Am 14.01.2016 um 12:29 schrieb Tomasz Torcz:
>
> There's an issue reported by Fedora user:
> https://bugzilla.redhat.com/show_bug.cgi?id=1229231
>
>
> Workaround is to explicitly ensure that wire and ds2490 modules are
> not loaded (using blacklist in modprobe). Owfs works without the
> wire module by accessing the device via usblib (ie use -u instead of
> -w1 option to owfs or owserver).
>
> My guess is that there's a contention that arises between the wire
> module and the USB sub system when the one-wire device is accessed.
> ---
>
> That's it. Do you have any idea how to proceed? Thanks,
>
Well, yes. When I read the first two paragraphs, I was about to give you
exactly this answer from the last two paragraphs. This is due to a
conflict between the ds2490 kernel module and libusb.
There is no way we can fix this in owfs. When the w1 kernel module
claims a device, it will lock any user process out. The user either has
to disable the ds2490 kernel module or actually use it by specifying
--w1 instead of --usb.
Kind regards
Jan
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