OpenWrt/LEDE Project

  • Status Closed
  • Percent Complete
    100%
  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity Low
  • Priority Very Low
  • Reported Version Trunk
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Russell Senior - 13.08.2019
Last edited by Adrian Schmutzler - 06.04.2020

FS#2442 - eth0 doesn't work on ath79 and AR7240 Rev 2 for ubnt-bullet-m

Supply the following if possible:
- Device problem occurs on

Ubiquiti Bullet M with AR7240 Rev 2 (AR7241 works fine)

- Software versions of OpenWrt/LEDE release, packages, etc.

first noticed in March 2019, replicated today on reboot-10753-gbcfd1d7685

- Steps to reproduce

Plug an ethernet cable, try to pass traffic, check interface status.

# dmesg | grep eth
[ 1.259129] ag71xx 19000000.eth: connected to PHY at mdio-bus.0:1f:04 [uid=00000000, driver=Generic PHY]
[ 1.269672] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: mii
[ 8.504454] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 27.608176] br-pub: port 1(eth0) entered blocking state
[ 27.613435] br-pub: port 1(eth0) entered disabled state
[ 27.619234] device eth0 entered promiscuous mode

Works fine on ar71xx. On IRC:

2019-02-24 17:53 gch981213: russell–: ar71xx has the ability to auto-detect many things but ath79 doesn’t. ar7240 and ar7241 can’t share the same dts on arh79 but they can use the same piece of machine code in ar71xx.

How to sensibly support both AR7240 and AR7241 in ath79 considering it is not easy to distinguish them externally?


Closed by  Adrian Schmutzler
06.04.2020 18:39
Reason for closing:  Implemented
Additional comments about closing:  

Implemented in https://git.o penwrt.org/?p=openwrt/openwrt.git;a=comm it;h=d5812478ad4c882256e43a2ad52ddf0c094 4db7b

Russell Senior commented on 13.08.2019 23:05

Severity should be higher than "low", as this problem prevents ethernet functioning.

Project Manager
Adrian Schmutzler commented on 06.11.2019 17:50
first noticed in March 2019, replicated today on reboot-10753-gbcfd1d7685

Does that mean that older ath79 versions were working? If yes, please find the commit breaking it.

Russell Senior commented on 08.11.2019 07:32

No, according to gch981213 (the IRC reference) it has never been supported on ath79 (or wasn't at the time of the report).

Russell Senior commented on 05.04.2020 12:35

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