From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: udev too slow?
Date: Fri, 19 Aug 2005 20:36:01 +0000 [thread overview]
Message-ID: <20050819203601.GA23571@vrfy.org> (raw)
In-Reply-To: <8F1EED683FFEDD43B4FE4A0425847F2EAEE581@EXE.ceda.polimi.it>
On Fri, Aug 19, 2005 at 09:54:09PM +0200, Uberto Barbini wrote:
> > On Fri, Aug 19, 2005 at 12:10:56PM +0200, Barbini Uberto wrote:
> > > I've just passed to udev from devfs (Gentoo daily sync with 2.6.12).
> > >
> > > I've a problem with dvb drivers: after the modprobe it occurs about 10
> > > seconds before udev creates the devices (/dev/adapter0/xxx), which
> > > it's pretty unacceptable in a dining room settopbox.
> >
> > Update to udev 068, if not already. Start "udevmonitor" before loading the
> > modules and post the output it prints. It will show the sequence of the
> > kernel->udev events. I have a USB DVB device which takes less than a second
> > to initialize:
>
> I emerged 068 (gentoo standard is 058 right now).
> With 068 it takes 4-5 seconds instead of 9-10, way better but not perfect.
>
> UEVENT[1124474095] add@/class/dvb/dvb0.frontend0
> UDEV [1124474099] add@/class/dvb/dvb0.frontend0
Looks like something that can be fixed. :)
Please send me the 'dvb.debug' file written with:
DEVPATH=/class/dvb/dvb0.frontend0 ACTIONd strace -o dvb.debug -s1000 -p -f /sbin/udev dvb
Kay
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next prev parent reply other threads:[~2005-08-19 20:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-19 10:10 udev too slow? Barbini Uberto
2005-08-19 11:41 ` Kay Sievers
2005-08-19 19:54 ` Uberto Barbini
2005-08-19 20:36 ` Kay Sievers [this message]
2005-08-19 22:56 ` Greg KH
2005-08-20 18:16 ` Uberto Barbini
2005-08-20 19:11 ` Kay Sievers
2005-08-28 23:28 ` Kay Sievers
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