Re: [Owfs-developers] owserver issue with kernel 5.10

[Rainer D. <ml...@bo...>]

Hi,

unfortunately, I cannot repro the issue right now. Not sure what happened. I 
will follow-up if it comes back...

Rainer

Am Mittwoch, 29. Dezember 2021, 18:21:38 CET schrieb Rainer Dorsch via Owfs-
developers:
> Hi,
> 
> I have an elabnet professional bus master (PBM) on Debian server (armhf,
> cubox-i). After upgrading from Debian 10 to Debian 11 owserver does not work
> anymore. If I boot the Debian 11 system with the older kernel 4.19.0 from
> Debian 10, owserver works again.
> 
> Is there any kernel dependency which I need to take care of when switching
> from Kernel 4.19 to 5.10?
> 
> Here are some logs:
> 
> Kernel 5.10.0:
> ==============
> rd@home:~$ owget /
> /bus.1
> /uncached
> /settings
> /system
> /statistics
> /structure
> rd@home:~$
> 
> rd@home:~$ systemctl status owserver
> ● owserver.service - Backend server for 1-wire control
>      Loaded: loaded (/lib/systemd/system/owserver.service; enabled; vendor
> preset: enabled)
>      Active: active (running) since Wed 2021-12-29 16:09:20 CET; 1h 21min
> ago TriggeredBy: ● owserver.socket
>        Docs: man:owserver(1)
>    Main PID: 419 (owserver)
>       Tasks: 4 (limit: 4729)
>      Memory: 1.4M
>         CPU: 3min 42.672s
>      CGroup: /system.slice/owserver.service
>              └─419 /usr/bin/owserver --foreground -c /etc/owfs.conf
> 
> Dec 29 16:08:58 home systemd[1]: Starting Backend server for 1-wire
> control... Dec 29 16:08:58 home owserver[419]: DEFAULT: ow_opt.c:(780)
> systemd mode -- ignore foreground request
> Dec 29 16:08:58 home owserver[419]: DEFAULT: ow_opt.c:(670) systemd mode --
> ignore 'p' option
> Dec 29 16:09:04 home owserver[419]: DEFAULT: ow_elabnet.c:(145) PBM
> detection error
> Dec 29 16:09:14 home owserver[419]: DEFAULT: ow_elabnet.c:(145) PBM
> detection error
> Dec 29 16:09:20 home owserver[419]: DEFAULT: ow_elabnet.c:(145) PBM
> detection error
> Dec 29 16:09:20 home owserver[419]: DEFAULT: owlib.c:(208) Cannot open USB
> bus master
> Dec 29 16:09:20 home systemd[1]: Started Backend server for 1-wire control.
> rd@home:~$
> 
> Restart owserver:
> 
> Dec 29 17:31:35 home systemd[1]: Stopping Backend server for 1-wire
> control... Dec 29 17:31:35 home systemd[1]: owserver.service: Succeeded.
> Dec 29 17:31:35 home systemd[1]: Stopped Backend server for 1-wire control.
> Dec 29 17:31:35 home systemd[1]: owserver.service: Consumed 3min 43.935s CPU
> time.
> Dec 29 17:31:35 home systemd[1]: Starting Backend server for 1-wire
> control... Dec 29 17:31:35 home owserver[20717]: DEFAULT: ow_opt.c:(780)
> systemd mode -- ignore foreground request
> Dec 29 17:31:35 home owserver[20717]: DEFAULT: ow_opt.c:(670) systemd mode
> -- ignore 'p' option
> Dec 29 17:31:40 home owserver[20717]: DEFAULT: ow_elabnet.c:(145) PBM
> detection error
> Dec 29 17:31:41 home owserver[20717]: DEFAULT: owlib.c:(208) Cannot open USB
> bus master
> Dec 29 17:31:41 home systemd[1]: Started Backend server for 1-wire control.
> 
> Kernel 4.19-0:
> ==============
> 
> rd@home:~$ owget /
> /2D.8967C0120000
> /2D.F075C0120000
> /2D.FD6AC0120000
> /3A.C31626000000
> /3A.EDE537000000
> /3A.791426000000
> /3A.E98A25000000
> /3A.D11626000000
> /3A.51991C000000
> /3A.C16238000000
> /3A.017325000000
> /3A.1E2B26000000
> /3A.821626000000
> /3A.2CE537000000
> /3A.541826000000
> /3A.84DA37000000
> /3A.202A26000000
> /28.FF2741801604
> /28.FFF144801604
> /28.FFA666801603
> /28.FFA620841603
> /28.FFB843801604
> /bus.4
> /bus.3
> /bus.2
> /bus.1
> /uncached
> /settings
> /system
> /statistics
> /structure
> /simultaneous
> /alarm
> rd@home:~$
> 
> rd@home:~$ systemctl status owserver
> ● owserver.service - Backend server for 1-wire control
>      Loaded: loaded (/lib/systemd/system/owserver.service; enabled; vendor
> preset: enabled)
>      Active: active (running) since Wed 2021-12-29 17:46:54 CET; 6min ago
> TriggeredBy: ● owserver.socket
>        Docs: man:owserver(1)
>    Main PID: 360 (owserver)
>       Tasks: 8 (limit: 4739)
>      Memory: 2.3M
>         CPU: 8.231s
>      CGroup: /system.slice/owserver.service
>              └─360 /usr/bin/owserver --foreground -c /etc/owfs.conf
> 
> Dec 29 17:46:49 home systemd[1]: Starting Backend server for 1-wire
> control... Dec 29 17:46:49 home owserver[360]: DEFAULT: ow_opt.c:(780)
> systemd mode -- ignore foreground request
> Dec 29 17:46:49 home owserver[360]: DEFAULT: ow_opt.c:(670) systemd mode --
> ignore 'p' option
> Dec 29 17:46:54 home owserver[360]: DEFAULT: ow_elabnet.c:(145) PBM
> detection error
> Dec 29 17:46:54 home owserver[360]: DEFAULT: owlib.c:(208) Cannot open USB
> bus master
> Dec 29 17:46:54 home systemd[1]: Started Backend server for 1-wire control.
> rd@home:~$
> 
> 
> Are three any additional useful logs?
> 
> Thanks
> Rainer


-- 
Rainer Dorsch
http://bokomoko.de/