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Re: kern/43318: Recent -current asserts with USB activity

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 <>
     NetBSD: 26 ans d'experience feront toujours la difference

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