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From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: jgarzik@pobox.com, netdev@vger.kernel.org
Subject: Re: [PATCH] sky2: fix hard hang with netconsoling and iface going up
Date: Tue, 27 Jan 2009 09:49:28 -0800	[thread overview]
Message-ID: <20090127094928.534ff6f6@extreme> (raw)
In-Reply-To: <20090127133504.GA10091@x200.localdomain>

On Tue, 27 Jan 2009 16:35:04 +0300
Alexey Dobriyan <adobriyan@gmail.com> wrote:

> On Tue, Jan 27, 2009 at 04:27:18PM +0300, Alexey Dobriyan wrote:
> > On Tue, Jan 27, 2009 at 03:01:29PM +0300, Alexey Dobriyan wrote:
> > > If sky2 interface is netconsoling, then
> > > 
> > > 	ifconfig down; ifconfig up
> > > 
> > > leads to hard hang after printing
> > > 
> > > 	sky2 eth0: enabling interface
> > > 
> > > SysRq+b reboots the box, nothing else works (or prints something).
> > > 
> > > This is with 2.6.28.2 and 2.6.29-rc2-5ee810072175042775e39bdd3eaaa68884c27805.
> > > Most certainly was there since day one.
> > > 
> > > Haven't investigated further.
> > 
> > Well, duh...
> > 
> > 
> > [PATCH] sky2: fix hard hang with netconsoling and iface going up
> > 
> > Printing anything over netconsole before hw is up and running is,
> > of course, not going to work.
> > 
> > Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
>

Netconsole should be smart enough to not try and print to
a device that is not marked running.

  reply	other threads:[~2009-01-27 17:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-27 12:01 sky2 vs netconsole hard hang Alexey Dobriyan
2009-01-27 13:27 ` [PATCH] sky2: fix hard hang with netconsoling and iface going up Alexey Dobriyan
2009-01-27 13:35   ` Alexey Dobriyan
2009-01-27 17:49     ` Stephen Hemminger [this message]
2009-01-27 18:19       ` David Miller
2009-01-30  1:00   ` David Miller
2009-01-30  1:09     ` David Miller
2009-01-30 11:59     ` Alexey Dobriyan
2009-01-30 21:45       ` David Miller
2009-01-30 22:01         ` Stephen Hemminger
2009-02-01 22:38       ` Alexey Dobriyan
2009-02-02 18:01         ` Stephen Hemminger

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