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Re: kern/43318: Recent -current asserts with USB activity
The following reply was made to PR kern/43318; it has been noted by GNATS.
From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost,
Subject: Re: kern/43318: Recent -current asserts with USB activity
Date: Wed, 19 May 2010 18:32:26 +0200
On Wed, May 19, 2010 at 04:05:03PM +0000, Scott Ellis wrote:
> On 5/18/2010 12:31 PM, Manuel Bouyer wrote:
> > Can you see what syn_cache_add+0x4ca points to in kernel sources ?
> > Maybe try reverting tcp_input.c 1.304 and see if it helps ...
> Reverting to tcp_input.c 1.303 seems to have solved my problem. ~5 hour
> max uptime with little USB activity has turned into 16 hours with
> significant umass activity (I did a dry-run of the system backup, which
> is what repeatedly killed the system before).
> Thanks for the clue. I'm not cluefull enough to know WHY the changes in
> 1.304 are a problem, but at least now it's clear that it is the problem. :-)
Then can you try the attached patch, and report if the
printf("syn dropped\n") does show up in the kernel log ?
Also, it should fix the assert problem.
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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