From owner-freebsd-net@FreeBSD.ORG Wed Aug 18 00:30:12 2010 Return-Path: Delivered-To: freebsd-net@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 888ED1065675 for ; Wed, 18 Aug 2010 00:30:12 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 5E48E8FC1D for ; Wed, 18 Aug 2010 00:30:12 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o7I0UCDU097646 for ; Wed, 18 Aug 2010 00:30:12 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o7I0UChT097638; Wed, 18 Aug 2010 00:30:12 GMT (envelope-from gnats) Date: Wed, 18 Aug 2010 00:30:12 GMT Message-Id: <201008180030.o7I0UChT097638@freefall.freebsd.org> To: freebsd-net@FreeBSD.org From: Brad Degnan Cc: Subject: Re: kern/147824: [msk]: watchdog timeouts X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Brad Degnan List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Aug 2010 00:30:12 -0000 The following reply was made to PR kern/147824; it has been noted by GNATS. From: Brad Degnan To: Ihsan Junaidi Ibrahim Cc: bug-followup@FreeBSD.org Subject: Re: kern/147824: [msk]: watchdog timeouts Date: Tue, 17 Aug 2010 16:57:03 -0700 On 8/17/2010 11:29 AM, Ihsan Junaidi Ibrahim wrote: > Hi, > > I'm also having this issue on the same model of motherboard except that > I'm running on a 100mbps network. I would get watchdog timeouts and TX > descriptor errors more frequently then not even there is minimal network > activity i.e. just SSH in the box. I'm running 8.1-RELEASE. > > mskc0: port 0xe800-0xe8ff mem > 0xfebfc000-0xfebfffff irq 18 at device 0.0 on pci2 > msk0: on > mskc0 > msk0: Ethernet address: 00:ea:01:15:c6:52 > miibus0: on msk0 > mskc0: [ITHREAD] > msk0: link state changed to UP > msk0: watchdog timeout > msk0: link state changed to DOWN > msk0: link state changed to UP > > Having TSO and MSI disabled in sysctl and loader respectively does not > appear to have any improvement. > I had to change the network interface to 100mbps half-duplex before the watchdog timeouts disappeared. It's definitely not optimal but works for me in the mean time. Full-duplex at 1000 and 100 and half-duplex at 1000 give me the watchdog timeouts and tx descriptor errors. Hope that helps > Additionally the kernel would panic when booting, this happens 1 in > every 2 tries: > > Aug 18 01:35:26 kernel: mskc0: > port 0xe800-0xe8ff mem 0xfebfc000-0xfebfffff irq 18 at device 0.0 on pci2 > Aug 18 01:35:26 kernel: msk0: Ultra Id 0xb4 Rev 0x05> on mskc0 > Aug 18 01:35:26 kernel: msk0: Ethernet address: ff:ff:ff:ff:ff:ff > Aug 18 01:35:26 kernel: msk0: No PHY found! > ... > Panic message ensues > > This happens regardless whether the cable is plugged or not. I haven't seen this yet, but I'm still on 8.1-PRERELEASE. I have no idea if downgrading would help. Do you have the latest bios? best, Brad