F12 beta i686 live CD hangs after starting udev

[Joshua C.]

2009/11/3 James Laska <jlaska at redhat.com>:
> On Sat, 2009-10-31 at 21:56 +0100, Joshua C. wrote:
>> 2009/10/31 TK009 <john.brown009 at gmail.com>:
>> > On Sat, Oct 31, 2009 at 07:48:17PM +0100, Joshua C. wrote:
>> >> 2009/10/31 TK009 <john.brown009 at gmail.com>:
>> >> > On Sat, Oct 31, 2009 at 12:09:31PM +0100, Joshua C. wrote:
>> >> >> 2009/10/31 Jurgen Kramer <gtmkramer at xs4all.nl>:
>> >> >>
>> >> >> In my case starting udev takes almost a minute in order to start. In
>> >> >> f11 it needs about 3 secs.
>> >> >>
>> >> >
>> >>  There is no floppy on my laptop and there's nothing about it in the
>> >> bios. What should i disbale???
>> >
>> > When I saw 'takes almost a minute' I was reminded of this
>> >
>> > https://fedoraproject.org/wiki/Common_F11_bugs#System_pauses_during_boot_for_over_a_minute_at_.27Starting_udev.27
>>
>> I already read this but the problem should be somewehere else. I
>> haven't experienced this in f6 up to f11. It happens for the first
>> time in f12. So this should be a regression.
>
> Perhaps try to see what udev is doing that's taking a while.  Anything
> in /var/log/messages (or dmesg) during live image initialization?
>

Nothing unusual.

> If you can mount the live image filesystem from an already running
> system, try editing the file '/etc/udev/udev.conf' and change:
>
>  udev_log="debug"
>
> This should enable debugging output for udev on startup.  I've not tried
> this directly, but that might help identify what udev is doing that's
> taking time during boot.
>
> Thanks,
> James

This not an option for me. The live image is mountesd read-only during
startup. Maybe a modification when creating the livecd but this takes
quite some time in my case. Is there a kernel boot parametr that I can
pass to udev?