Hi, Pratyush
[snip]
> diff --git a/modules.d/04watchdog/module-setup.sh b/modules.d/04watchdog/module-setup.sh
> index 7ec757aec032..6232afb0d9ca 100755
> --- a/modules.d/04watchdog/module-setup.sh
> +++ b/modules.d/04watchdog/module-setup.sh
> @@ -32,3 +32,36 @@ install() {
> inst_multiple -o wdctl
> }
>
> +installkernel() {
> + cd /sys/class/watchdog
> + for dir in */; do
> + cd $dir
> + active=`[ -f state ] && cat state`
> + if [ "$active" = "active" ]; then
> + # applications like kdump need to know that, which
> + # watchdog modules have been added into initramfs
> + echo `cat identity` >> "$initdir/tmp/active-watchdogs"
> + # device/modalias will return driver of this device
> + wdtdrv=`cat device/modalias`
> + # There can be more than one module represented by same
> + # modalias. Currently load all of them.
> + # TODO: Need to find a way to avoid any unwanted module
> + # represented by modalias
> + wdtdrv=`modprobe -R $wdtdrv | tr "\n" "," | sed 's/.$//'`
> + instmods $wdtdrv
> + # however in some cases, we also need to check that if
> + # there is a specific driver for the parent bus/device.
> + # In such cases we also need to enable driver for parent
> + # bus/device.
> + wdtppath="device/..";
> + while [ -f "$wdtppath/modalias" ]
> + do
> + wdtpdrv=`cat $wdtppath/modalias`
> + wdtpdrv=`modprobe -R $wdtpdrv | tr "\n" "," | sed 's/.$//'`
> + instmods $wdtpdrv
> + wdtppath="$wdtppath/.."
> + done
> + fi
> + cd ..
> + done
> +}
Another thing coming into mind is it possible more than one wdt being active
at the same time? If so it will cause problem because only the first occupies
/dev/watchdog device for systemd use?
How about just break the loop when we find an active wdt? Is it safe?
Thanks
Dave
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