Various route locking fixes merged to stable/7 (was: Re: Big problems with 7.1 locking up :-()

[Charles Sprickman]

On Wed, 25 Feb 2009, Robert Watson wrote:

> Just a minor heads up: I've merged both Kip Macy's lock order fixes to the 
> kernel routing code, and the route locking and reference counting fixes from 
> kern/130652 to stable/7.  These fixes should correct a number of reported 
> network-related hangs.  We might want to release a subset of these as an 
> errata patch to 7.1 if they shake out well in 7-stable.

+1

Charles


> Robert N M Watson
> Computer Laboratory
> University of Cambridge
>
> On Wed, 25 Feb 2009, Robert Watson wrote:
>
>> On Wed, 25 Feb 2009, Pete French wrote:
>> 
>>>> FYI, I'm currently awaiting testing results from Pete on the MFC of a 
>>>> number of routing table locking fixes, and once that's merged (hopefully 
>>>> tomorrow?) I'll start on the patches in the above PR.  I've taken a 
>>>> crash-course in routing table locking in the last few days... :-)
>>> 
>>> Just to let you know that I have had zero crashes since I out the patch 
>>> live on sunday. Of course thats only three days, but it does look very 
>>> much like it has fixed it. I am also running with the other routing table 
>>> patch too..
>>> 
>>> At this point no news is good news, as it is just sitting there ticking 
>>> away nicely to itself. I will roll it out to a few more machines over the 
>>> next few days.
>>> 
>>> But looking good so far, I would encourage other people to try the ptches 
>>> if they are having problems...
>> 
>> Thanks -- I've gone ahead and merged the patch to 7.x (r189026) so that I 
>> can look at the PR and get that in-progress.  Since the code affected by 
>> the PR is no longer in 8.x, I'll merge directly to 7.x, and probably fairly 
>> quickly since you've had it in production for a while.
>> 
>> Robert N M Watson
>> Computer Laboratory
>> University of Cambridge
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