kdumpctl, fadump: only use lsinitrd when initramfs exists in fadump mode
When there's no kdump initramfs for lsinitrd to inspect with, there will be an error: # kdumpctl start /boot/initramfs-3.16.0-rc7+kdump.img does not exist Usage: lsinitrd [options] [<initramfs file> [<filename> [<filename> [...] ]]] Usage: lsinitrd [options] -k <kernel version> -h, --help print a help message and exit. -s, --size sort the contents of the initramfs by size. -m, --mod list modules. -f, --file <filename> print the contents of <filename>. -k, --kver <kernel version> inspect the initramfs of <kernel version>. No kdump initial ramdisk found. Rebuilding /boot/initramfs-3.16.0-rc7+kdump.img [..] In addition, lsinitrd is a slow operation. We only run it when it's fadump mode, to speed up in kdump mode. Signed-off-by: WANG Chao <chaowang@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com>
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kdumpctl
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kdumpctl
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@ -365,7 +365,9 @@ check_rebuild()
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done
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#check if target initrd has fadump support
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if [ "$DEFAULT_DUMP_MODE" = "fadump" ] && [ -f "$TARGET_INITRD" ]; then
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initramfs_has_fadump=`lsinitrd -m $TARGET_INITRD | grep ^kdumpbase$ | wc -l`
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fi
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if [ $image_time -eq 0 ]; then
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echo -n "No kdump initial ramdisk found."; echo
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