[Spread-users] Interesting Spread crash with 3.17.01
Jonathan Stanton
jonathan at cnds.jhu.edu
Sun Jan 25 22:52:40 EST 2004
Hi,
I've committed a fix to this to CVS. Basically there was a case where the
internal limits on the number of packets to be processed and added at once
was bypassed in the specific circumstances you found. So Spread tried to
add all of the packets in a number of 100kb messages all at once, but
could only store 8000 of them.
Let me know if you still have problems with current CVS, or in the next
version.
Jonathan
On Fri, Jan 16, 2004 at 01:20:06PM -0500, David Shaw wrote:
> I can reliably cause the spread daemon to fail with:
>
> Send_new_packets: created packet 8193 already exist 1
> Exit caused by Alarm(EXIT)
>
> To reproduce, run spread with the attached config file (it's just a
> single daemon on localhost). Before the Configuration message appears
> ("Configuration at david is....") run spflooder as:
>
> spflooder -b 100000
>
> Pow.
>
> My particulars are Linux 2.4.20 on i686, and glibc 2.3.2. (Basically
> Red Hat 9).
>
> If you run spflooder with a byte count of 10000 or if you wait for the
> Configuration message to appear it works properly.
>
> David
> Spread_Segment 127.0.0.255:4803 {
>
> david 127.0.0.1
> }
--
-------------------------------------------------------
Jonathan R. Stanton jonathan at cs.jhu.edu
Dept. of Computer Science
Johns Hopkins University
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