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From: Ben Hutchings <ben@decadent.org.uk>
To: Guo-Fu Tseng <cooldavid@cooldavid.org>
Cc: 644281@bugs.debian.org, kantacki <kantacki@o2.pl>,
	netdev <netdev@vger.kernel.org>
Subject: Re: Bug#644281: linux-image-3.0.0-1-amd64: problem after changing mtu size on jme kernel module
Date: Fri, 07 Oct 2011 05:17:52 +0100	[thread overview]
Message-ID: <1317961087.4024.28.camel@deadeye> (raw)
In-Reply-To: <20111004181353.3212.57206.reportbug@ASUS>

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On Tue, 2011-10-04 at 20:13 +0200, kantacki wrote:
> Package: linux-2.6
> Version: 3.0.0-3
> Severity: important
> Tags: upstream
> 
> Hello,
> 
> When I try to execute:
> ifconfig eth0 mtu 4000 up
> or
> ifconfig eth0 mtu 7198 up
> my nic stops working and changing back to mtu 1500 does not help.
> To use my nic again I have to execute:
> rmmod jme
> modprome jme
> and the the command ifconfig eth0 mtu 1500 $IP up works and enables the network
> 
> My network card is Jmicron
[...]

Can you look into this, please?

It appears that jme_change_mtu() doesn't stop the RX path and doesn't
immediately reallocate RX buffers, and I think it should.  Maybe that's
not the problem though.

Ben.

-- 
Ben Hutchings
For every action, there is an equal and opposite criticism. - Harrison

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       reply	other threads:[~2011-10-07  4:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20111004181353.3212.57206.reportbug@ASUS>
2011-10-07  4:17 ` Ben Hutchings [this message]
2011-10-07  6:24   ` Bug#644281: linux-image-3.0.0-1-amd64: problem after changing mtu size on jme kernel module Guo-Fu Tseng

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