[Voyage-linux] WRAP freezing problem

[Punky Tse]

Francois,

What is your spec. of the power supply unit?  I am afraid the PSU is underpowered because you used 2 
mini-pci cards.

Regards,
Punky

fdelawarde at wirelessmundi.com wrote:
> Dear voyage users,
> 
> My goal is to make a point to point link using two WRAPs with two CM9 each. I
> have ran several tests using only one or the two CM9 (using equal cost
> multipath routing) in order to acheive this goal.
> 
> When transferring data with highest possible speed (around 30Mbps for one
> atheros link), using different TCP protocols (netperf TCP_STREAM test, samba
> transfers, ftp transfers), after a while (from 20minutes to 30secs) the WRAP
> simply freezes, without giving any kind of information (I tried to point the
> /var/log directory towards the flash to get information after a reboot,
> connecting a serial console to watch for kernel panic messages, but no
> information is shown). I first thought of a madwifi or linux kernel interrupt
> problem, but given the fact that right after a reboot (manual or watchdog),
> running the same test made it freeze more rapidly, I then thought of a hardware
> problem (temperature or so). More tests later and after prooving that it was not
> a temperature problem, I still ask myself whether it's hardware or software,
> madwifi or kernel.
> 
> The problem was repeated with two distinct versions of voyage (0.1 and 0.1sarge
> special edition!), different kernels with different configurations
> (voyage-2.6.9, voyage-2.6.11, vanilla-2.6.12), and lots of different madwifi
> versions...
> 
> To repeat the problem, two WRAPs with two CM9 each are required, a basic voyage
> installation and a few routing steps to pass traffic from LAN to one or both of
> the wireless cards (similar to: ip route add 192.168.10.0/24 via 10.0.0.2 dev
> ath0, or: ip route add 192.168.10.0/24 nexthop via 10.0.0.2 dev ath0 nexthop
> via 10.0.1.2 dev ath1), multiple instances of netperf running to simulate a few
> TCP sessions.
> 
> I would just like to know if it happened to someone, if it's specific to voyage
> (soon i will try with a gentoo-hardened to get this answer), or if it seems to
> be hardware, software,...?
> 
> Thanks for any kind of help!
> 
> Francois.
> 
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-- 
Regards,
Punky
V O Y A G E . H K
(http://www.voyage.hk)

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