From 39fe00ef600879279f01289007433bd7f9b84dd9 Mon Sep 17 00:00:00 2001 From: Harald Hoyer Date: Thu, 22 Aug 2013 09:39:38 +0200 Subject: [PATCH] dracut.asc: document debugging dracut on shutdown --- dracut.asc | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/dracut.asc b/dracut.asc index e0431dc..c011658 100644 --- a/dracut.asc +++ b/dracut.asc @@ -744,6 +744,23 @@ the dracut shell ==== Additional dracut boot parameters For more debugging options, see <> in <>. + +[[debugging-dracut-on-shutdown]] +==== Debugging dracut on shutdown + +To debug the shutdown sequence on systemd systems, you can _rd.break_ +on _pre-shutdown_ or _shutdown_. + +To do this from an already booted system: +---- +# mkdir -p /run/initramfs/etc/cmdline.d +# echo "rd.break=pre-shutdown" > /run/initramfs/etc/cmdline.d/debug.conf +# touch /run/initramfs/.need_shutdown +---- + +This will give you a dracut shell after the system pivot'ed back in the initramfs. + + = Developer Manual == dracut Components