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kdump, remove panic_on_warn from 2nd kernel cmdline

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With the inclusion of 'panic_on_warn',

     http://marc.info/?l=linux-api&m=141570937328528&w=2

and which is now staged in Andrew Morton's tree, we need to remove
'panic_on_warn' from the 2nd kernel's cmdline.  If it is included it is
possible a non-fatal warning could panic the second kernel.

Before:

[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.10.0+
root=/dev/mapper/rhel_intel--canoepass--05-root ro
rd.lvm.lv=rhel_intel-canoepass-05/root
rd.lvm.lv=rhel_intel-canoepass-05/swap console=ttyS0,115200n81
LANG=en_US.UTF-8 systemd.debug panic_on_warn=1 irqpoll nr_cpus=1
reset_devices cgroup_disable=memory mce=off numa=off udev.children-max=2
panic=10 rootflags=nofail acpi_no_memhotplug disable_cpu_apicid=0
elfcorehdr=839092K

After:

[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.10.0+
root=/dev/mapper/rhel_intel--canoepass--05-root ro
rd.lvm.lv=rhel_intel-canoepass-05/root
rd.lvm.lv=rhel_intel-canoepass-05/swap console=ttyS0,115200n81
LANG=en_US.UTF-8 systemd.debug irqpoll nr_cpus=1 reset_devices
cgroup_disable=memory mce=off numa=off udev.children-max=2 panic=10
rootflags=nofail acpi_no_memhotplug disable_cpu_apicid=0
elfcorehdr=839092K

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
Prarit Bhargava 2014-11-17 11:13:50 -05:00 committed by WANG Chao
parent 80238ade18
commit 7d8be97b64
1 changed files with 1 additions and 1 deletions
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2
kdumpctl
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@ -105,7 +105,7 @@ prepare_cmdline()
else else
cmdline=${KDUMP_COMMANDLINE} cmdline=${KDUMP_COMMANDLINE}
fi fi
cmdline=`remove_cmdline_param "$cmdline" crashkernel hugepages hugepagesz` cmdline=`remove_cmdline_param "$cmdline" crashkernel hugepages hugepagesz panic_on_warn`
cmdline="${cmdline} ${KDUMP_COMMANDLINE_APPEND}" cmdline="${cmdline} ${KDUMP_COMMANDLINE_APPEND}"