[OpenWrt-Devel] ar8216: phy_init and bug report 18415

[Weedy]

On Wed, Dec 17, 2014 at 1:48 PM, Heiner Kallweit <hkallweit1 at gmail.com> wrote:
> Ticket 18415 was closed as it was confirmed that as at least version >=43419 is ok.
> (I assume 43410 fixed the issue.) Therefore current trunk should be ok.
>
> However if you want to check further what the actual root cause was:
> -> Re-enable the additional reset by reverting 43410
> -> Issue there?
> -> If yes, check whether inserting a mdiobus_write(bus, i, MII_BMCR, BMCR_ANENABLE);
>    before mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); in
>    ar8xxx_phy_init fixes it.
>
> Heiner
>

So I'm shitty and I forgot about this.
Today I reapplied 43332 (so my checkout should be "virgin"), and made a image.
My WAN port broke again. Should I still go back to 43410?
I saw how many commits you have made since then which is why I flashed r44119.

# dmesg |grep Atheros
[    0.000000] SoC: Atheros AR9344 rev 2
[    0.630000] switch0: Atheros AR8327 rev. 2 switch registered on ag71xx-mdio.0
[    1.300000] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.0:00
[uid=004dd033, driver=Atheros AR8216/AR8236/AR8316]
[    1.310000] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:RGMII
[   11.760000] ieee80211 phy0: Atheros AR9340 Rev:2 mem=0xb8100000, irq=47
[   11.810000] ieee80211 phy1: Atheros AR9300 Rev:4 mem=0xb0000000, irq=40
[   24.820000] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 2 is up
[   24.820000] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 4 is up
[  423.900000] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 3 is up
[  447.900000] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 2 is down
[  453.900000] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 1 is up


Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'wan' has
link connectivity loss
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'modem' is now down
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'modem' is disabled
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'modem' is enabled
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'modem' is
setting up now
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'modem' is now up
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:49:21 2015 daemon.notice netifd: Interface 'wan' has
link connectivity
Sun Jan 25 10:49:22 2015 user.notice firewall: Reloading firewall due
to ifup of modem (eth0.2)
Sun Jan 25 10:49:24 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:49:24 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:49:24 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:49:24 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:49:24 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:49:24 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:49:24 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:49:25 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:49:28 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:49:30 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:49:30 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:49:31 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:49:31 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:49:31 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:49:31 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:49:31 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:49:31 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:49:31 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:49:32 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:49:41 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:49:43 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:49:43 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:49:44 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:49:44 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:49:44 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:49:44 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:49:44 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:49:44 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:49:44 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:49:44 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:49:53 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:49:55 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:49:55 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:49:56 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:49:56 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:49:56 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:49:56 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:49:56 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:49:56 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:49:56 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:49:56 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:50:05 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:50:07 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:50:07 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:50:08 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:50:08 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:50:08 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:50:08 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:50:08 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:50:08 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:50:08 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:50:09 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:50:18 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:50:20 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:50:20 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:50:21 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:50:21 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:50:21 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:50:21 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:50:21 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:50:21 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:50:21 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:50:21 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:50:30 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:50:32 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:50:32 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:50:33 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:50:33 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:50:33 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:50:33 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:50:33 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:50:33 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:50:33 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:50:33 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:50:40 2015 kern.info kernel: [  423.900000] Atheros
AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 3 is up <---- moving
cables around
Sun Jan 25 10:50:45 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:50:45 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:50:45 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:50:45 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:50:45 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:50:45 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:50:45 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:50:55 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:50:57 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:50:57 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:50:58 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:50:58 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:50:58 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:50:58 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:50:58 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:50:58 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:50:58 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:50:58 2015 user.notice firewall: Reloading firewall due
to ifup of wan (eth0.2)
Sun Jan 25 10:51:04 2015 kern.info kernel: [  447.900000] Atheros
AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 2 is down <---- moving
cables around
Sun Jan 25 10:51:07 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:51:09 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:51:09 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:51:10 2015 kern.info kernel: [  453.900000] Atheros
AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 1 is up <---- connected
modem through a gigabit switch here
Sun Jan 25 10:51:10 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:51:10 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:51:10 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:51:10 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:51:10 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:51:10 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:51:10 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:51:19 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:51:21 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:51:21 2015 daemon.notice netifd: Interface 'wan' is now up
Sun Jan 25 10:51:22 2015 user.err syslog: module is already loaded - cls_u32
Sun Jan 25 10:51:22 2015 user.err syslog: module is already loaded - em_u32
Sun Jan 25 10:51:22 2015 user.err syslog: module is already loaded -
act_connmark
Sun Jan 25 10:51:22 2015 user.err syslog: module is already loaded - act_mirred
Sun Jan 25 10:51:22 2015 user.err syslog: module is already loaded - sch_ingress
Sun Jan 25 10:51:22 2015 user.err syslog: module is already loaded - cls_fw
Sun Jan 25 10:51:22 2015 user.err syslog: module is already loaded - sch_hfsc
Sun Jan 25 10:51:37 2015 daemon.notice netifd: Interface 'wan' is now down
Sun Jan 25 10:51:37 2015 daemon.notice netifd: Interface 'wan' has
link connectivity loss
Sun Jan 25 10:51:37 2015 daemon.notice netifd: Interface 'wan' has
link connectivity
Sun Jan 25 10:51:37 2015 daemon.notice netifd: Interface 'wan' is setting up now
Sun Jan 25 10:51:37 2015 daemon.info pppd[9400]: Plugin rp-pppoe.so loaded.

As an aside, why is netifd trying so hard when the port status hasn't changed?
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