Date: Tue, 26 Feb 2008 13:32:17 +0200 From: Leonidas Tsampros <ltsampros@upnet.gr> To: freebsd-questions@freebsd.org Subject: msk nic and watchdog timeouts Message-ID: <20080226113217.GA9278@bifteki.lan>
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Hello,
I ran a machine with FreeBSD 7.0-PRERELEASE (i386) (checked out and
built on 12 January). My mainboard has 2 onboard NICs, which are
identified correctly:
Feb 24 18:54:35 bifteki kernel: msk0: <Marvell Technology Group Ltd. Yukon EC Id 0xb6 Rev 0x01> on mskc0
Feb 24 18:54:35 bifteki kernel: sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
Output from pciconf -lv:
mskc0@pci0:2:0:0: class=0x020000 card=0x100a15bd chip=0x436211ab rev=0x19 hdr=0x00
vendor = 'Marvell Semiconductor (Was: Galileo Technology Ltd)'
device = '88E8053 Marvell Yukon 88E8053 PCI-E Gigabit Ethernet Controller'
class = network
subclass = ethernet
skc0@pci0:3:10:0: class=0x020000 card=0x100a15bd chip=0x432011ab rev=0x13 hdr=0x00
vendor = 'Marvell Semiconductor (Was: Galileo Technology Ltd)'
device = 'Yukon 88E8001/8003/8010 PCI Gigabit Ethernet Controller (Copper)'
class = network
subclass = ethernet
After random intervals of time and usage the msk0 driver fails with
the followings messages:
Feb 24 18:27:21 bifteki kernel: msk0: watchdog timeout
Feb 24 18:27:21 bifteki kernel: msk0: link state changed to DOWN
Feb 24 18:27:23 bifteki kernel: msk0: link state changed to UP
Feb 24 18:28:02 bifteki kernel: msk0: watchdog timeout (missed Tx interrupts) -- recovering
Feb 24 18:28:15 bifteki kernel: msk0: watchdog timeout (missed Tx interrupts) -- recovering
Feb 24 18:28:20 bifteki kernel: msk0: watchdog timeout (missed Tx interrupts) -- recovering
Feb 24 18:28:28 bifteki kernel: msk0: watchdog timeout (missed Tx interrupts) -- recovering
and after this point the nic becomes unusable.
Has anyone noticed this happening? Is there any way to help debugging
this issue ? I thought of raising dev.mskc.%d.process_limit, but I
don't know if that's related.
Thanks,
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