Re: [Owfs-developers] DS9490 cannot be accessed?

[William B. <ma...@ea...>]

Ahmed Theba wrote:
> Thanx for the reply...
>
> Running the command with sudo does not change anything,
> And this shouldnt matter as I am logged in as root?
>
> root@Mini:~# sudo /opt/owfs/bin/owfs u -m /mnt/1wire/
> DEFAULT: ow_ds9490.c:DS9490_sub_open(558) Opened USB DS9490 bus master 
> at 002/003.
> Could not open the USB bus master. Is there a problem with permissions?
> DEFAULT: ow_ds9490.c:DS9490_detect(314) Could not open the USB bus 
> master. Is there a problem with permissions?
> DEFAULT: owlib.c:SetupInboundConnections(178) Cannot open USB bus master
>
> Somehow I dont seem to have module(s) fuse, ds9490:
>
> root@MiniSnitch:~# modprobe -r ds9490r
> FATAL: Module ds9490r not found.
> root@MiniSnitch:~# modprobe -r ds9490
> FATAL: Module ds9490 not found.
> root@MiniSnitch:~# modprobe fuse
> FATAL: Module fuse not found.
This from a working system
@Irry:~$ modprobe -r ds9490r
FATAL: Module ds9490r not found.
@Irry:~$ modprobe fuse
FATAL: Module fuse not found.
@Irry:~$

>
> But I seem to have module(s) ds2490, wire:
>
> root@MiniSnitch:~# modprobe -r ds2490
> root@MiniSnitch:~# modprobe -r wire
>
> Would the missing modules be the issue?
>
I have the following blacklisted in /etc/modprobe.d/blacklist.conf
#owfs
blacklist wire
blacklist ds2490

> AT
>
>
> On Fri, Apr 30, 2010 at 3:32 PM, Paul Alfille <pau...@gm... 
> <mailto:pau...@gm...>> wrote:
>
>     Let's try the easiest solutions first. What happens I'd you run
>     the command as "sudo /opt/.... ?
>
>     You could also try to actively unload the DS9490 kernel module.
>
>>     On Apr 30, 2010 9:05 AM, "Ahmed Theba" <ah...@ju...
>>     <mailto:ah...@ju...>> wrote:
>>
>>      Hi,
>>
>>      I have installed all packages required to run 1-wire on
>>      Ubuntu server 9. These include:
>>
>>      * fuse-2.8.3
>>      * fuse-utils
>>      * libfuse-dev
>>      * libfuse2
>>      * libtool-1.5.22
>>      * libusb-1.0.6
>>      * libusb-dev
>>      * usbutils
>>      * swig-1.3.40
>>      * owfs
>>
>>      Calling lsusb highlights that the 2490 is detected:
>>
>>      "Bus 002 Device 002: ID 04fa:2490 Dallas Semiconductor DS1490F
>>      2-in-1 Fob, 1-Wire adapter"
>>
>>      Logged in as "root" I am able to mount using owfs with simulated
>>      sensors perfectly fine. When I perform a mount using actual
>>      hardware I get a message:
>>
>>      root@Mini:~/oww-0.83.2# /opt/owfs/bin/owfs u -m /mnt/1wire
>>
>>      "DEFAULT: ow_ds9490.c:DS9490_sub_open(558) Opened USB DS9490 bus
>>      master at 002/002.
>>      Could not open the USB bus master. Is there a problem with
>>      permissions?"
>>
>>      The file structure is mounted but none of the sensors or 6
>>      channel hub is listed:
>>
>>      "root@Mini:~/oww-0.83.2# ls /mnt/1wire/
>>      bus.0  settings  statistics  structure  system  uncached"
>>
>>      There seems to be some sort of error mounting the actual hardware
>>      despite being logged in as root. Can anyone shed some light on
>>     what might be
>>      the problem?
>>
>>      Regards,
>>      AT
>>
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