Hardware/Microsoft/Surface Go 2: Difference between revisions
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(Add LTE modem workaround) |
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} | } | ||
</syntaxhighlight>After that rebuild your system and reboot the machine. | </syntaxhighlight>After that rebuild your system and reboot the machine. | ||
If the LTE modem does not appear in your network manager directly, a small workaround script is required. Add this to your system configuration<syntaxhighlight lang="nix"> | |||
systemd.services.lte_modem_fix = let | |||
modemFixScript = pkgs.writeScriptBin "fix_lte_modem" '' | |||
#!${pkgs.stdenv.shell} | |||
echo -n 16383 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/rx_max | |||
echo -n 16383 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/tx_max | |||
echo -n 16384 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/rx_max | |||
echo -n 16384 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/tx_max | |||
''; | |||
in { | |||
wantedBy = ["multi-user.target"]; | |||
serviceConfig = { | |||
Type = "oneshot"; | |||
ExecStart = "${modemFixScript}/bin/fix_lte_modem"; | |||
}; | |||
}; | |||
systemd.services.ModemManager.wantedBy = ["multi-user.target"]; | |||
</syntaxhighlight> | |||