Panic in the udp_input() under heavy load

[Robert N. M. Watson]

On 25 Nov 2011, at 00:53, Maxim Sobolev wrote:

>> There was recently a commit to fix a race condition in 10-CURRENT which
>> I think is not slated to be merged for 9.0. You might check the commit
>> logs there and see if that fixes the problems you have -- if so, we
>> might want to reconsider the plan not to merge for 9.0.
>> 
>> (It relates to a race condition on closing sockets..)
> 
> Thank you for the tip. I will give it a try and see what happens. So far, after installing that trap we have not seen any panics yet. I have not checked logs yet if my trap actually has catch anything or not.

Do we know if this fix has been merged to stable/9 and releng/9.0? Given multiple reports of instability without it, I think we would be well-served to merge it at this point.

Robert