Date: Thu, 2 Nov 2017 23:35:47 +0900 From: YongHyeon PYUN <pyunyh@gmail.com> To: Ernie Luzar <luzar722@gmail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>, FreeBSD current <freebsd-current@freebsd.org> Subject: Re: watchdog timeout problem Message-ID: <20171102143547.GA1065@michelle.fasterthan.co.kr> In-Reply-To: <59FB27FB.6060704@gmail.com> References: <59FB27FB.6060704@gmail.com>
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On Thu, Nov 02, 2017 at 10:13:15AM -0400, Ernie Luzar wrote: > Posted this 10/31/2017 got no reply. > > Been getting these error messages since about release 10.0 I think. > Have changed to new hardware box and new cable modem and still having > the same error messages. Also occurs when I use em0 interface to connect > to the public internet instead of vge0. > > vge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> > metric 0 mtu 1500 > options=389b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM, > WOL_UCAST,WOL_MCAST,WOL_MAGIC> > ether 00:0b:db:19:33:18 > hwaddr 10:00:60:21:00:93 > inet xxx.xxx.xxx.xxx netmask 0xfffff000 > broadcast 255.255.255.255 > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > media: Ethernet autoselect (1000baseT <full-duplex,master>) > status: active > > > > Oct 30 23:43:38 fbsd kernel: vge0: watchdog timeout > Oct 30 23:43:38 fbsd kernel: vge0: link state changed to DOWN > Oct 30 23:43:42 fbsd kernel: vge0: link state changed to UP [...] Would you show me the output of dmesg? > > 11/2/2017 posting this now as a update > > I have continued to research this problem. > The "man watchdog" says that the command, > watchdog -d will provide debugging info, and > watchdog -t will set a new timeout timer value > > When I issue either of those commands I get this error message > watchdog: patting the dog: Operation not supported > > The man page also says a value of -t 0 disables the watchdog function. > > Issuing "watchdog -t 0" does not get that above error message, but the > watchdog function is still enabled because I am still getting the > > kernel: vge0: watchdog timeout > kernel: vge0: link state changed to DOWN > kernel: vge0: link state changed to UP > > messages. > The watchdog timeout message is generated when vge(4) didn't see transmit completion interrupts. It has nothing to do with watchdog(8) or watchdog(4).
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