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.
Thanks again, especially, to Pete for his evaluation of bugs and patches, Kip
for his fixes in head, and to Dmitrij Tejblum for his submission of the fixes
in the above-mentioned PR.
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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