* Hotplug/PPP oddness n 2.5.73-mm1 - scripts not running, bad event
@ 2003-06-25 20:28 Valdis.Kletnieks
2003-06-25 21:58 ` Stephen Hemminger
0 siblings, 1 reply; 4+ messages in thread
From: Valdis.Kletnieks @ 2003-06-25 20:28 UTC (permalink / raw)
To: linux-kernel
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http://linux-hotplug.sourceforge.net/?selected=net
says that for 'NET' events, 'register' and 'unregister' are the actions.
Starting ppp, I get this:
Jun 25 10:50:22 turing-police /etc/hotplug/net.agent: NET add event not supported
'NET add'?? WTF? ;)
(Fortunately, '/sbin/ifup ppp0' gets invoked anyhow, so it's not THAT crucial)
/Valdis (who still needs to fix hotplug not being called at all for the wireless card)
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Hotplug/PPP oddness n 2.5.73-mm1 - scripts not running, bad event
2003-06-25 20:28 Hotplug/PPP oddness n 2.5.73-mm1 - scripts not running, bad event Valdis.Kletnieks
@ 2003-06-25 21:58 ` Stephen Hemminger
2003-06-26 3:07 ` Valdis.Kletnieks
0 siblings, 1 reply; 4+ messages in thread
From: Stephen Hemminger @ 2003-06-25 21:58 UTC (permalink / raw)
To: Valdis.Kletnieks; +Cc: linux-kernel
On Wed, 25 Jun 2003 16:28:28 -0400
Valdis.Kletnieks@vt.edu wrote:
>
> http://linux-hotplug.sourceforge.net/?selected=net
> says that for 'NET' events, 'register' and 'unregister' are the actions.
>
> Starting ppp, I get this:
>
> Jun 25 10:50:22 turing-police /etc/hotplug/net.agent: NET add event not supported
>
> 'NET add'?? WTF? ;)
>
> (Fortunately, '/sbin/ifup ppp0' gets invoked anyhow, so it's not THAT crucial)
>
> /Valdis (who still needs to fix hotplug not being called at all for the wireless card)
>
Look in the mailing list archives:
> rom: Stephen Hemminger <shemminger@osdl.org>
> To: David S. Miller <davem@redhat.com>, Greg KH <greg@kroah.com>
> Cc: netdev@oss.sgi.com, linux-kernel@vger.kernel.org
> Subject: [PATCH] network hotplug via class_device/kobject
> Date: Fri, 13 Jun 2003 16:41:19 -0700
> Organization: Open Source Development Lab
> X-Mailer: Sylpheed version 0.8.11 (GTK+ 1.2.10; i686-pc-linux-gnu)
>
> This patch changes network devices to run hotplug out of the kobject/class_device
> infrastructure rather than calling it from the network core. The code gets simpler
> and there is only one place for Greg to fix when he changes the API ;-)
>
> All hotplug now happens off the chain:
> rtnl_unlock -> netdev_run_todo -> netdev_sysfs_{un}register
>
> The state flag "deadbeaf" was convertied to a state enumeration to handle the
> necessary book keeping, and adds some defense against drivers that have unexpected
> semantics. Paranoid about some driver doing something like:
> rtnl_lock(); register_netdevice(); unregister_netdevice(); rtnl_unlock() BOOM
>
> This patch causes an external script API change.
> Because network device go through the standard path, the action passed to the script
> is no longer register or unregister but is now "add" or "remove" like other devices.
> This is a good thing. When testing (at least on RHAT) just change /etc/hotplug/net.agent
> case statement:
>
> case $ACTION in
> add|register)
> # Don't do anything if the network is stopped
> if [ ! -f /var/lock/subsys/network ]; then
> exit 0
> fi
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Hotplug/PPP oddness n 2.5.73-mm1 - scripts not running, bad event
2003-06-25 21:58 ` Stephen Hemminger
@ 2003-06-26 3:07 ` Valdis.Kletnieks
2003-06-28 0:16 ` Greg KH
0 siblings, 1 reply; 4+ messages in thread
From: Valdis.Kletnieks @ 2003-06-26 3:07 UTC (permalink / raw)
To: Stephen Hemminger; +Cc: linux-kernel, chris.ricker
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On Wed, 25 Jun 2003 14:58:35 PDT, Stephen Hemminger said:
> > This patch causes an external script API change.
> > Because network device go through the standard path, the action passed to t
he script
> > is no longer register or unregister but is now "add" or "remove" like other
devices.
> > This is a good thing. When testing (at least on RHAT) just change /etc/hot
plug/net.agent
> > case statement:
> >
> > case $ACTION in
> > add|register)
Yeah, that was the fairly obvious fix... now who's job is it to fix it on the
hotplug website, and when? Also, who gets to update the currently non-existent
entry in Documentation/Changes (i've cc'ed Chris Ricker)?
Or should this just get tacked on the "to do before 2.6.0 comes out" list for
now?
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Hotplug/PPP oddness n 2.5.73-mm1 - scripts not running, bad event
2003-06-26 3:07 ` Valdis.Kletnieks
@ 2003-06-28 0:16 ` Greg KH
0 siblings, 0 replies; 4+ messages in thread
From: Greg KH @ 2003-06-28 0:16 UTC (permalink / raw)
To: Valdis.Kletnieks; +Cc: Stephen Hemminger, linux-kernel, chris.ricker
On Wed, Jun 25, 2003 at 11:07:43PM -0400, Valdis.Kletnieks@vt.edu wrote:
> > > case $ACTION in
> > > add|register)
>
> Yeah, that was the fairly obvious fix... now who's job is it to fix it on the
> hotplug website, and when?
That would probably be me :)
I'll try to get to it on Monday and get out a new linux-hotplug script
package at the same time.
thanks,
greg k-h
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2003-06-25 20:28 Hotplug/PPP oddness n 2.5.73-mm1 - scripts not running, bad event Valdis.Kletnieks
2003-06-25 21:58 ` Stephen Hemminger
2003-06-26 3:07 ` Valdis.Kletnieks
2003-06-28 0:16 ` Greg KH
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