File kdump-remove-console-hvc0-from-commandline.patch of Package kdump.21347

From: Olaf Hering <>
Date: Tue, 10 Nov 2020 20:06:23 +0100
Subject: remove console=hvc0 from commandline
References: bsc#1173914
Upstream: merged
Git-commit: fbb4d67a706c9e401272b65fa615da6b04263e5f

If kdump is prepared in a dom0, the dom0 kernel cmdline is used
verbatim for the kdump kernel, modulo known-to-be-bad options.
As a result 'console=hvc0' is passed to the kdump kernel.
In a native environment this option causes the kdump kernel to hang,
the system never comes back.

Remove it from the kdump cmdline to make sure the kdump kernel boots.

Signed-off-by: Olaf Hering <>
 init/ |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/init/
+++ b/init/
@@ -83,7 +83,7 @@ function build_kdump_commandline()
             test -n "$boot_apicid" && \
 		commandline="$commandline disable_cpu_apicid=$boot_apicid"
             commandline=$(echo "$commandline" |
-                remove_from_commandline 'unknown_nmi_panic|notsc')
+                remove_from_commandline 'unknown_nmi_panic|notsc|console=hvc0')
 	    commandline="$commandline zfcp.allow_lun_scan=0"
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