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Alexander Chemeris alexander.chemeris at gmail.comOn Mon, Jul 15, 2013 at 2:35 PM, Thomas Tsou <ttsou at vt.edu> wrote: > On Sun, Jul 14, 2013 at 10:01 PM, Alexander Chemeris > <alexander.chemeris at gmail.com> wrote: >> I've made some progress in making osmo-trx able to power off/on >> without restart. At this moment it's almost there - the only big >> remaining issue I see is some bug with UHD device start/stop. It seems >> we do not re-initialize it properly and assert (num_rd == OUTCHUNK) >> fails. I hope you could fix that. > > This is a very positive patch set. As you very well know, the power > on/off handling was in a ugly state. One of the remaining issue with > UHD start/stop is that the device clock is reset to zero at restart, > but not all of the timestamp counters are reset in radioInterface. The > radioInterface is not stopped at all until deallocation since > 'POWEROFF' is an empty command. I made an attempt to implement it in the 806a64b1 patch. If you check out this commit, you should get the assert during TURN ON/OFF/ON sequence. To start/stop transceiver I use scripts attached to this e-mail. > I've only looked at the outer thread interface changes, but the > ability to tear down individual threads (instead of uncontrolled stack > unwinding) makes the remaining issues much more straightforward. > There's a fair amount of old code that was probably never written with > restart in mind, but I don't see any issues with cleaning that up. For the old code we could use "compatibility" mode where we don't shutdown or exit on shutdown. -- Regards, Alexander Chemeris. CEO, Fairwaves LLC / ООО УмРадио http://fairwaves.ru -------------- next part -------------- A non-text attachment was scrubbed... Name: transceiver_send_dual_shutdown.py Type: application/octet-stream Size: 4007 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20130715/d1a071d4/attachment.obj> -------------- next part -------------- A non-text attachment was scrubbed... Name: transceiver_send_dual_start.py Type: application/octet-stream Size: 6440 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20130715/d1a071d4/attachment-0001.obj>