From: Erwan Velu <erwanaliasr1@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: Re: Remarks and comments about ipconfig behavior
Date: Thu, 13 Sep 2012 22:37:45 +0200 [thread overview]
Message-ID: <50524419.4080404@gmail.com> (raw)
In-Reply-To: <20120913.163134.361379133013906511.davem@davemloft.net>
Le 13/09/2012 22:31, David Miller a écrit :
> From: Erwan Velu<erwanaliasr1@gmail.com>
> Date: Thu, 13 Sep 2012 22:21:15 +0200
>
>> That lever for me two points :
>> - why is this timeout setup for so long ? Even with a spantree
>> - configuration, not having a carrier for 2mn is *waow* ... Does a 30sec
>> - could not be enough ? What is the need of waiting so long time ?
> I've seen PHY/switch/hub combinations that take longer than 30 seconds
> to fully negotiate the link.
>
> There is really no upper limit to the link speed/duplex/etc.
> negoatiation process.
>
> Even if the actual negoatiation protocol had an upper limit on
> negoatiation time, hardware implementations do things like try
> sampling the quality of the cable signal and may choose to
> down-rev the advertised features and restart the negoatiation.
Ok but shouldn't we display some message to the user trying to explain
why the kernel is stopped and perfectly silent during its booting
process ? 2 minutes, that's a pretty long time with an almost frozen
kernel isn't it ?
next prev parent reply other threads:[~2012-09-13 20:37 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 20:21 Remarks and comments about ipconfig behavior Erwan Velu
2012-09-13 20:31 ` David Miller
2012-09-13 20:37 ` Erwan Velu [this message]
2012-09-13 20:45 ` David Miller
2012-09-13 21:59 ` [PATCH] ipconfig: Inform user if carrier is not ready Erwan Velu
2012-09-14 5:36 ` Francois Romieu
[not found] ` <50525C5D.8040302@hp.com>
2012-09-14 19:08 ` [PATCH V2] " Erwan Velu
2012-09-14 19:17 ` David Miller
2012-09-14 19:30 ` [PATCH V3] " Erwan Velu
2012-09-14 19:42 ` David Miller
2012-09-14 20:13 ` Erwan Velu
2012-09-14 20:23 ` David Miller
2012-09-14 20:59 ` Erwan Velu
2012-09-14 19:31 ` [PATCH V2] " Erwan Velu
2012-09-14 19:19 ` Rick Jones
2012-09-15 16:18 ` Remarks and comments about ipconfig behavior Erwan Velu
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