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earlykdump: warn when installed kernel version differs from dracut target 

Previously we handled the case when the installed kernel version for
early kdump is different from dracut target, it will be better to
print a warning even if installation successed, to let the user know
that an different kernel is used.

No warn message will be given if the user specified a KDUMP_KERNELVER
value, as in such case a different kernel version is used on purpose.

Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
This commit is contained in:
Kairui Song 2019-01-10 16:24:44 +08:00
parent d45da38dca
commit 8c8dc9d641
1 changed files with 4 additions and 0 deletions
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4
dracut-early-kdump-module-setup.sh
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@ -24,6 +24,10 @@ prepare_kernel_initrd() {
KDUMP_BOOTDIR=$(check_boot_dir "${KDUMP_BOOTDIR}")
if [ -z "$KDUMP_KERNELVER" ]; then
kdump_kver=`uname -r`
if [ "$kernel" != "$kdump_kver" ]; then
dwarn "Using current kernel version '$kdump_kver' for early kdump," \
"but the initramfs is generated for kernel version '$kernel'"
fi
else
kdump_kver=$KDUMP_KERNELVER
fi