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[console speed] lock console speed to start up speed #2222

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Merged
lguohan merged 1 commit into from
Nov 1, 2018
Merged

[console speed] lock console speed to start up speed #2222

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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 @@ -85,6 +85,19 @@ update_mgmt_interface_macaddr() {
sed -i "/eth0/ s/ATTR{address}==\"$old_mac\"/ATTR{address}==\"$new_mac\"/g" /etc/udev/rules.d/70-persistent-net.rules
}

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/[email protected]
systemctl daemon-reload
}

# If the machine.conf is absent, it indicates that the unit booted
# into SONiC from another NOS. Extract the machine.conf from ONIE.
if [ ! -e /host/machine.conf ]; then
Expand Down Expand Up @@ -185,6 +198,8 @@ done

eval sonic_version=$(cat /etc/sonic/sonic_version.yml | grep build_version | cut -f2 -d" ")

program_console_speed

if [ -f /host/image-$sonic_version/platform/firsttime ]; then

if [ -n "$aboot_platform" ]; then
Expand Down