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[console] use fixed console baud rate #1734

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merged 1 commit into from
Nov 1, 2018
Merged

[console] use fixed console baud rate #1734

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15 changes: 15 additions & 0 deletions files/image_config/platform/rc.local
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Original file line number Diff line number Diff line change
Expand Up @@ -128,6 +128,19 @@ process_reboot_cause() {
echo "Unexpected reboot" > $REBOOT_CAUSE_FILE
}

program_console_speed()
{
speed=$(cat /proc/cmdline | grep -Eo 'console=ttyS[0-9]+,[0-9]+' | cut -d "," -f2)
if [ -z "$speed" ]; then
CONSOLE_SPEED=9600
else
CONSOLE_SPEED=$speed
fi

sed -i "s|\-\-keep\-baud .* %I| $CONSOLE_SPEED %I|g" /lib/systemd/system/serial-getty@.service
systemctl daemon-reload
}

#### Begin Main Body ####

# Set up previous and next reboot cause files
Expand Down Expand Up @@ -209,6 +222,8 @@ fi

. /host/machine.conf

program_console_speed

if [ -f $FIRST_BOOT_FILE ]; then

echo "First boot detected. Performing first boot tasks..."
Expand Down