, Mar 16, 2013 at 1:39 AM, Craig Reading <craig.reading1 at gmail.com> >> wrote: >> > Yes - shuttle with JMicron JMC250 (off top of my head). Depends on chip >> > revision - complete pain! >> > >> > I'll post my experiences - basically no joy on Pre revision 4 chips. >> > >> > Regards >> > Craig >> > On 15 Mar 2013, at 21:24, Alexander Chemeris < >> alexander.chemeris at gmail.com> >> > wrote: >> > >> > Craig, >> > >> > Which NIC is that? We had the same experience (no Gbit connection) on >> > Shuttle computers. I don't have this information near my hands, but IIRC >> > they had JMicron NICs. We never had issues with Intel motherboards. >> > >> > Please excuse typos. Written with a touchscreen keyboard. >> > >> > -- >> > Regards, >> > Alexander Chemeris >> > CEO/Founder Fairwaves LLC >> > http://fairwaves.ru >> > >> > On Mar 15, 2013 11:26 PM, "Craig Reading" <craig.reading1 at gmail.com> >> wrote: >> >> >> >> Hi Alexander >> >> >> >> I'll email the wireshark trace to you shortly. Yes I have been playing >> >> with network setup but can't remember the configuration when >> successful! >> >> >> >> The openBTS server has a 1Gbit NIC but can't get it to negotiate >> anything >> >> other than 100Mbit even after updating drivers and much other >> 'playing' with >> >> cables hubs and switches! >> >> >> >> Mr Amazon is bringing some new network components tomorrow which should >> >> help further my investigations. >> >> >> >> This might well be one of these weird network issues you have seen >> that we >> >> might get to the bottom off. >> >> >> >> Regards >> >> Craig >> >> >> >> On 15 Mar 2013, at 19:04, Alexander Chemeris >> >> <alexander.chemeris at gmail.com> wrote: >> >> >> >> Craig, >> >> >> >> Could you please send a Wireshark capture of the start attempt? Send >> it to >> >> me directly if it's more then 100k. >> >> >> >> This looks very much like a networking issue. Have you changed your >> >> network setup since it was working? May be connected it through a >> different >> >> switch? We found that some models of switches does not work well and >> >> introduce weird issues. >> >> >> >> Is your network card 100Mbit or 1Gbit? >> >> >> >> If it's an UmTRX issue indeed, we'll replace it. Our beta testers is >> our >> >> most precious asset. >> >> >> >> Please excuse typos. Written with a touchscreen keyboard. >> >> >> >> -- >> >> Regards, >> >> Alexander Chemeris >> >> CEO/Founder Fairwaves LLC >> >> http://fairwaves.ru >> >> >> >> On Mar 15, 2013 10:07 PM, "Craig Reading" <craig.reading1 at gmail.com> >> >> wrote: >> >>> >> >>> Hi All, >> >>> >> >>> After my initial success early in the week things seems to have gone >> pear >> >>> shaped! >> >>> >> >>> I cannot get OpenBTS to start reliably as per traces below. After a >> power >> >>> cycle of the UmTRX I can normally get OpenBTS to start for a few >> seconds >> >>> before the transceiver terminates again. ./transceiver starts and >> runs on >> >>> its own OK but there is a lot less traffic in a wireshark trace >> compared to >> >>> being started from OpenBTS. >> >>> >> >>> When the transceiver starts from OpenBTS a Wireshark trace shows a >> lot of >> >>> UDP packets. >> >>> >> >>> Approx 460 x 36 byte UDP packets for the first 0.5 seconds >> >>> Then some variable length UDP packets all ACKed back with 36 bytes >> >>> After 0.8 from startup the UmTRX sends a 28 byte message: >> >>> >> >>> 14d0000700000005000000140000000000a6d5180000000000100100 >> >>> >> >>> After approx 1.0s from startup I then only get a few packets back from >> >>> UmTRX >> >>> After 5s I get nothing back from UmTRX >> >>> After 6s I get an ICMP Port Unreachable >> >>> >> >>> If I had more time I would look into the transceiver source code to >> >>> figure out where things are stopping. >> >>> >> >>> I suspect this might be a networking issue and have tried changing >> some >> >>> Linux kernel buffer settings without success. I have also reset my >> OpenBTS >> >>> database just in case I had an option in there causing this. I'll >> carry on >> >>> checking out the network side of things but I am starting so suspect >> there >> >>> might be an issue with the UmTRX. >> >>> >> >>> Help! >> >>> >> >>> Regards >> >>> Craig >> >>> >> >>> >> Traces >> >>> >> >>> ALERT 46937531359488 TRXManager.cpp:408:powerOn: POWERON failed with >> >>> status -1 >> >>> transceiver: no process killed >> >>> linux; GNU C++ version 4.1.2 20080704 (Red Hat 4.1.2-52); >> Boost_104100; >> >>> UHD_003. >> >>> 004.000-93a49d0 >> >>> >> >>> terminate called after throwing an instance of 'uhd::runtime_error' >> >>> what(): RuntimeError: no control response >> >>> EMERG 1101519168 OpenBTS.cpp:134:startTransceiver: Transceiver quit >> with >> >>> status >> >>> 6. Exiting. >> >>> >> >>> or: >> >>> >> >>> ALERT 47613775102208 TRXManager.cpp:408:powerOn: POWERON failed with >> >>> status -1 >> >>> transceiver: no process killed >> >>> linux; GNU C++ version 4.1.2 20080704 (Red Hat 4.1.2-52); >> Boost_104100; >> >>> UHD_003. >> >>> 004.000-93a49d0 >> >>> >> >>> ALERT 47832442212256 UHDDevice.cpp:469:open: UHD make failed, device >> >>> type=umtrx, >> >>> addr=192.168.1.10,name=UmTRX,serial=13 >> >>> ALERT 47832442212256 runTransceiver.cpp:95:main: Transceiver >> exiting... >> >>> >> >>> EMERG 1104513344 OpenBTS.cpp:134:startTransceiver: Transceiver quit >> with >> >>> status >> >>> 256. Exiting. >> >>> >> > >> >> >> >> -- >> Regards, >> Alexander Chemeris. >> CEO, Fairwaves LLC / ООО УмРадио >> http://fairwaves.ru >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/umtrx/attachments/20130316/5b8f34d2/attachment.htm>