I split the problematic bus into three (using three adapters for them rather than one), and this solved the problem. At least no problems for over two weeks now.
-Steinar Steinar Midtskogen <stei...@latinitas.org> writes: > owserver ran fine for a day or so, then I began to see random device > dropouts on one bus. This went on for nearly an hour before I noticed > and killed owserver. At that time most devices on that bus were > unreadable. Restarting it fixed the problem. > > I have a full trace, but it's big, about 1GB. bzip2'd it's 16MB and > it can be downloaded here: > > http://voksenlia.net/owserver.log.bz2 > > Note that the end includes about half a minute of a new owserver > session after I killed the original. A backward search for > "exit_handler" from the end will take you back to the failing owserver > session, and before that the log should show that something is wrong. > The "broken" bus was bus.2 (assuming that the restart did not change > the bus numbering). Anyway, the devices on the bus were: > > 10.53F652010800 > 28.CCA131000000 > 28.FA9831000000 > 28.56747E010000 > 28.856C31000000 > 28.6D6B31000000 > 28.ED7715000000 > 28.1D437E010000 > 26.396385000000 > 26.3F4AB5000000 > 1D.9E220A000000 > 1D.311B09000000 > > So the question is why couldn't owserver read the values of these? > No problems were logged in the syslog. > > Please let me know if there is anything I can do to debug this. The > cases when owserver simply dies are easy to work around as I can have > owserver restart automatically. Device dropouts can more easily go > undetected for a while. A possible workaround is to kill owserver > every X minutes automatically to ensure that the error isn't allowed > to stay active very long. > > I run owserver this way: > > owserver -uall -p 3000 --foreground --error_level=9 --error_print 2 > > I have 16 DS9490R adapters connected. owserver 2.8p13. > > -Steinar > > > Steinar Midtskogen <stei...@latinitas.org> writes: > >> Unfortunetaly, owserver only ran a few hours this way and died. I'll >> try to get some debug info. >> >> -Steinar >> >> Steinar Midtskogen <stei...@latinitas.org> writes: >> >>> Paul Alfille <paul.alfi...@gmail.com> writes: >>> >>>> I just tried 7 DS9490R adapters (all I had at hand). Worked well. >>> ... >>>> I believe that the only limit of adapters is libusb and the USB protocol. >>>> owserver puts all the adapters in linked list of effectively unlimited >>>> size. >>> >>> I've now tried a setup with 15 adapters (will become 18 when I'm >>> done). At first I wasn't able to get owserver to see more than 8-9 >>> adapters at a time. If I added more than that, either it didn't >>> appear, or it appeared but another adapter disappeared. But all >>> devices showed up in the system log. >>> >>> I was using two 10 port USB hubs, one connected to the other. Then I >>> tried to connect both hubs directly to the computer, i.e. flattening >>> the USB bus hierarchy, and this made owserver see everything. >>> >>> Do you think this is an owserver issue or a usblib issue? >> >> -- >> Steinar >> >> >> ------------------------------------------------------------------------------ >> Get a FREE DOWNLOAD! and learn more about uberSVN rich system, >> user administration capabilities and model configuration. Take >> the hassle out of deploying and managing Subversion and the >> tools developers use with it. >> http://p.sf.net/sfu/wandisco-dev2dev >> _______________________________________________ >> Owfs-developers mailing list >> Owfs-developers@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/owfs-developers ------------------------------------------------------------------------------ Special Offer -- Download ArcSight Logger for FREE! Finally, a world-class log management solution at an even better price-free! And you'll get a free "Love Thy Logs" t-shirt when you download Logger. Secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsisghtdev2dev _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
