Possibly the kernel "ds2490" module is grabbing the bus master. What does
dmesg show?
On Jan 27, 2011 5:16 AM, "Norman Elliott" <[email protected]> wrote:
> Hi,
> I am having real problems accessing my thermocron ( DS1921G ) without
> being root.
>
> /opt/owfs/bin/owfs --foreground --error-level=9 --allow_other -C -u
> -m /home/norman/1-wire
> gives :
>
> CONNECT: owfs.c:main(123) fuse mount point: /home/norman/1-wire
> DEBUG: ow_avahi_link.c:OW_Load_avahi_
> library(77) Avahi support:
> libavahi-client loaded successfully
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(79) Avahi library
> function found: avahi_client_errno
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(80) Avahi library
> function found: avahi_client_free
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(81) Avahi library
> function found: avahi_client_new
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(82) Avahi library
> function found: avahi_client_get_domain_name
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(83) Avahi library
> function found: avahi_entry_group_add_service
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(84) Avahi library
> function found: avahi_entry_group_commit
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(85) Avahi library
> function found: avahi_entry_group_is_empty
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(86) Avahi library
> function found: avahi_entry_group_new
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(87) Avahi library
> function found: avahi_entry_group_reset
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(89) Avahi library
> function found: avahi_service_resolver_free
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(90) Avahi library
> function found: avahi_service_resolver_new
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(91) Avahi library
> function found: avahi_service_browser_free
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(92) Avahi library
> function found: avahi_service_browser_new
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(104) Avahi support:
> libavahi-common loaded successfully.
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(106) Avahi library
> function found: avahi_simple_poll_free
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(107) Avahi library
> function found: avahi_simple_poll_get
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(108) Avahi library
> function found: avahi_simple_poll_loop
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(109) Avahi library
> function found: avahi_simple_poll_new
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(110) Avahi library
> function found: avahi_simple_poll_quit
> DEBUG: ow_avahi_link.c:OW_Load_avahi_library(111) Avahi library
> function found: avahi_strerror
> CALL: ow_parsename.c:FS_ParsedName_anywhere(90) path=[]
> DEBUG: owlib.c:SetupTemperatureLimits(79) Globals temp limits 0C 100C
> (for simulated adapters)
> CONNECT: ow_usb_cycle.c:USB_next(68) Bus master found: 3:2
> CONNECT: ow_usb_msg.c:DS9490_open(258) Failed to set configuration on
> USB DS9490 bus master at 3:2.
> DEBUG: ow_usb_msg.c:DS9490_open(279) Did not successfully open DS9490
> 3:2
> DEFAULT: owlib.c:SetupSingleInboundConnection(196) Cannot open USB bus
> master
> DEFAULT: owlib.c:LibStart(54) No valid 1-wire buses found
> DEBUG: owfs.c:ow_exit(31) owfs: ow_exit(1)
>
>
> I have fuse.conf configured, I am in the fuse group and the owfs group.
>
> I have tried the various suggestions relating to USB access for non-root
> users on the website ( http://owfs.org/index.php?page=udev )
>
> and the various fuse options ( http://owfs.org/index.php?page=fuse )
> but nothing works.
> I am running owfs 2.8.p3, Ubuntu 10.04 kernel 2.6.32-27-generic
> #49-Ubuntu SMP
>
> Everything is fine if I start owfs as root.
>
> Any idea what I could try to fix this?
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