kern/54373: wm(4) MDIC read/write error on Panasonic CF-NX3

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

>Number:         54373
>Category:       kern
>Synopsis:       wm(4) MDIC read/write error on Panasonic CF-NX3
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jul 13 15:20:00 +0000 2019
>Originator:     Izumi Tsutsui
>Release:        NetBSD 8.1
>Organization:
>Environment:
System: NetBSD mirage 8.1 NetBSD 8.1 (GENERIC) #0: Fri May 31 08:43:59 UTC 2019 mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/i386/compile/GENERIC i386
Architecture: i386
Machine: i386
>Description:
After reboot from Windows 10 Pro 64bit 1903,
wm(4) driver on NetBSD/amd64 8.1 complains on attach:

---
NetBSD 8.1 (GENERIC) #0: Fri May 31 08:43:59 UTC 2019
        mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC
total memory = 3265 MB
avail memory = 3146 MB
cpu_rng: RDRAND
timecounter: Timecounters tick every 10.000 msec
Kernelized RAIDframe activated
running cgd selftest aes-xts-256 aes-xts-512 done
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
efi: systbl at pa dbf52f18
Panasonic Corporation CF-NX3RDJCS (002)
mainbus0 (root)

 :

wm0 at pci0 dev 25 function 0: I218 LM Ethernet Connection (rev. 0x04)
wm0: interrupting at msi1 vec 0
wm0: PCI-Express bus
wm0: 2048 words FLASH
wm0: Ethernet address xx:xx:xx:xx:xx:xx
wm0: 0xa4480<FLASH,IOH_VALID,PCIE,ASF_FIRM,AMT>
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC read timed out: phy 1 reg 23
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 23
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC read timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC read timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC read timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC read timed out: phy 1 reg 26
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 26
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 30
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 18
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 16
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 17
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC read timed out: phy 1 reg 25
wm0: MDIC write timed out: phy 1 reg 31
wm0: MDIC write timed out: phy 1 reg 25
wm0: MDIC read timed out: phy 2 reg 2
wm0: MDIC read timed out: phy 2 reg 2
XXX return with false
wm0: MDIC write error: phy 1 reg 23
ihphy0 at wm0 phy 2: i217 10/100/1000 media interface, rev. 5
ihphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
---

On the first power-on startup it's attached without errors.

>How-To-Repeat:
Boot NetBSD/amd64 8.1 after reboot from Windows 10 Pro 64 bit.

>Fix:
No idea. Some initialization missing?