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Message-ID: <490893B5.6090806@trash.net>
Date: Wed, 29 Oct 2008 17:47:49 +0100
From: Patrick McHardy <kaber@...sh.net>
To: Ramon Casellas <ramon.casellas@...c.es>
CC: "'J. K. Cliburn'" <jcliburn@...il.com>,
'Jarek Poplawski' <jarkao2@...il.com>, netdev@...r.kernel.org
Subject: Re: atl1 warn_on_slowpath help
Ramon Casellas wrote:
>> -----Mensaje original-----
>> De: J. K. Cliburn [mailto:jcliburn@...il.com]
>
>> Can you please try the attached patch from Patrick and see if it fixes
>> your kernel warning?
>
> I applied the patch to linux.2.6.27.2 (already patched for VLAN support on
> ATL1 devices as per Jay fix). Patch applied cleanly and there was no warn on
> slow path on dmesg after the reboot, with fully functional VLAN (broken in
> atl cards since 2.6.26)
>
> Linux failamp 2.6.27.2 #1 SMP Wed Oct 29 14:22:49 CET 2008 i686 GNU/Linux
>
> 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state
> UP qlen 1000
> link/ether 00:1f:c6:bb:75:fa brd ff:ff:ff:ff:ff:ff
> inet 1.1.1.91/24 brd 1.1.1.255 scope global eth0
> inet6 fe80::21f:c6ff:febb:75fa/64 scope link
> valid_lft forever preferred_lft forever
>
> 4: eth0.200@...0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> state UP
> link/ether 00:1f:c6:bb:75:fa brd ff:ff:ff:ff:ff:ff
> inet 10.1.1.91/24 brd 10.1.1.255 scope global eth0.200
> inet6 fe80::21f:c6ff:febb:75fa/64 scope link
> valid_lft forever preferred_lft forever
> 5: eth0.300@...0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> state UP
> link/ether 00:1f:c6:bb:75:fa brd ff:ff:ff:ff:ff:ff
> inet 192.168.100.91/24 brd 192.168.100.255 scope global eth0.300
> inet6 fe80::21f:c6ff:febb:75fa/64 scope link
> valid_lft forever preferred_lft forever
>
> I played a bit with tshark:
>
> failamp:/mnt# tshark -i eth0.300
> Running as user "root" and group "root". This could be dangerous.
> Capturing on eth0.300
> 0.000000 Cisco_35:9a:11 -> PVST+ STP Conf. Root =
> 33068/00:0e:84:50:ff:80 Cost = 12 Port = 0x8011
>
> Thanks for your efforts. Let me know if you need further testing.
This seems to be enough, thanks a lot.
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