kernel panics with OpenWRT 21.x snapshots #400
Comments
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maybe you should just avoid to use the monitor mode, since this mode isnt supported by the driver. i just wonder why you are able to use monitor mode since the driver does not offer the required support flags |
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Literally states in the driver readme how to debug: Monitor interface for debug |
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Able to induce kernel panic on 19.07.8 as well. |
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i just can tell you that i find no evidence that the driver has monitor mode support. but we find strong evidence that enabling monitor mode crashes the driver. since nobody is maintaining the driver you simply have to avoid using the monitor mode. |
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I'm finding lockups with 21. as well... Where before in 19.07.8 I was able to run 5GHz without too many issues, after upgrading I now have constant stability problems. |
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there where always stability issues, especially if using IOS / apple devices. |
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I can at will kernel panic 21.x snapshots I am running. I have been trying to debug my 5G wifi issues and ran into this issue only on the wireless side.
Wireless config:
`config wifi-device 'radio0'
option type 'mac80211'
option path 'soc/soc:pcie/pci0000:00/0000:00:01.0/0000:01:00.0'
option channel '36'
option band '5g'
option htmode 'VHT80'
option country 'US'
option cell_density '0'
option log_level '0'
config wifi-iface 'default_radio0'
option device 'radio0'
option network 'lan'
option mode 'ap'
option ssid 'OpenWrt'
option macaddr '30:23:xx:xx:xx:xx'
option disassoc_low_ack '0'
option encryption 'psk2+ccmp'
option key 'toomuchFUN'
config wifi-device 'radio1'
option type 'mac80211'
option path 'soc/soc:pcie/pci0000:00/0000:00:02.0/0000:02:00.0'
option channel '1'
option band '2g'
option htmode 'HT20'
option disabled '1'
option country 'US'
config wifi-iface 'default_radio1'
option device 'radio1'
option network 'lan'
option mode 'ap'
option ssid 'OpenWrt'
option encryption 'none'
option macaddr '30:23:03:df:49:29'
config wifi-device 'radio2'
option type 'mac80211'
option path 'platform/soc/soc:internal-regs/f10d8000.sdhci/mmc_host/mmc0/mmc0:0001/mmc0:0001:1'
option channel '34'
option band '5g'
option htmode 'VHT80'
option disabled '1'
config wifi-iface 'default_radio2'
option device 'radio2'
option network 'lan'
option mode 'ap'
option ssid 'OpenWrt'
option encryption 'none'
`
Steps to reproduce via ssh to the router:
Open another ssh session to the router :
iperf3 -sFrom another wireless device launch iperf3 as a client. I am using magic perf from the google playstore on my android phone. Will kernel panic usually in about 20 seconds.
Linux OpenWrt 5.4.143 #0 SMP Sun Aug 29 22:37:47 2021 armv7l GNU/Linux
Firmware Version：OpenWrt SNAPSHOT r17454-f08b76b32f
With Kernel 5.10.61:
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