dracut: automatically add "unix" kernel module

dracut: automatically add "unix" kernel module

[Dennis Schridde]

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Hello!

Dracut currently does not seem to automatically include the "unix" kernel 
module in the initramfs, which causes udev to be unable to start ("address 
family not supported by protocol").

It should be adjusted to include it if possible.

I am using dracut-011 and had to set add_drivers+="unix" in dracut.conf to be 
able to boot my system.

Kind regards,
Dennis

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Re: dracut: automatically add "unix" kernel module

[Harald Hoyer]

On 12.08.2011 01:01, Dennis Schridde wrote:
> Hello!
> 
> Dracut currently does not seem to automatically include the "unix" kernel 
> module in the initramfs, which causes udev to be unable to start ("address 
> family not supported by protocol").
> 
> It should be adjusted to include it if possible.
> 
> I am using dracut-011 and had to set add_drivers+="unix" in dracut.conf to be 
> able to boot my system.
> 
> Kind regards,
> Dennis

Just add a file /etc/modprobe.d/myaliases.conf to your system, containing:
alias net-pf-1 unix

Re: dracut: automatically add "unix" kernel module

[WANG Cong]

On Fri, 12 Aug 2011 08:01:20 +0200, Harald Hoyer wrote:

> On 12.08.2011 01:01, Dennis Schridde wrote:
>> Hello!
>> 
>> Dracut currently does not seem to automatically include the "unix"
>> kernel module in the initramfs, which causes udev to be unable to start
>> ("address family not supported by protocol").
>> 
>> It should be adjusted to include it if possible.
>> 
>> I am using dracut-011 and had to set add_drivers+="unix" in dracut.conf
>> to be able to boot my system.
>> 
>> Kind regards,
>> Dennis
> 
> Just add a file /etc/modprobe.d/myaliases.conf to your system,
> containing: alias net-pf-1 unix

The kernel already does the same thing:

MODULE_ALIAS_NETPROTO(PF_UNIX);

don't know why udev can't load it automatically...

Re: dracut: automatically add "unix" kernel module

[Harald Hoyer]

On 12.08.2011 08:41, WANG Cong wrote:
> On Fri, 12 Aug 2011 08:01:20 +0200, Harald Hoyer wrote:
> 
>> On 12.08.2011 01:01, Dennis Schridde wrote:
>>> Hello!
>>>
>>> Dracut currently does not seem to automatically include the "unix"
>>> kernel module in the initramfs, which causes udev to be unable to start
>>> ("address family not supported by protocol").
>>>
>>> It should be adjusted to include it if possible.
>>>
>>> I am using dracut-011 and had to set add_drivers+="unix" in dracut.conf
>>> to be able to boot my system.
>>>
>>> Kind regards,
>>> Dennis
>>
>> Just add a file /etc/modprobe.d/myaliases.conf to your system,
>> containing: alias net-pf-1 unix
> 
> The kernel already does the same thing:
> 
> MODULE_ALIAS_NETPROTO(PF_UNIX);
> 
> don't know why udev can't load it automatically...

Not udev... it should be kernel itsself via:

$ cat /proc/sys/kernel/modprobe
/sbin/modprobe

Re: dracut: automatically add "unix" kernel module

[Dennis Schridde]

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Hello!

Please CC me, since I am not on the list.

Am Freitag, 12. August 2011, 06:41:56 schrieb WANG Cong:
> On Fri, 12 Aug 2011 08:01:20 +0200, Harald Hoyer wrote:
> > On 12.08.2011 01:01, Dennis Schridde wrote:
> >> Dracut currently does not seem to automatically include the "unix"
> >> kernel module in the initramfs, which causes udev to be unable to start
> >> ("address family not supported by protocol").
> >
> > Just add a file /etc/modprobe.d/myaliases.conf to your system,
> > containing: alias net-pf-1 unix
> 
> The kernel already does the same thing:
> 
> MODULE_ALIAS_NETPROTO(PF_UNIX);
> 
> don't know why udev can't load it automatically...

The problem is that dracut does not automatically include the "unix" module in 
the initramfs it generates. If I include the module manually (via 
"add_drivers" in dracut.conf) it will be successfully loaded.

Does the kernel use a different aliases table than dracut?

Kind regards,
Dennis

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Re: dracut: automatically add "unix" kernel module

[Harald Hoyer]

On 12.08.2011 09:58, Dennis Schridde wrote:
> Hello!
> 
> Please CC me, since I am not on the list.
> 
> Am Freitag, 12. August 2011, 06:41:56 schrieb WANG Cong:
>> On Fri, 12 Aug 2011 08:01:20 +0200, Harald Hoyer wrote:
>>> On 12.08.2011 01:01, Dennis Schridde wrote:
>>>> Dracut currently does not seem to automatically include the "unix"
>>>> kernel module in the initramfs, which causes udev to be unable to start
>>>> ("address family not supported by protocol").
>>>
>>> Just add a file /etc/modprobe.d/myaliases.conf to your system,
>>> containing: alias net-pf-1 unix
>>
>> The kernel already does the same thing:
>>
>> MODULE_ALIAS_NETPROTO(PF_UNIX);
>>
>> don't know why udev can't load it automatically...
> 
> The problem is that dracut does not automatically include the "unix" module in 
> the initramfs it generates. If I include the module manually (via 
> "add_drivers" in dracut.conf) it will be successfully loaded.

ah, ok.. didn't think about that one. So, I guess, we need:

http://git.kernel.org/?p=boot/dracut/dracut.git;a=commitdiff;h=016c3cfed27952f328d481b231a51129341746d9

(might need some time to show up on kernel.org)

Re: dracut: automatically add "unix" kernel module

[WANG Cong]

On Fri, 12 Aug 2011 10:09:54 +0200, Harald Hoyer wrote:

> On 12.08.2011 09:58, Dennis Schridde wrote:
>> 
>> The problem is that dracut does not automatically include the "unix"
>> module in the initramfs it generates. If I include the module manually
>> (via "add_drivers" in dracut.conf) it will be successfully loaded.
> 
> ah, ok.. didn't think about that one. So, I guess, we need:
> 
> http://git.kernel.org/?p=boot/dracut/
dracut.git;a=commitdiff;h=016c3cfed27952f328d481b231a51129341746d9
> 
> (might need some time to show up on kernel.org)

Yeah, thanks for fixing it!