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Set loglevel for crash kernel to reduce verbosity and improve overall router recovery time #18285

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Merged
StormLiangMS merged 1 commit into from
Mar 13, 2024
Merged

Set loglevel for crash kernel to reduce verbosity and improve overall router recovery time #18285

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3 changes: 2 additions & 1 deletion files/image_config/kdump/kdump-tools
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Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,11 @@ KDUMP_CMDLINE_APPEND="irqpoll nr_cpus=1 nousb systemd.unit=kdump-tools.service a

# Reboot crash kernel on panic
# Enable debug level logging of crash kernel for better visibility
# Set loglevel to reduce verbosity and print only warning conditions
# Disable advanced pcie features
# Disable high precision event timer as on some platforms it is interfering with the kdump operation
# Pass platform identifier string as part of crash kernel command line to be used by the reboot script during kdump
KDUMP_CMDLINE_APPEND="${KDUMP_CMDLINE_APPEND} panic=10 debug hpet=disable pcie_port=compat pci=nommconf sonic_platform=__PLATFORM__"
KDUMP_CMDLINE_APPEND="${KDUMP_CMDLINE_APPEND} panic=10 debug loglevel=4 hpet=disable pcie_port=compat pci=nommconf sonic_platform=__PLATFORM__"

# Use SONiC reboot wrapper script present in /usr/local/bin post kdump
PATH=/usr/local/bin:$PATH