Date: Thu, 5 Jul 2012 17:29:30 -0700 From: YongHyeon PYUN <pyunyh@gmail.com> To: Willem Jan Withagen <wjw@digiware.nl> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: sk0 link bouncing Message-ID: <20120706002930.GA1466@michelle.cdnetworks.com> In-Reply-To: <4FF41610.10402@digiware.nl> References: <4FF41610.10402@digiware.nl>
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On Wed, Jul 04, 2012 at 12:08:16PM +0200, Willem Jan Withagen wrote: > Hi, > > I've got tons of these since I stopped loading the port with traffic.... > It seems to have a pretty steady 27 min interval. > > Jul 4 07:00:05 freetest kernel: sk0: link state changed to DOWN > Jul 4 07:00:05 freetest kernel: sk0: link state changed to UP > Jul 4 07:27:21 freetest kernel: sk0: link state changed to DOWN > Jul 4 07:27:21 freetest kernel: sk0: link state changed to UP > Jul 4 07:53:48 freetest kernel: sk0: link state changed to DOWN > Jul 4 07:53:48 freetest kernel: sk0: link state changed to UP > Jul 4 08:21:16 freetest kernel: sk0: link state changed to DOWN > Jul 4 08:21:16 freetest kernel: sk0: link state changed to UP > Jul 4 08:48:10 freetest kernel: sk0: link state changed to DOWN > Jul 4 08:48:11 freetest kernel: sk0: link state changed to UP > Jul 4 09:13:38 freetest kernel: sk0: link state changed to DOWN > Jul 4 09:13:38 freetest kernel: sk0: link state changed to UP > Jul 4 09:39:06 freetest kernel: sk0: link state changed to DOWN > Jul 4 09:39:06 freetest kernel: sk0: link state changed to UP > > Very recent 10-current install with std GENERIC kernel. > FreeBSD freetest.digiware.nl 10.0-CURRENT FreeBSD 10.0-CURRENT #1: Sat > Jun 30 09:35:43 UTC 2012 > root@freetest.digiware.nl:/usr/obj/usr/src/sys/GENERIC amd64 > > The port is connected to a basic netgear 10/100/1000 switch with nothing > modified in the config of that port. > Other connections do not seem to suffer from disconnecting. > > Used the server to 'zfs send' a 360G backup to, and then it did not do > anything like this, the port just stayed up. > > Suggestions where of what to look for this? Probably you have to implement link state change handler for Marvell controller(i.e. sk_marv_miibus_statchg()). Locking for MII access should be revisited too. Sorry, don't have spare time to do that. > > Thanx, > --WjW
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