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sonic-buildimage/files/image_config/kdump/kdump-tools

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kdump: Add default kdump command line arguments (#6180) The default /etc/default/kdump-tools file provided by the kdump-tools package doesn't set a value for KDUMP_CMDLINE_APPEND. The default kdump command line arguments need to be set in order to extend them to use additional arguments required for SONiC platforms. Signed-off-by: Rajendra Dendukuri <rajendra.dendukuri@broadcom.com>
2020-12-15 10:52:23 -06:00
# Default configuration
KDUMP_CMDLINE_APPEND="irqpoll nr_cpus=1 nousb systemd.unit=kdump-tools.service ata_piix.prefer_ms_hyperv=0"
[kdump]: Kdump usability and reliability improvements (#6113) - Allow platform specific reboot script to be called after crash kernel has finished copying the kernel vmcore - Disable pcie advanced features when running crash kernel. This improves reliability of the crash kernel to successfully create a vmcore and also reboot - Allow crash kernel to reboot if a panic is seen while it is generating a vmcore - Fix crash kernel to use the SONiC specific /usr/local/bin/reboot script instead of the Linux reboot command /sbin/reboot - Use sonic_platform as the kernel command line parameter to pass platform identifier string Signed-off-by: Rajendra Dendukuri <rajendra.dendukuri@broadcom.com>
2020-12-10 03:32:37 -06:00
# ---------------------------------------------------------------------------
# Additional Kdump environment settings used in SONiC
#
# Reboot crash kernel on panic
# Enable debug level logging of crash kernel for better visibility
# 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] Fix kdump error message when a reboot is issued (#7985) dash doesn't support += operation to append to a variable's value. Use KDUMP_CMDLINE_APPEND="${KDUMP_CMDLINE_APPEND} " instead The below error message is seen when a reboot is issued. [ 342.439096] kdump-tools[13655]: /etc/init.d/kdump-tools: 117: /etc/default/kdump-tools: KDUMP_CMDLINE_APPEND+= panic=10 debug hpet=disable pcie_port=compat pci=nommconf sonic_platform=x86_64-accton_as7326_56x-r0: not found
2021-07-01 13:52:38 -05:00
KDUMP_CMDLINE_APPEND="${KDUMP_CMDLINE_APPEND} panic=10 debug hpet=disable pcie_port=compat pci=nommconf sonic_platform=__PLATFORM__"
[kdump]: Kdump usability and reliability improvements (#6113) - Allow platform specific reboot script to be called after crash kernel has finished copying the kernel vmcore - Disable pcie advanced features when running crash kernel. This improves reliability of the crash kernel to successfully create a vmcore and also reboot - Allow crash kernel to reboot if a panic is seen while it is generating a vmcore - Fix crash kernel to use the SONiC specific /usr/local/bin/reboot script instead of the Linux reboot command /sbin/reboot - Use sonic_platform as the kernel command line parameter to pass platform identifier string Signed-off-by: Rajendra Dendukuri <rajendra.dendukuri@broadcom.com>
2020-12-10 03:32:37 -06:00
# Use SONiC reboot wrapper script present in /usr/local/bin post kdump
PATH=/usr/local/bin:$PATH
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