Bug 256175 - Network interface sk0 is periodically switched DOWN, then UP without apparent reason, correlated with network activity
Summary: Network interface sk0 is periodically switched DOWN, then UP without apparent...
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 13.0-STABLE
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-net (Nobody)
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2021-05-26 19:27 UTC by Yuri Victorovich
Modified: 2021-05-26 21:09 UTC (History)
0 users

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Description Yuri Victorovich freebsd_committer freebsd_triage 2021-05-26 19:27:12 UTC 
My /var/log/messages file looks like this:
May 26 12:06:34 yv kernel: sk0: link state changed to DOWN
May 26 12:06:34 yv kernel: sk0: link state changed to UP
May 26 12:06:44 yv kernel: sk0: link state changed to DOWN
May 26 12:06:44 yv kernel: sk0: link state changed to UP
May 26 12:07:34 yv kernel: sk0: link state changed to DOWN
May 26 12:07:34 yv kernel: sk0: link state changed to UP
May 26 12:07:44 yv kernel: sk0: link state changed to DOWN
May 26 12:07:44 yv kernel: sk0: link state changed to UP
May 26 12:08:24 yv kernel: sk0: link state changed to DOWN
May 26 12:08:24 yv kernel: sk0: link state changed to UP
May 26 12:08:34 yv kernel: sk0: link state changed to DOWN
May 26 12:08:34 yv kernel: sk0: link state changed to UP
May 26 12:09:34 yv kernel: sk0: link state changed to DOWN
May 26 12:09:34 yv kernel: sk0: link state changed to UP
May 26 12:09:54 yv kernel: sk0: link state changed to DOWN
May 26 12:09:54 yv kernel: sk0: link state changed to UP
May 26 12:10:24 yv kernel: sk0: link state changed to DOWN
May 26 12:10:24 yv kernel: sk0: link state changed to UP
May 26 12:12:14 yv kernel: sk0: link state changed to DOWN
May 26 12:12:14 yv kernel: sk0: link state changed to UP
May 26 12:12:24 yv kernel: sk0: link state changed to DOWN
May 26 12:12:24 yv kernel: sk0: link state changed to UP
May 26 12:12:34 yv kernel: sk0: link state changed to DOWN
May 26 12:12:34 yv kernel: sk0: link state changed to UP
May 26 12:12:54 yv kernel: sk0: link state changed to DOWN
May 26 12:12:54 yv kernel: sk0: link state changed to UP
May 26 12:13:54 yv kernel: sk0: link state changed to DOWN
May 26 12:13:54 yv kernel: sk0: link state changed to UP
May 26 12:14:14 yv kernel: sk0: link state changed to DOWN
May 26 12:14:14 yv kernel: sk0: link state changed to UP
May 26 12:14:24 yv kernel: sk0: link state changed to DOWN
May 26 12:14:24 yv kernel: sk0: link state changed to UP
May 26 12:14:34 yv kernel: sk0: link state changed to DOWN
May 26 12:14:34 yv kernel: sk0: link state changed to UP
May 26 12:15:04 yv kernel: sk0: link state changed to DOWN
May 26 12:15:04 yv kernel: sk0: link state changed to UP

This was happening in 12-STABLE, and now this happens in 13-STABLE.
This happens more frequently when network activity is high.

The network card is recognized as:
> May 23 16:01:57 yv kernel: skc0: <Linksys EG1032 Gigabit Ethernet> port 0xe800-0xe8ff mem 0xfbefc000-0xfbefffff irq 17 at device 1.0 on pci7
> May 23 16:01:57 yv kernel: skc0: SK-9521 10/100/1000Base-T Adapter rev. (0x1)
> May 23 16:01:57 yv kernel: sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
> May 23 16:01:57 yv kernel: sk0: Ethernet address: 00:0c:41:1a:a7:22
> May 23 16:01:57 yv kernel: miibus2: <MII bus> on sk0
> May 23 16:01:57 yv kernel: e1000phy2: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus2
> May 23 16:01:57 yv kernel: e1000phy2:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto