From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: problem with PROGRAM
Date: Fri, 02 Dec 2005 03:03:15 +0000 [thread overview]
Message-ID: <20051202030315.GB19593@vrfy.org> (raw)
In-Reply-To: <438D4B0F.5050303@magellan-technology.com>
On Thu, Dec 01, 2005 at 04:00:49PM +1100, Aras Vaichas wrote:
> Aras Vaichas wrote:
> >rule:
> >KERNEL="usb[0-9]", ACTION="add", ENV{PHYSDEVDRIVER}="usbnet",
> >PROGRAM="/etc/udev/scripts/start_autoipd.sh %k"
>
> UPDATE:
>
> I changed the rule from PROGRAM to RUN like so:
> KERNEL="usb[0-9]", ACTION="add", ENV{PHYSDEVDRIVER}="usbnet",
> RUN+="/etc/udev/scripts/start_autoipd.sh %k"
>
> and the process no longer becomes a zombie and it all appears to work
> correctly.
>
> Why would PROGRAM cause this situation but RUN doesn't?
PROGRAM is to request information from external programs to name a
device. It is not to start or run anything else. RUN will run after
the device node is created. But there is no real reason to behave
differently in your case.
Again, make sure you are detaching immediately from the event process,
and don't block longer than needed, not in PROGRAM, and not in RUN. It
will cause problems for the event sequence handling. Start your program
in the background and just exit.
Kay
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prev parent reply other threads:[~2005-12-02 3:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-30 6:47 problem with PROGRAM Aras Vaichas
2005-11-30 7:39 ` Greg KH
2005-11-30 16:43 ` linas
2005-11-30 23:29 ` Kay Sievers
2005-12-01 4:34 ` Aras Vaichas
2005-12-01 5:00 ` Aras Vaichas
2005-12-02 3:03 ` Kay Sievers [this message]
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