Hi Tao,
There are other places where you need to replace "makedumpfile -l" with
"makedumpfile -z" as well,
$ grep "makedumpfile.* -l" *
dracut-kdump.sh:19:DEFAULT_CORE_COLLECTOR="makedumpfile -l --message-level 7 -d 31"
kdump.conf:71:# "makedumpfile -F -l --message-level 7 -d 31".
kdump.conf:73:# "makedumpfile -l --message-level 7 -d 31".
kdump.conf:181:core_collector makedumpfile -l --message-level 7 -d 31
kdump.conf.5:94:"makedumpfile -F -l --message-level 7 -d 31".
kdump.conf.5:96:"makedumpfile -l --message-level 7 -d 31".
kdump.conf.5:327:core_collector "makedumpfile -l --message-level 7 -d 31"
kdump.conf.5:331:makedumpfile -l --message-level 7 -d 31 /proc/vmcore <dest-path>/vmcore
kdump.conf.5:348:core_collector "makedumpfile -F -l --message-level 7 -d 31"
kdump.conf.5:352:makedumpfile -F -l --message-level 7 -d 31 | dd of=<target-device>
kdump.conf.5:364:core_collector "makedumpfile -F -l --message-level 7 -d 31"
kdump.conf.5:368:makedumpfile -F -l --message-level 7 -d 31 | ssh <options> <remote-location> "dd of=path/vmcore"
kexec-kdump-howto.txt:696:A typical setup is 'core_collector makedumpfile -F -l --message-level 7 -d 31',
kexec-kdump-howto.txt:716: core_collector "makedumpfile -l --message-level 7 -d 31"
kexec-kdump-howto.txt:720: makedumpfile -l --message-level 7 -d 31 /proc/vmcore <dest-path>/vmcore
kexec-kdump-howto.txt:739: core_collector "makedumpfile -F -l --message-level 7 -d 31"
kexec-kdump-howto.txt:743: makedumpfile -F -l --message-level 7 -d 31 | dd of=<target-device>
kexec-kdump-howto.txt:757: core_collector "makedumpfile -F -l --message-level 7 -d 31"
kexec-kdump-howto.txt:761: makedumpfile -F -l --message-level 7 -d 31 | ssh <options> <remote-location> "dd of=path/vmcore"
kexec-kdump-howto.txt:779:"makedumpfile -F -l --message-level 7 -d 31".
kexec-kdump-howto.txt:781:"makedumpfile -l --message-level 7 -d 31".
On Wed, Dec 22, 2021 at 02:03:30PM +0800, Tao Liu wrote:
>Currently zstd has been supported both for makedumpfile and crash
>utility. So let's use zstd as the default vmcore compression method
>instead of lzo.
>
>Signed-off-by: Tao Liu <ltao@redhat.com>
>---
> kdump.conf | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/kdump.conf b/kdump.conf
>index dea2e94..502730e 100644
>--- a/kdump.conf
>+++ b/kdump.conf
>@@ -171,7 +171,7 @@
> #ssh user@2001:db8::1:2:3:4
> #sshkey /root/.ssh/kdump_id_rsa
> path /var/crash
>-core_collector makedumpfile -l --message-level 7 -d 31
>+core_collector makedumpfile -z --message-level 7 -d 31
> #core_collector scp
> #kdump_post /var/crash/scripts/kdump-post.sh
> #kdump_pre /var/crash/scripts/kdump-pre.sh
>--
>2.33.1
>
--
Best regards,
Coiby
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