Date: Mon, 07 Feb 2011 13:14:22 +0600 From: Eugene Grosbein <egrosbein@rdtc.ru> To: lev@freebsd.org Cc: freebsd-net@freebsd.org Subject: Re: em0 hangs without any messages like "Watchdog timeout", only down/up reset it. Message-ID: <4D4F9BCE.2070309@rdtc.ru> In-Reply-To: <787079038.20110207004023@serebryakov.spb.ru> References: <787079038.20110207004023@serebryakov.spb.ru>
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On 07.02.2011 03:40, Lev Serebryakov wrote: > Hello, Freebsd-stable. > > > My em0 (the same, copy'n'paste hardware info from previous > mnessage): > > em0@pci0:0:25:0: class=0x020000 card=0x82681043 chip=0x10bd8086 rev=0x02 hdr=0x00 > vendor = 'Intel Corporation' > device = 'Intel 82566DM Gigabit Ethernet Adapter (82566DM)' > class = network > subclass = ethernet > bar [10] = type Memory, range 32, base 0xfea40000, size 131072, enabled > bar [14] = type Memory, range 32, base 0xfea79000, size 4096, enabled > bar [18] = type I/O Port, range 32, base 0xdc00, size 32, enabled > cap 01[c8] = powerspec 2 supports D0 D3 current D0 > cap 05[d0] = MSI supports 1 message, 64 bit > cap 09[e0] = vendor (length 6) Intel cap 2 version 0 > > It is on-board LAN on Q35-based MoBo (ASUS P5E-VM DO) > > 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). > > Locally system works, but mbufs are overfilled. "ifconfig em0 down > && ifconfig em0 up" solves problem. > > Output of different diagnostic tools (vmstat, netstat, ifconfig, > sysctl of dev.em.0 tree, top -S) are attached in one file. > > Early (about half year ago) this sytem works without any problems > with net. Have you read thread "em driver, 82574L chip, and possibly ASPM" in net@ ?
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