[mythtv-users] Why does /dev/dvb reset permisions on boot?

Jochen Kühner jochen.kuehner at gmx.de
Tue Dec 6 05:05:03 EST 2005

if you are using a actual distribution, you may not have a static dev 
directory, this directory is created every time on boot via udev.

you have to look at /etc/udev/permison.rules or so...

----- Original Message ----- 
From: "ffrr" <ffrr at tpg.com.au>
To: "Discussion about mythtv" <mythtv-users at mythtv.org>
Sent: Tuesday, December 06, 2005 9:59 AM
Subject: Re: [mythtv-users] Why does /dev/dvb reset permisions on boot?

> Weston, Toby wrote:
>>Hi folks,
>>Probably an obvious question (bit of Linux newbie here I'm afraid) but why
>>would the permissions on my dvb devices reset to allow just root access 
>>time I reboot? Myth can't access them as the 'mythtv' user doesn't have
>>write permission but I change this using chmod... it just can't retain the
> After I got DVB working, the DVB devices (in /dev/dvb/adapter0/*) had no 
> permissions so only root could see them.   The fix was to add
> chmod 666 /dev/dvb/adapter0/*
> to /etc/rc.d/rc.local
> which resets them to something sensible each reboot.
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