Problem: RTL8822CE driver caused kernel panic (watchdog hard LOCKUP) when hostapd tried to use VHT 802.11ac with 80MHz channel width on channel 149. Root cause: Driver/firmware instability with VHT capabilities on this chip. Solution: Disable VHT, use HT40+ (802.11n) only. - Removes ieee80211ac (VHT), ieee80211ax (802.11ax), and 80MHz channel width - Keeps HT40+ with Short GI for reasonable performance - Stable operation on channel 149 (5745 MHz) This allows the 5GHz AP to start and beacon without lockup on R5C hardware. Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
33 lines
1.0 KiB
Plaintext
33 lines
1.0 KiB
Plaintext
interface=@WIFI_5G_IFACE@
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# Put the AP into br0 so Wi-Fi and the wired LAN port share one 10.42.1.0/24 segment.
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# hostapd adds the wlan to the bridge after setting AP mode; the bridge itself + its
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# wired member + the gateway IP are defined under /etc/systemd/network (2x-van-br0/lan).
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bridge=br0
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# Control socket so van-ap-watchdog (and hostapd_cli) can read the AP's real state
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# (state=ENABLED means it's actually beaconing) — used to detect a wedged radio that
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# stays "running" but stops serving after a USB glitch.
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ctrl_interface=/var/run/hostapd
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driver=nl80211
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ssid=VanLink2
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country_code=CA
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ieee80211d=1
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ieee80211h=0
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hw_mode=a
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channel=149
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wmm_enabled=1
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ieee80211n=1
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ht_capab=[HT40+][SHORT-GI-20][SHORT-GI-40]
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# Disabled: VHT/80MHz causes RTL8822CE driver lockup on channel 149
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# ieee80211ac=1
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# vht_oper_chwidth=1
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# vht_oper_centr_freq_seg0_idx=155
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# vht_capab=[RXLDPC][SHORT-GI-80][SU-BEAMFORMEE]
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# ieee80211ax=1
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# he_oper_chwidth=1
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# he_oper_centr_freq_seg0_idx=155
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auth_algs=1
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wpa=2
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wpa_passphrase=1foot11foot11
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wpa_key_mgmt=WPA-PSK
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rsn_pairwise=CCMP
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