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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. I shall try
    posting under another email address.

    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


    --
    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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