Date: Sat, 18 Feb 2012 21:41:18 -0800 From: Waitman Gobble <gobble.wa@gmail.com> To: FreeBSD-questions@freebsd.org Subject: Re: webcamd and device numbering Message-ID: <CAFuo_fwN-95-2VfPw4Awy3=YNUjiyf4cazBufjYLsrEhiXBRLg@mail.gmail.com> In-Reply-To: <4F407C9D.2050309@herveybayaustralia.com.au> References: <201202190316.q1J3Gxbj081369@mail.r-bonomi.com> <4F407C9D.2050309@herveybayaustralia.com.au>
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On Sat, Feb 18, 2012 at 8:37 PM, Da Rock <
freebsd-questions@herveybayaustralia.com.au> wrote:
> On 02/19/12 13:16, Robert Bonomi wrote:
>
>> From owner-freebsd-questions@**freebsd.org<owner-freebsd-questions@freebsd.org> Sat Feb 18 20:42:50 2012
>>> Date: Sun, 19 Feb 2012 12:32:42 +1000
>>> From: Da Rock<freebsd-questions@**herveybayaustralia.com.au<freebsd-questions@herveybayaustralia.com.au>
>>> >
>>> To: FreeBSD Questions<freebsd-questions@**freebsd.org<freebsd-questions@freebsd.org>
>>> >
>>> Subject: webcamd and device numbering
>>>
>>>
>>> I've been struggling with this on my own for ages now, and I was
>>> determined to try and sort it myself. But I'll now eat my humble pie and
>>> ask for some help :)
>>>
>>> I have (I believe I have mentioned this before) 5 dvb tuners in a
>>> FreeBSD server (8.2): 1 cx88, 2 DiVico dual tuners (that totals 4
>>> amongst just the DiVico's). I'm using webcamd to use these (thank God I
>>> can get away from Linux!), and they work fine except I have to run ln -s
>>> to link them to the right places after every reboot (Only the Divico's
>>> use webcamd). So they should look like this:
>>>
>>> $ls /dev/dvb/
>>> adapter0 adapter1 adapter2 adapter3
>>>
>>> instead:
>>>
>>> ls /dev/dvb/
>>> adapter0 adapter16 adapter24 adapter8
>>>
>>> At least a couple of ways to approach this.
>> 1) (a bad idea, but simple) wrap 'webcamd' in a script that makes the
>> symlinks before invoking the actual executable.
>>
> I don't think that will work because webcamd does the actually device
> attach itself. Putting in the symlinks first _cant_ happen because there is
> nothing to link to.
>
>> 2) look at devd.conf(5) and add stuff there to create the links for
>> {1,2,3}
>>
> Again, same problem. webcamd does the work there to attach the devices -
> but it uses hal to notify and obtain the numbering. I haven't found a way
> to turn this off as yet. Originally I don't think it used hal at all,
> somewhere along the line they decided to make inextricable.
>
> I may be stuck with the cron job :/ I wonder if I can get it to just
> happen at boot... my spidey senses are tingling. I'll have to remember
> where I saw that.
>
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>
I agree it's a crappy solution, (at least?) in principal. I had a drive
that stubbornly refused to mount at boot, a weird harold situation and you
know - like you want to throw the freaking thing out the window..
check/mount on cron was a band-aid approach, it worked.
Waitman Gobble
San Jose California USA
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