Date: Tue, 21 Apr 2009 09:52:09 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: xer <xernet@hotmail.it> Cc: freebsd-stable@freebsd.org Subject: Re: watchdog timeout Message-ID: <20090421005209.GD93322@michelle.cdnetworks.co.kr> In-Reply-To: <20090410044340.GJ37714@michelle.cdnetworks.co.kr> References: <20090407120032.633E410656D5@hub.freebsd.org> <BAY126-DS446FD5BE2D016BDCD821AA3820@phx.gbl> <20090410044340.GJ37714@michelle.cdnetworks.co.kr>
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On Fri, Apr 10, 2009 at 01:43:40PM +0900, Pyun YongHyeon wrote: > On Wed, Apr 08, 2009 at 10:41:44AM +0200, xer wrote: > > Hello > > I have some problems with 3Com nics, after a upgrade from 5.5-STABLE to > > 6.4-STABLE. > > > > This machine has two 3com nics (one is LAN other is WAN) and i see too much > > "watchdog timeout" on both cards. > > This on/off up/down on cards, affect the interrupt to clients that are > > downloading from apache web server, especially on large files. > > > > -------------------------------------------- > > xer:/root# dmesg > > xl1: watchdog timeout > > xl1: link state changed to DOWN > > xl1: link state changed to UP > > xl1: watchdog timeout > > xl1: link state changed to DOWN > > xl1: link state changed to UP > > xl1: watchdog timeout > > xl1: link state changed to DOWN > > xl1: link state changed to UP > > --------------------------------------------- > > > > xer:/root# cat /var/run/dmesg.boot | grep xl > > xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xec00-0xec7f mem > > 0xfceffc00-0xfceffc7f irq 23 at device 11.0 on pci2 > > miibus0: <MII bus> on xl0 > > xlphy0: <3c905C 10/100 internal PHY> on miibus0 > > xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto > > xl0: Ethernet address: 00:01:02:e0:04:1b > > xl1: <3Com 3c905C-TX Fast Etherlink XL> port 0xe880-0xe8ff mem > > 0xfceff800-0xfceff87f irq 20 at device 12.0 on pci2 > > miibus1: <MII bus> on xl1 > > xlphy1: <3c905C 10/100 internal PHY> on miibus1 > > xlphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto > > xl1: Ethernet address: 00:01:02:df:fe:ed > > --------------------------------------------- > > Another doubt would be my kernel config, maybe there is something wrong > > that i cannot see, i'll post at the end of this post, 'cause is too long. > > > > As you can see, the cards are 3c905C-TX model. > > Someone told me to change drivers, but i cannot understand this advice. > > I got same errors with same cards but with another mainboard, same problem, > > watchdog appears after an upgrade from 5.4-STABLE to 6.4-STABLE. > > > > I don't think that to change nic's pci slots, will solve the problem, i > > think that maybe change the nics would resolve the matter, but i cannot > > access to both FreeBSD phisically, cause the boxes are too far from me > > (about 3500 km). > > > > I'm asking you some advices, and i can i fix this problem. > > p.s. with both 5.4 or 5.5 old kernel, the nics was fine. > > > > I vaguely remember there were a couple of reports on xl(4) watchdog > timeouts. I'm not sure this came from missing Tx interrupts but > would you try attached patch? > Note, it was generated against HEAD and you should experiment the > attached patch on local box prior to applying to your production > server. For the records, patch committed to HEAD(r191344, r191345).
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