Date: Mon, 07 Feb 2011 08:02:59 -0500 From: Mike Tancsa <mike@sentex.net> To: Lev Serebryakov <lev@freebsd.org> Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org, "Vogel, Jack" <jack.vogel@intel.com> Subject: Re: em0 hangs without any messages like "Watchdog timeout", only down/up reset it. Message-ID: <4D4FED83.2010400@sentex.net> In-Reply-To: <504473738.20110207155203@serebryakov.spb.ru> References: <787079038.20110207004023@serebryakov.spb.ru> <4D4FE3F3.6030604@sentex.net> <504473738.20110207155203@serebryakov.spb.ru>
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> > /boot/loader.conf: > hw.em.rxd=4096 > hw.em.txd=4096 > net.link.ifqmaxlen=16384 > > /etc/sysctl.conf: > dev.em.0.rx_int_delay=200 > dev.em.0.tx_int_delay=200 > dev.em.0.rx_abs_int_delay=4000 > dev.em.0.tx_abs_int_delay=4000 > dev.em.0.rx_processing_limit=4096 > > > I'm trying to run with patch from "em driver, 82574L chip, and > possibly ASPM" thread now under heavy network load. > Hi Lev, What if you try with just the defaults ? Not sure the patch posted by jack and sean will help as its meant for a specific type of em nic, but the RELENG_8 version I am testing with is here http://www.tancsa.com/if_em-8.c. There is a patch to jack's patch by Sean as well thats incorporated in that version ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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