I recently moved my OWFS setup to a new installation (on Funtoo, should it matter), and have noticed that I do have the issue Markus mentioned.
I haven't spent much time debugging quite yet. Curiously, though, while 'cat' doesn't work, other methods of reading such as 'head' or opening the file in Python seem unaffected. ~Jacob On Sun, 04 Jan 2015 10:59:08 +0100 Stefano Miccoli <mo...@icloud.com> wrote: > It seems that your question is still unanswered, so I will try to > help you, although I___m not able to replicate your setup (and I___m no > expert of the internal workings of owfs). > > From your message it seems that the problem is limited to owfs, and > not in owserver, but let me double-check. > > 1) Do you have an owserver running and owfs is quering owserver? > (You can check by inspecting owfs.conf and running ___sudo netstat > -tlp___. If there is an owserver deamon running there should be a line > like > > Active Internet connections (only servers) > Proto Recv-Q Send-Q Local Address Foreign Address > State PID/Program name tcp 0 0 > *:4304 *:* LISTEN > 31595/owserver > > 2) If you have an owserver running can you confirm that > ___owread /10.FE771D020800/temperature___ gives you a sensible answer > while ___cat /mnt/1wire/10.FE771D020800/temperature___ yields an error? > > > If the problem is only in owfs a workaround would be using > owdir/owread/owwrite in the shell, and one of the clients in > module/ownet for other languages. > > Bye > > Stefano > > > On 30 Dec 2014, at 22:15, Markus Gaugusch <mar...@gaugusch.at > > <mailto:mar...@gaugusch.at>> wrote: > > > > Hi, > > > > Symptom: > > monitor:/mnt/1wire/10.FE771D020800 # cat temperature > > cat: temperature: Message too long > > > > I've updated my monitoring server from openSUSE 13.1 to 13.2, which > > broke owfs. I had 2.9p5 before and also tried to update to 2.9p8, > > but the problem stayed the same. Access using owdir, owget and > > owwrite works fine. I've started owfs in debug mode, leading to the > > following output (error at the bottom). > > > > DEBUG: ow_tcp_read.c:(63) attempt 24 bytes Time: 2.000000 seconds > > DEBUG: ow_tcp_read.c:(113) read: 24 - 0 = 24 > > DEBUG: ow_tcp_read.c:(63) attempt 8 bytes Time: 2.000000 seconds > > DEBUG: ow_tcp_read.c:(113) read: 8 - 0 = 8 > > DEBUG: ow_buslock.c:(54) pthread_mutex_lock 9A270CC begin > > DEBUG: ow_buslock.c:(54) pthread_mutex_lock 9A270CC done > > DEBUG: ow_buslock.c:(56) pthread_mutex_lock B779D9A0 begin > > DEBUG: ow_buslock.c:(56) pthread_mutex_lock B779D9A0 done > > DEBUG: ow_buslock.c:(56) pthread_mutex_unlock B779D9A0 begin > > DEBUG: ow_buslock.c:(56) pthread_mutex_unlock B779D9A0 done > > DEBUG: ow_buslock.c:(76) pthread_mutex_lock B779D9A0 begin > > DEBUG: ow_buslock.c:(76) pthread_mutex_lock B779D9A0 done > > DEBUG: ow_buslock.c:(79) pthread_mutex_unlock B779D9A0 begin > > DEBUG: ow_buslock.c:(79) pthread_mutex_unlock B779D9A0 done > > DEBUG: ow_buslock.c:(81) pthread_mutex_unlock 9A270CC begin > > DEBUG: ow_buslock.c:(81) pthread_mutex_unlock 9A270CC done > > DEBUG: ow_presence.c:(269) Presence of 10 FE 77 1D 02 08 00 3A > > FOUND on bus 127.0.0.1 > > DEBUG: ow_cache.c:(546) Adding device location 10 FE 77 1D 02 08 > > 00 3A bus=0 > > DEBUG: ow_cache.c:(635) Add to cache sn 10 FE 77 1D 02 08 00 3A > > pointer=0xb779d914 index=0 size=4 > > DEBUG: ow_cache.c:(667) pthread_mutex_lock B779D9A0 begin > > DEBUG: ow_cache.c:(667) pthread_mutex_lock B779D9A0 done > > DEBUG: ow_cache.c:(670) pthread_mutex_unlock B779D9A0 begin > > DEBUG: ow_cache.c:(670) pthread_mutex_unlock B779D9A0 done > > DEBUG: ow_cache.c:(336) pthread_mutex_lock B779D9A0 begin > > DEBUG: ow_cache.c:(336) pthread_mutex_lock B779D9A0 done > > DEBUG: ow_cache.c:(336) pthread_mutex_unlock B779D9A0 begin > > DEBUG: ow_cache.c:(336) pthread_mutex_unlock B779D9A0 done > > DEBUG: ow_read.c:(88) pthread_mutex_lock B779D9A0 begin > > DEBUG: ow_read.c:(88) pthread_mutex_lock B779D9A0 done > > DEBUG: ow_read.c:(95) pthread_mutex_unlock B779D9A0 begin > > DEBUG: ow_read.c:(95) pthread_mutex_unlock B779D9A0 done > > DEBUG: ow_read.c:(96) /10.FE771D020800/temperature return -90 > > DEBUG: ow_parsename.c:(61) /10.FE771D020800/temperature > > unique: 140, error: -90 (Message too long), outsize: 16 > > unique: 141, opcode: RELEASE (18), nodeid: 41, insize: 64, pid: 0 > > release[0] flags: 0x8000 > > CALL: owfs_callback.c:(135) RELEASE > > path=/10.FE771D020800/temperature unique: 141, success, outsize: 16 > > > > > > > > It might be related to the new kernel, but I'm not sure ... > > monitor:~ # uname -a > > Linux monitor 3.16.7-7-default #1 SMP Wed Dec 17 18:00:44 UTC 2014 > > (762f27a) i686 i686 i386 GNU/Linux > > > > > > Help! :-) > > (and many thanks for owfs!) > > > > kind regards, > > Markus > > > > ------------------------------------------------------------------------------ > > Dive into the World of Parallel Programming! The Go Parallel > > Website, sponsored by Intel and developed in partnership with > > Slashdot Media, is your hub for all things parallel software > > development, from weekly thought leadership blogs to news, videos, > > case studies, tutorials and more. Take a look and join the > > conversation now. http://goparallel.sourceforge.net > > <http://goparallel.sourceforge.net/> > > _______________________________________________ Owfs-developers > > mailing list Owfs-developers@lists.sourceforge.net > > <mailto:Owfs-developers@lists.sourceforge.net> > > https://lists.sourceforge.net/lists/listinfo/owfs-developers >
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