From: "Alexander E. Patrakov" <patrakov@ums.usu.ru>
To: linux-hotplug@vger.kernel.org
Subject: Re: usb + sysfs + udev problems once more
Date: Wed, 27 Jun 2007 16:02:59 +0000 [thread overview]
Message-ID: <46828A33.2090909@ums.usu.ru> (raw)
In-Reply-To: <200706271514.22408.aj@leogic.com>
Andreas Jellinghaus wrote:
> Am Mittwoch, 27. Juni 2007 16:35 schrieb Kay Sievers:
>> The usb-interfaces (2nd event) do not have a device node. Only the
>> usb-device itself, but you match on interface properties. There is no
>> sane way for udev to match on an interface property and get the device
>> node name at the same time. You run into unsolvable timing problems,
>> or need to use weird hacks.
>
> if I remember correcty, with linux and hotplug this was possible, right?
> so linux+sysfs+udev is a regression from linux+hotplug? an unfixable?
It was "possible" due to a lot of "sleep"s in hotplug scripts (aka
"unsolvable timing problem", because sleeps are not a solution).
--
Alexander E. Patrakov
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next prev parent reply other threads:[~2007-06-27 16:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-27 13:14 usb + sysfs + udev problems once more Andreas Jellinghaus
2007-06-27 14:35 ` Kay Sievers
2007-06-27 15:27 ` Andreas Jellinghaus
2007-06-27 16:02 ` Alexander E. Patrakov [this message]
2007-06-27 16:22 ` Andreas Jellinghaus
2007-06-27 16:36 ` Kay Sievers
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