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earlykdump: warn when installed kernel version differs from dracut target

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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