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wowlan: document a new failure mode/workaround

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Colin 2023-10-10 21:16:57 +00:00
parent f3162544f7
commit 6dd1d5759b
2 changed files with 18 additions and 0 deletions
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16
modules/wowlan.nix
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@ -56,6 +56,22 @@
# - CONFIG_ROAMING_FLAG = 0x3
# - may fail to wake on LAN, even without any signature like the above
# - observed after a suspension of 10 minutes, trying to contact from laptop (laptop would have previously not contacted moby)
# - may disassociate from WiFi and *refuse to reassociate even via nmtui, restarting NetworkManager/wpa_supplicant/polkit*
# - solution is `modprobe -r 8723cs && modprobe 8723cs`, then way a couple minutes.
# - possible this only happens when the driver is compiled with CONFIG_GTK_OL (or CONFIG_ARP_KEEP_ALIVE).
# - signature:
# - `Oct 10 14:42:40 moby sxmo_autosuspend-start[1312366]: DEBUG:__main__:invoking: iwpriv wlan0 wow_set_pattern pattern=-:-:-:-:-:-:-:-:-:-:-:-:08:00:-:-:-:-:-:-:-:-:-:06:-:-:-:-:-:-:-:-:-:-:-:-:00:16`
# - `Oct 10 14:42:40 moby kernel: [Warning] Error C2H ID=128, len=126`
# - `Oct 10 14:42:55 moby NetworkManager[2750]: <warn> [1696948975.4162] device (wlan0): link timed out.`
# - `Oct 10 14:42:55 moby NetworkManager[2750]: <warn> [1696948975.4749] device (wlan0): Activation: failed for connection 'xx'`
# - `Oct 10 14:42:59 moby wpa_supplicant[2845]: wlan0: CTRL-EVENT-STARTED-CHANNEL-SWITCH freq=2437 ht_enabled=1 ch_offset=0 ch_width=20 MHz cf1=2437 cf2=0`
# - `Oct 10 14:43:00 moby wpa_supplicant[2845]: wlan0: CTRL-EVENT-ASSOC-REJECT status_code=1`
# - `Oct 10 14:43:00 moby wpa_supplicant[2845]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="xx" auth_failures=1 duration=10 reason=CONN_FAILED`
# - `Oct 10 14:43:00 moby wpa_supplicant[2845]: wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD`
# - (then wpa_supplicant tries again)
# - `Oct 10 14:43:24 moby NetworkManager[2750]: <warn> [1696949004.4165] device (wlan0): Activation: (wifi) association took too long`
# - `Oct 10 14:43:24 moby NetworkManager[2750]: <warn> [1696949004.4201] device (wlan0): Activation: (wifi) asking for new secrets`
# - (above wpa_supplicant entries and these last two NM entries then repeat multiple times per minute, until driver reprobe)
#
# TODO: remove this file
# it's been obsoleted by hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh

2
pkgs/additional/linux-megous/default.nix
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@ -158,6 +158,8 @@ let
# experimental: set CONFIG_ARP_KEEP_ALIVE and CONFIG_GTK_OL if CONFIG_WOWLAN=y
# this patch just uncomments some commented-out #defines.
# they were commented out from the first time megi imported this driver, never touched.
# this may be problematic, occasionally requiring a driver re-probe. see other notes on wowlan/8723cs.
# if continued errors, try removing the CONFIG_GTK_OL and keeping just CONFIG_ARP_KEEP_ALIVE
name = "enable-wowlan-offloads";
patch = fetchpatch {
url = "https://git.uninsane.org/colin/linux/commit/c4d2d12e31ae70bb43c6190eccc49e42ad645090.patch";