Date: Mon, 7 Feb 2011 15:52:03 +0300 From: Lev Serebryakov <lev@freebsd.org> To: Mike Tancsa <mike@sentex.net> 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: <504473738.20110207155203@serebryakov.spb.ru> In-Reply-To: <4D4FE3F3.6030604@sentex.net> References: <787079038.20110207004023@serebryakov.spb.ru> <4D4FE3F3.6030604@sentex.net>
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Hello, Mike. You wrote 7 =F4=E5=E2=F0=E0=EB=FF 2011 =E3., 15:22:11: >> It hangs under load without any output. When it works with POLLING, it >> prints "Watchdog timeout" and reset automatically several times a day, >> but without POLLING it simply hangs with same frequency. It is >> 8.2-PRERELEASE (from RELENG_8), cvsupped AFTER 22 Jan (last commit to >> e1000 drivers family). >>=20 >> Locally system works, but mbufs are overfilled. "ifconfig em0 down >> && ifconfig em0 up" solves problem. > In non polling mode, do you have any special network or driver settings > in /boot/loader.conf or /etc/sysctl.conf ? /boot/loader.conf: hw.em.rxd=3D4096 hw.em.txd=3D4096 net.link.ifqmaxlen=3D16384 /etc/sysctl.conf: dev.em.0.rx_int_delay=3D200 dev.em.0.tx_int_delay=3D200 dev.em.0.rx_abs_int_delay=3D4000 dev.em.0.tx_abs_int_delay=3D4000 dev.em.0.rx_processing_limit=3D4096 I'm trying to run with patch from "em driver, 82574L chip, and possibly ASPM" thread now under heavy network load. --=20 // Black Lion AKA Lev Serebryakov <lev@serebryakov.spb.ru>
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