On 31/03/06, Peter Thoenen <[EMAIL PROTECTED]> wrote:
> Hallo everybody.  Will prob end up PR'ing this but want to post to the
> list first and get some feelers.  At first I thought it was just me but
> as the port maintainer for tor-devel I have had a couple other folk
> email me with the exact same problem (believing tor to be the cause).
> Its not.
>
> Problem: When tor (running in server mode), i2p, or freenet is ran (all
> high bandwidth, high number of concurrent tcp / udp / ip connections,
> maybe 2000+ sim connects @ a constant 4 mb) between the 2 and 4 hour
> mark a system running FBSD 6 will hard crash and power off.  This is
> reproducible (though not on demand, just on arbitrary time between 2
> and 4 hours).
>
> Troubleshooting so far:
>
> - It is NOT an issue on 5.x.  It is an issue on both 6.0 and 6.1BETA4.
>
>
> - It is not easy to reproduce.  I assume a couple hundred people use
> these ports and I have only had a dozen or so report this problem to
> me.  All of the people suffering from this though CAN reproduce this
> crash on demand.  I have to assume though the other 99% of users though
> do not see this error for unknown reasons.
>
> - It is not a port issue (as tor/i2p/freenet all can cause it).  It is
> not a java issue (was another early worry of mine but tor is written in
> C).
>
> - The hard crash does NOT generate a dump or panic for anybody I have
> spoken with.  /var/crash comes up empty every time.
>
> - It is not platform or hardware specific (this was my initial guess).
> I have seen this on both the amd64 and i386 archs.  I have also seen it
> on various motherboards and nic's (bge, nv, em).  To reiterate, running
> 5.x on identical hardware does not cause this crash.
>
> - It is not a tunable or sysctrl issue as far as I can tell.  Spent the
> last month tuning and watching my system limits and all appears to be
> good.
>
> - My gut feeling is this has something to do with the new network stack
> introduced in 6.0.
>
> - When not running one of the aforementioned ports, system does not
> crash.  I have a three week uptime currently on one of my testbeds
> experiencing this problem.  If I start tor / i2p / or freenet I will
> crash within hours.
>
> Help would be appreciated in resolving this or troubleshooting further.
>  I am at a loss here and me (along with a couple other folk that have
> emailed me) have some nice expensive paperweights now as they crash on
> use.  If you are developer and want to look into this, I can provide
> all the info you need, just let me know exactly what it is.
>
> Thanks,
>
> -Peter
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I am interested in the development of this issue, as everyone appears
disinterested have you submitted a PR?

Chris
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