OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
  • 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
  • Votes
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by psyborg - 08.03.2019

FS#2172 - ath79: Archer C7 v1 CPU hang

OpenWrt SNAPSHOT, r9548-9f818cb

boot ramdisk image, set password and configure wifi with following settings:

config wifi-device 'radio0'
	option type 'mac80211'
	option hwmode '11g'
	option path 'platform/ahb/ahb:apb/18100000.wmac'
	option channel '5'
	option htmode 'HT40'
	option txpower '25'
	option country 'US'
	option legacy_rates '0'

config wifi-iface 'default_radio0'
	option device 'radio0'
	option network 'lan'
	option mode 'ap'
	option encryption 'psk2+ccmp'
	option key 'gsthrsrt6uhsthw6wu54ws'
	option ieee80211w '1'
	option wpa_disable_eapol_key_retries '1'
	option ssid 'OpenWrt2'

do some iperf traffic both ways (~130Mbps) for few minutes

executed command iw phy0 set distance auto, ran few short iperf tests after that

from luci unchecked Allow legacy 802.11b rates and hit apply

wifi doesn’t come up, CPU hangs, no additional messages on console except below posted and console don’t respond. device restarted automatically within a minute or so.

[ 1125.499211] device wlan0 left promiscuous mode
[ 1125.503804] br-lan: port 2(wlan0) entered disabled state
[ 1126.181396] br-lan: port 2(wlan0) entered blocking state
[ 1126.186789] br-lan: port 2(wlan0) entered disabled state
[ 1126.192445] device wlan0 entered promiscuous mode
[ 1126.197272] br-lan: port 2(wlan0) entered blocking state
[ 1126.202691] br-lan: port 2(wlan0) entered forwarding state
[ 1126.527341] br-lan: port 2(wlan0) entered disabled state
[ 1128.047343] ath: phy0: Unable to reset channel, reset status -5

psyborg commented on 08.03.2019 02:36

initial setting was:

option legacy_rates '1'

in report is c/p typo after another boot


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