Date: Wed, 15 Jun 2011 00:57:54 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Joshua Boyd <boydjd@jbip.net> Cc: freebsd-stable <freebsd-stable@freebsd.org>, "Vogel, Jack" <jack.vogel@intel.com> Subject: Re: em0 watchdog timeouts on 8-STABLE Message-ID: <20110615075754.GA54879@icarus.home.lan> In-Reply-To: <BANLkTinoyV61RzkB8HbHe=AY8zsBov4JXg@mail.gmail.com> References: <BANLkTinoyV61RzkB8HbHe=AY8zsBov4JXg@mail.gmail.com>
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On Wed, Jun 15, 2011 at 03:14:43AM -0400, Joshua Boyd wrote: > I recently updated my server to the latest 8-STABLE, and upgraded to v28 > ZFS. I have not had these problems on any other version of 8-STABLE or > 7-STABLE, which this box was upgraded from some time ago. > > Now, during my weekly scrub, I get the following messages and em0 is > unresponsive: > > Jun 12 03:07:58 foghornleghorn kernel: em0: Watchdog timeout -- resetting > Jun 12 03:07:58 foghornleghorn kernel: em0: link state changed to DOWN > Jun 12 03:08:01 foghornleghorn kernel: em0: link state changed to UP > Jun 12 03:08:47 foghornleghorn kernel: em0: Watchdog timeout -- resetting > Jun 12 03:08:47 foghornleghorn kernel: em0: link state changed to DOWN > Jun 12 03:08:50 foghornleghorn kernel: em0: link state changed to UP > > My scrub is scheduled to start at 03:00:00, so it looks like watchdog > timeouts start occurring pretty quickly once I/O ramps up. > > Here's some possibly relevant information, let me know if anything else > would be helpful to troubleshoot. > > FreeBSD foghornleghorn.res.openband.net 8.2-STABLE FreeBSD 8.2-STABLE #17: > Mon Jun 6 19:40:19 EDT 2011 > root@foghornleghorn.res.openband.net:/usr/obj/usr/src/sys/FOGHORNLEGHORN > amd64 > > em0: <Intel(R) PRO/1000 Legacy Network Connection 1.0.3> port 0xe800-0xe83f > mem 0xfebe0000-0xfebfffff,0xfebc0000-0xfebdffff irq 20 at device 5.0 on pci7 > > em0@pci0:7:5:0: class=0x020000 card=0x13768086 chip=0x107c8086 rev=0x05 > hdr=0x00 > vendor = 'Intel Corporation' > device = 'Gigabit Ethernet Controller (Copper) rev 5 (82541PI)' > class = network > subclass = ethernet > > And, the SAS cards: > > dev.mpt.0.%desc: LSILogic SAS/SATA Adapter > dev.mpt.0.%driver: mpt > dev.mpt.0.%location: slot=0 function=0 > dev.mpt.0.%pnpinfo: vendor=0x1000 device=0x0058 subvendor=0x15d9 > subdevice=0xa580 class=0x010000 > dev.mpt.0.%parent: pci1 > dev.mpt.0.debug: 3 > dev.mpt.0.role: 1 > dev.mpt.1.%desc: LSILogic SAS/SATA Adapter > dev.mpt.1.%driver: mpt > dev.mpt.1.%location: slot=0 function=0 > dev.mpt.1.%pnpinfo: vendor=0x1000 device=0x0058 subvendor=0x15d9 > subdevice=0xa580 class=0x010000 > dev.mpt.1.%parent: pci2 > dev.mpt.1.debug: 3 > dev.mpt.1.role: 1 > dev.mpt.2.%desc: LSILogic SAS/SATA Adapter > dev.mpt.2.%driver: mpt > dev.mpt.2.%location: slot=0 function=0 > dev.mpt.2.%pnpinfo: vendor=0x1000 device=0x0058 subvendor=0x1000 > subdevice=0x30a0 class=0x010000 > dev.mpt.2.%parent: pci6 > dev.mpt.2.debug: 3 > dev.mpt.2.role: 1 Please provide output from the following commands (as root): # pciconf -lvcb # vmstat -i # sysctl -a | grep msi # dmesg -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, US | | Making life hard for others since 1977. PGP 4BD6C0CB |
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