On Wed, 2009-09-30 at 14:05 +0100, Paul Robins wrote: > Package: linux-image-2.6-686 > Severity: important > > I apologise that I have little information to go on with this bug, I > am continuing to attempt to debug it but in a mixed network > environment it is quite tricky.
You should report kernel bugs against linux-image-$(uname -r) and not against linux-image-2.6-686. That will automatically include some useful system information. > This bug occured while I was testing link aggregation/link bonding in > debian. I have 3 ethernet interfaces bound to bond0, their > manufacturer and driver information is below: > 00:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL-8139/8139C/8139C+ (rev 10) > 00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL-8139/8139C/8139C+ (rev 10) > 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78) > > I am also using iperf on two computers connected to the same switch in > order to attempt to push > 100mbit of traffic across the machine, to > check link aggregation / the hash method. > > All machines are on 192.168.101.0/24, but the two test machines have > static routes to reach each other through the machine with the bonded > links. It also has icmp redirects disabled to force it to pass the > packets through. > > Whenever I initiate a TCP iperf connection, moments later the server > side of the connection loses all contact with the link aggregated > machine, it will not respond to ping or any other type of traffic > > There are no other relevant configuration parameters, the link > aggregation box can actually send traffic out, I can see pings hitting > the test server and being returned, but they never appear on the link > aggregated machine. I can also see no issue with the routing table > (network + gateway, nothing special) nor the arp table, nor anything > else at all. Check the MAC stats in /proc/net/dev. Are the ping responses added to any of the Receive counters there? > Please let me know if I have made some trivial error, but I believe > this to be a genuine bug. Please send the output of the following commands after this problem occurs: dmesg ip addr show ip link show grep -r . /sys/class/net/bond* Ben. -- Ben Hutchings Who are all these weirdos? - David Bowie, about L-Space IRC channel #afp
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