It certainly could be a hardware issue. Possibly PSU or the linkUSB or something else. The fact that it fails so infrequently is unusual though, for hardware or software.
Colin On 3 March 2017 at 22:18, Stefano Miccoli <mo...@icloud.com> wrote: > Just for info, I run a similar system, but I do not have any problem. My > setup is: > > Raspberry Pi Model B Rev 2 > LinkUSB, HW rev. E3 > > Raspbian GNU/Linux 8.0 (jessie) > Linux 4.4.38+ #938 Thu Dec 15 15:17:54 GMT 2016 > owserver 2.9p8-6 > > I would suggest to check the power supply. > > Stefano > >> On 3 Mar 2017, at 17:48, Jan Kandziora <j...@gmx.de> wrote: >> >> Am 03.03.2017 um 14:44 schrieb Colin Law: >>> >>> I too had expected to see messages about the usb device being >>> disconnected, or something similar, but there is nothing. >>> >> Okay. Then we are a bit lost. >> >> There is nothing we can do about this from OWFS. It's a USB problem. >> >> >>> I don't know whether it may be relevant but I have a udev rule to map >>> the device to /dev/linkUSB but there is no mention of this anywhere in >>> the log, as far as I can see. >>> >> Please try updating the kernel. Maybe there was a bug in ftdi_sio. >> >> Kind regards >> >> Jan >> >> >> ------------------------------------------------------------------------------ >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, SlashDot.org! http://sdm.link/slashdot >> _______________________________________________ >> Owfs-developers mailing list >> Owfs-developers@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/owfs-developers > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers