Date: Fri, 25 Nov 2011 07:24:00 +0000 From: "Robert N. M. Watson" <rwatson@FreeBSD.org> To: Maxim Sobolev <sobomax@FreeBSD.org> Cc: freebsd-net@freebsd.org, "Bjoern A. Zeeb" <bz@FreeBSD.ORG>, Jack Vogel <jfvogel@gmail.com> Subject: Re: Panic in the udp_input() under heavy load Message-ID: <F63603B1-7B35-4ECE-82E6-835CD91B93F8@FreeBSD.org> In-Reply-To: <4ECEE6F0.4010301@FreeBSD.org> References: <4EB804D2.2090101@FreeBSD.org> <alpine.BSF.2.00.1111071818250.4603@ai.fobar.qr> <4EB86276.6080801@sippysoft.com> <4EB86866.9060102@sippysoft.com> <alpine.BSF.2.00.1111072324340.4603@ai.fobar.qr> <4EB86FCF.3050306@FreeBSD.org> <alpine.BSF.2.00.1111080239500.1358@fledge.watson.org> <4ECEE6F0.4010301@FreeBSD.org>
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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. >>=20 >> (It relates to a race condition on closing sockets..) >=20 > 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=
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