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2.6.11/10 (and probably others), usbnet + bridge => massive memory corruption



Hi all,

Well, I've been trying to set up Debian on an OpenZaurus bootstrap..
well, there were some complications, which include massive memory
corruption on the host computer (NOT the zaurus).

My set up includes,

1. Network interface setup using usbnet
2. Bridge eth0+usb0=>main (bridge name)
3. bootstrap Debian on an NFS volume.

There are no lost pockets or any type of kernel oops. I can produce a
segfault in the brctl utility by trying to turn off STP when there are
interfaces attached, but that's about it.

Almost immediately after I set up the bridge, I've started to
experience application dumping core. Things like firefox stopped
working, but thunderbird was ok. Or xterm segfaulting... During this
time the network (bridge) seemed ok.

After a short while, everything seems to just crap out either by
kernel rebooting or stalling (no kernel oops). Does anyone experience
similar problems? Is something like this bridge related or usbnet
related?

So far I'm been generating random traffic over usbnet (no bridge) and
things seem to work OK... Could the bridging in Linux be totally
screwed?

- Adam

PS. I'm not on this list, so please CC me in all replies. Thanks!



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