From 511d690eb519ad95b9751785e20dceb02b8aac42 Mon Sep 17 00:00:00 2001 From: thomas Date: Wed, 20 Oct 2021 17:33:45 +0200 Subject: [PATCH] crashkernel/mxgrub: enable crashkernel only on servers Size limiting (64G-:256M) is explained in the kernel docs -> admin-guide/kdump/kdump.rst (Extended crashkernel syntax) The memory occupied can be checked with: #> cat /sys/kernel/kexec_crash_size --- mxgrub/mxgrub | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mxgrub/mxgrub b/mxgrub/mxgrub index d9de920..4d3a58f 100755 --- a/mxgrub/mxgrub +++ b/mxgrub/mxgrub @@ -240,7 +240,7 @@ sub scan_mariux { } } -our $KERNEL_PARAMETER="ro crashkernel=256M console=ttyS0,115200n8 console=tty0 init=/bin/systemd audit=0 random.trust_cpu=on"; +our $KERNEL_PARAMETER="ro crashkernel=64G-:256M console=ttyS0,115200n8 console=tty0 init=/bin/systemd audit=0 random.trust_cpu=on"; sub update_grub_cfg { my $kernellist='';