Date: Mon, 4 Mar 2013 12:13:48 -0800 From: Nick Rogers <ncrogers@gmail.com> To: Jack Vogel <jfvogel@gmail.com> Cc: Sepherosa Ziehau <sepherosa@gmail.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "Christopher D. Harrison" <harrison@biostat.wisc.edu> Subject: Re: igb network lockups Message-ID: <CAKOb=YZhj9wx7NLSKFGmFhX2fa57u99W2o3La-vvbuKLDRMCkQ@mail.gmail.com> In-Reply-To: <CAFOYbcnJtS5W%2Bw2Vob16QVGFimn=iWyUXXbTfaEhr_a5KXbFWg@mail.gmail.com> References: <512BAA60.3060703@biostat.wisc.edu> <CAFOYbckDFJKRip%2Be=a%2B_JPHhk%2BHbAikRBK0dHEBDDEgdsZT6sw@mail.gmail.com> <512BAF8D.7080308@biostat.wisc.edu> <CAFOYbcnEN=Pzd9k4hvR%2BwqP3_HJj3-QRQSwocfHDSehUH5YPXA@mail.gmail.com> <CAKOb=YYyJZyKzpEBT%2Bo-Vmn7dedRfVW%2BwVh1KVM7oaWT63%2BqBg@mail.gmail.com> <CAKOb=YYRu94CRC8Fd1TrWezHig6Od_uNpO2f%2BtCBQTBNQVjtog@mail.gmail.com> <CAMOc5cz%2BknVK=skEz1z=WNAjd5mL3DeOVBasHnJ6ggsNtiQdbA@mail.gmail.com> <CAKOb=YYxEo2O09t3Fq9hw3hoLegDgDbouF6XwasKS-yGRbPQEQ@mail.gmail.com> <CAFOYbcnJtS5W%2Bw2Vob16QVGFimn=iWyUXXbTfaEhr_a5KXbFWg@mail.gmail.com>
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On Mon, Mar 4, 2013 at 10:22 AM, Jack Vogel <jfvogel@gmail.com> wrote: > >> >> Thanks. So on FreeBSD 9.1-RELEASE it is advisable to set >> hw.em.enable_msix=0 for 82574L? Are there other em(x) NICs where this >> is advisable? >> > > As I explained in a previous email, this is not advisable unless you are > experiencing problems (like hangs), if you are then its one possible > cause, so try falling back to MSI to see if it eliminates your problem. > > And, 82574 is the only devise the em driver supports at present that is > capable of MSIX, all others use the igb driver. > Jack, thanks for clarifying. Its much appreciated. > Regards, > > Jack >
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