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SubjectRe: 2.6.19 and up to 2.6.20-rc2 Ethernet problems x86_64
Jarek Poplawski wrote:
> On Sat, Dec 30, 2006 at 02:21:15AM +0000, Sid Boyce wrote:
>> Jarek Poplawski wrote:
>>> On 28-12-2006 04:23, Sid Boyce wrote:
>>>> I first saw the problem on the 64x2 box after upgrading to 2.6.19. The
>>>> network appeared OK with ifconfig and route -n, but I had no network
>>>> access. Pinging any other box, the box was responding, but no response
>>> ...
>>>> barrabas:/usr/src/linux-2.6.20-rc1-git5 # ssh Boycie ifconfig
>>>> Password:
>>>> eth0 Link encap:Ethernet HWaddr 00:0A:E4:4E:A1:42
>>>> inet addr:192.168.10.5 Bcast:255.255.255.255
>>>> Mask:255.255.255.0
>>> This Bcast isn't probably what you need.
>>>
>>> Regards,
>>> Jarek P.
>>>
>>>
>> Corrected on the one box where it was not correct, problem is still there.
>
> There are many things to suspect yet:
> - firewall,
> - switch,
> - routing,
> - ifconfig,
> - other misonfigured box,
> - connecting
> and so on.
>
> I think you should try with some linux networking group
> at first and if you really think it's driver then
> netdev@vger.kernel.org (instead of linux-kernel@).
>
> If you could send full ifconfig, route -n (or ip route
> if you use additional tables) and tcpdump (all packets)
> from both boxes while pinging each other and a few words
> how it is connected (other cards, other active boxes in
> the network?) maybe something more could be found.
>
> Cheers,
> Jarek P.
>
> PS: Sorry for late responding.
>
>
I have a problem with posting to linux-kernel and netdev, my mail got
returned as SPAM, now it just gets dropped. postmaster says the filter
is seeing a sub-string of something that is filtered.

Everything is fine with a eepro100 on the 64x2 box that gave the same
problem with a nVidia Corporation MCP51 Ethernet Controller (rev a1)
using the forcedeth module. On the x86_64 laptop the problem is with a
Broadcom NetXtreme BCM5788 using the tg3 module. Switching back to a
2.6.18.2 kernel, there is no problem.
With all configurations of cards on both, route -n is the same on all
kernels and instantly reports back. With >=2.6.19 on the laptop, netstat
-r takes a very long time before returning the information ~30 seconds,
instantly on 2.6.18.2.
Boycie:~ # netstat -r
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt
Iface
192.168.10.0 * 255.255.255.0 U 0 0 0
eth0
loopback * 255.0.0.0 U 0 0 0 lo
default Smoothie.site 0.0.0.0 UG 0 0 0
eth0
Boycie:~ # route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
192.168.10.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.10.102 0.0.0.0 UG 0 0 0 eth0

Regards
Sid.
--
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks


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