[Bug 206567] [msk] msk0: watchdog timeout - 88E8053 on i386

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206567

Tom Lane <tgl at sss.pgh.pa.us> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tgl at sss.pgh.pa.us

--- Comment #2 from Tom Lane <tgl at sss.pgh.pa.us> ---
I'm getting much the same behavior on an early 2006 Mac Mini (MA206LL/A).  The
ethernet interface shows up in dmesg just as quoted above:

...
pcib1: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pcib1: failed to allocate initial I/O port window: 0x1000-0x1fff
pci1: <ACPI PCI bus> on pcib1
mskc0: <Marvell Yukon 88E8053 Gigabit Ethernet> mem 0x90200000-0x90203fff irq
16 at device 0.0 on pci1
msk0: <Marvell Technology Group Ltd. Yukon EC Id 0xb6 Rev 0x02> on mskc0
msk0: Using defaults for TSO: 65518/35/2048
msk0: Ethernet address: 00:16:cb:a5:22:11
miibus0: <MII bus> on msk0
e1000phy0: <Marvell 88E1111 Gigabit PHY> PHY 0 on miibus0
e1000phy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.1 on pci0
pci2: <ACPI PCI bus> on pcib2
...

Things work fine for quite a while (a month or more), and then suddenly the
interface fails to operate, with repeating messages like this in syslog:

Mar 17 03:27:15 oldmini kernel: msk0: watchdog timeout
Mar 17 03:27:15 oldmini kernel: msk0: link state changed to DOWN
Mar 17 03:27:18 oldmini kernel: msk0: link state changed to UP
Mar 17 03:28:15 oldmini kernel: msk0: watchdog timeout
Mar 17 03:28:15 oldmini kernel: msk0: link state changed to DOWN
Mar 17 03:28:18 oldmini kernel: msk0: link state changed to UP
Mar 17 03:29:16 oldmini kernel: msk0: watchdog timeout
Mar 17 03:29:16 oldmini kernel: msk0: link state changed to DOWN
Mar 17 03:29:19 oldmini kernel: msk0: link state changed to UP
Mar 17 03:30:16 oldmini kernel: msk0: watchdog timeout
Mar 17 03:30:16 oldmini kernel: msk0: link state changed to DOWN
Mar 17 03:30:19 oldmini kernel: msk0: link state changed to UP

Rebooting fixes it; I've not tried any lesser solutions.

Currently running
FreeBSD oldmini.sss.pgh.pa.us 12.1-RELEASE-p2 FreeBSD 12.1-RELEASE-p2 GENERIC 
i386
but I also saw this with 12.0.

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