Add announcement about that "crashkernel=auto" is not supported on debug
kernel.
Signed-off-by: Tong Li <tonli(a)redhat.com>
---
kexec-kdump-howto.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kexec-kdump-howto.txt b/kexec-kdump-howto.txt
index f46563f..7c7cf85 100644
--- a/kexec-kdump-howto.txt
+++ b/kexec-kdump-howto.txt
@@ -73,6 +73,10 @@ And based on arch and system configuration, one might require more than
128M to
be reserved for kdump. One need to experiment and test kdump, if 128M is not
sufficient, try reserving more memory.
+Note: Since a lot of debug options are enabled, a debug kernel consumes much
+more memory than a normal one does. So "crashkernel=auto" is not supported on
+debug kernel.
+
# grubby --args="crashkernel=128M" --update-kernel=/boot/vmlinuz-`uname -r`
Note that there is an alternative form in which to specify a crashkernel
--
2.7.4