Bug in latest udev

Bug in latest udev

[Stefan Schweizer]

Hi,

the latest udev release has a bug in the rules file:


# alsa devices
KERNEL="controlC[0-9]*",        NAME="snd/%k", GROUP="audio"
KERNEL="hw[CD0-9]*",            NAME="snd/%k", GROUP="audio"
KERNEL="pcm[CD0-9cp]*",         NAME="snd/%k", GROUP="audio"
KERNEL="midiC[D0-9]*",          NAME="snd/%k", GROUP="audio"
KERNEL="timer",                 NAME="snd/%k", GROUP="audio"
KERNEL="seq",                   NAME="snd/%k", GROUP="audio"


the GROUP="audio" part is misssing in the current file.
Could you please correct that in the rules file?

thanks,
Stefan


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Re: Bug in latest udev

[Kay Sievers]

On Sat, 2005-02-05 at 14:16 +0100, Stefan Schweizer wrote:
> Hi,
> 
> the latest udev release has a bug in the rules file:

> # alsa devices
> KERNEL="controlC[0-9]*",        NAME="snd/%k", GROUP="audio"
> KERNEL="hw[CD0-9]*",            NAME="snd/%k", GROUP="audio"
> KERNEL="pcm[CD0-9cp]*",         NAME="snd/%k", GROUP="audio"
> KERNEL="midiC[D0-9]*",          NAME="snd/%k", GROUP="audio"
> KERNEL="timer",                 NAME="snd/%k", GROUP="audio"

This file is just an example and not every time up to date. The
individual distribution rules files need to catch up now, so I wouldn't
call this a "bug".

And you may use a "subsystem only"-rule for that:
  SUBSYSTEM="sound", GROUP="audio"

This will apply to all your audio devices if you don't specify any other
GROUP with the individual rules.

Ah, and please be more specific in the Subject of the mail.

Thanks,
Kay



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Re: Bug in latest udev

[Stefan Schweizer]

On Sat, 05 Feb 2005 14:29:46 +0100, Kay Sievers <kay.sievers@vrfy.org> wrote:
> This file is just an example and not every time up to date. The
> individual distribution rules files need to catch up now, so I wouldn't
> call this a "bug".
I am using gentoo .. so I think it should be up-to-date as the gentoo
rules are used as example.
> 
> And you may use a "subsystem only"-rule for that:
>   SUBSYSTEM="sound", GROUP="audio"
> 
sounds reasonable, but works for me only when the subsystem rules is
before the other alsa rules.
> This will apply to all your audio devices if you don't specify any other
> GROUP with the individual rules.
> 
> Ah, and please be more specific in the Subject of the mail.
sorry :(
I will try to check that before I send a mail next time

Regards,
Stefan


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Re: Bug in latest udev

[Marco d'Itri]

On Feb 05, Stefan Schweizer <sschweizer@gmail.com> wrote:

> sounds reasonable, but works for me only when the subsystem rules is
> before the other alsa rules.
This is how it's supposed to work.

-- 
ciao,
Marco


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Re: Bug in latest udev

[Kay Sievers]

On Sat, 2005-02-05 at 15:03 +0100, Stefan Schweizer wrote:
> On Sat, 05 Feb 2005 14:29:46 +0100, Kay Sievers <kay.sievers@vrfy.org> wrote:
> > This file is just an example and not every time up to date. The
> > individual distribution rules files need to catch up now, so I wouldn't
> > call this a "bug".
> I am using gentoo .. so I think it should be up-to-date as the gentoo
> rules are used as example.

Ah, ok.

> > And you may use a "subsystem only"-rule for that:
> >   SUBSYSTEM="sound", GROUP="audio"
> > 
> sounds reasonable, but works for me only when the subsystem rules is
> before the other alsa rules.

Yes, we stop the rule processing if we find a NAME key. You may need to
place all the permissions-only rules on the top of the file.

> > This will apply to all your audio devices if you don't specify any other
> > GROUP with the individual rules.

If the SUBSYSTEM rule works for you? Would be nice, if you can send a
patch for the gentoo rules to apply.

Thanks,
Kay



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Re: Bug in latest udev

[Stefan Schweizer]

[-- Attachment #1: Type: text/plain, Size: 240 bytes --]

On Sat, 05 Feb 2005 15:24:12 +0100, Kay Sievers <kay.sievers@vrfy.org> wrote:
> If the SUBSYSTEM rule works for you? Would be nice, if you can send a
> patch for the gentoo rules to apply.

I hope the attached patch is ok.

Regards,
Stefan

[-- Attachment #2: add-group-audio-to-alsa-in-dev-rules.patch --]
[-- Type: application/octet-stream, Size: 380 bytes --]

--- udev-051/etc/udev/gentoo/udev.rules	2005-02-03 01:26:58.000000000 +0100
+++ /etc/udev/rules.d/50-udev.rules	2005-02-05 15:02:10.000000000 +0100
@@ -32,6 +32,8 @@
 KERNEL="3dfx*",		NAME="%k", GROUP="video"
 
 # alsa devices
+SUBSYSTEM="sound", GROUP="audio"
+
 KERNEL="controlC[0-9]*",	NAME="snd/%k"
 KERNEL="hw[CD0-9]*",		NAME="snd/%k"
 KERNEL="pcm[CD0-9cp]*",		NAME="snd/%k"

Re: Bug in latest udev

[Kay Sievers]

On Sat, 2005-02-05 at 15:40 +0100, Stefan Schweizer wrote:
> On Sat, 05 Feb 2005 15:24:12 +0100, Kay Sievers <kay.sievers@vrfy.org> wrote:
> > If the SUBSYSTEM rule works for you? Would be nice, if you can send a
> > patch for the gentoo rules to apply.
> 
> I hope the attached patch is ok.

Applied.

Thanks,
Kay



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