Date: Wed, 9 Nov 2011 16:09:58 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Hooman Fazaeli <hoomanfazaeli@gmail.com> Cc: pyunyh@gmail.com, freebsd-net@freebsd.org, Jason Wolfe <nitroboost@gmail.com>, Jack Vogel <jfvogel@gmail.com>, Emil Muratov <gpm@hotplug.ru> Subject: Re: Intel 82574L interface wedging on em 7.1.9/7.2.3 when MSIX enabled Message-ID: <CAJ-Vmok8kX9F5eXTghx_s7diNiLTWY1-eMDUdCOUHQCz6zW%2BPg@mail.gmail.com> In-Reply-To: <4EBA3F22.2060204@gmail.com> References: <CAAAm0r0RXEJo4UiKS=Ui0e5OQTg6sg-xcYf3mYB5%2Bvk8i8557w@mail.gmail.com> <4E8F51D4.1060509@sentex.net> <CACqU3MVwLaepFymZJkaVk6p=SpykGhqs=VYFjLh9fP9S=AxDhg@mail.gmail.com> <CAAAm0r1DKvoL9=Ket9up=4%2B5xiCzTTZJK99FhF9jcCA28B0M%2BA@mail.gmail.com> <CAAAm0r3XdsMHZh%2BP_NF-txZasdExzwZ8ymmGQgGhJQds0fOiBQ@mail.gmail.com> <CAAAm0r1iS3z-7CBJ=xYDf%2BJOA1Q2nU0O54Twbyb7FjvgWHjKVw@mail.gmail.com> <4EA7E203.3020306@sepehrs.com> <CAAAm0r3Nr2t8cCetPkFnLQ-3KwqHw_0SpqbtvYPRUkSP=9n8CA@mail.gmail.com> <4EA80818.3030504@sentex.net> <4EA80F88.4000400@hotplug.ru> <4EA82715.2000404@gmail.com> <4EA8FA40.7010504@hotplug.ru> <4EA91836.2040508@gmail.com> <4EA959EE.2070806@hotplug.ru> <4EAD116A.8090006@gmail.com> <CAAAm0r3qm=nQQuAmZDD4k4X8K-xW6_kM9TukRT=1GoG9dYR3zw@mail.gmail.com> <4EAE58A2.9040803@gmail.com> <CAAAm0r0uoPPEQbq5rHkFr6ZLp-WJ4YVjDVvxxV6y%2BUh4eEKDEA@mail.gmail.com> <4EB96511.50701@gmail.com> <CAJ-Vmomf-wxb8dY7YF7qT_FGK5d-YLPU3BkPOeHnOtKZ%2BUrYeQ@mail.gmail.com> <4EBA3F22.2060204@gmail.com>
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There's no locking around the OACTIVE flag set/clear, right? Is it possible that multiple TX threads are fiddling with OACTIVE and then it's not being properly cleared and tx kicked? Adrian
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