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#133 0.8.0-20080803 pcap/ndis-bridge stop working after hours
after some hours i fond that ndis-bridge stop working, the process is still there but ping timeout
network interface on xp: Bridge [ lan, lo ]
gentoo config: eth0=ndis-bridge,lo,00:ff:4f:0d:e7:c0
other information is same as in:
http://sourceforge.net/tracker/index.php?func=detail&aid=1952057&group_id=98788&atid=622063
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Thanks for the entry here and in bug #1952057.
It is a memory leakage in kernel memory. I can reproduce it with netio.
Download netio*.zip from http://www.ars.de/ars/ars.nsf/docs/netio
Copy the file linux-i386 into coLinux.
Run "netio -s" on a server, or perhaps on a windows host.
Run this line in coLinux:
# while true; do ./netio -b 2k -u 192.168.2.102; sleep 5; done
Now, watch Windows Taskmanager in section "Kernel-memory (KB)" the value for "Total".
For pcap-bridge the memory goes up to +60MB over normal and it goes down at the "sleep 5".
For ndis-bridge the memory incrased +6MB on every test loop.
WARNING!
1. pcap-bridge crashes, if it receives 4KB segemnts. That's why I tested with parameter "-b 2k". This is perhaps an other problem.
2. After longer running ndis-bridge Windows have problems on storing files, and can crash on shutdown.
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Is fixed in SVN revision 1106.
Please download the latest version (devel-20080810) from snapshots
http://www.colinux.org/snapshots/
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i thought i had a reason why i was using Bridge instead of lo interface for pcap-bridge (and now ndis-bridge). i remember now. it's because exact the same problem as this ticket.
a. IIRC, with pcap-bridge, when it "stopped" working, i ping windows (host) from gentoo linux (colinux guest) and it starts working again. i'm not sure if this is a "windows bridge" problem or just a "colinux with windows bridge" problem
b. current test result with ndis-bridge, when it "stopped" working i can ping router from host and from guest, but not ping/tcp between host<->guest however arp works for host<->guest
Network Configuration:
Bridge --- WAN ----(connected to)---> router
\--------- lo ---(ndis bridge)-------> colinux
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reproduced with pcap again now. be aware that its Bridge [ lan, lo ], and i pcap/ndis-bridge on "lo".
i can pcap-bridge but not ndis-bridge on Bridge, "lo" is the only chance to use ndis-bridge for me.
Bug #2357595 solves the problem with ndis. The bugs was happen mostly, for pings on fast network cards or to the host. Mostly, if packets does not need to send over the line (internal loopback without hardware delays).
I close this bug now.