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crash_kernel_args
2008 Aug 11
0
[patch] kexec and kdump documentation for xen
...0-00bfffff : Hypervisor code and data
+ 0533f000-0733efff : Crash kernel
+ ...
+
+
+1. Load
+-------
+
+Once you are running in a kexec-enabled hypervisor and dom0,
+you can prepare to kdump by loading the crash kernel into the
+running kernel.
+
+ kexec -p CRASH_KERNEL_IMAGE --append "$CRASH_KERNEL_ARGS" KEXEC_ARGS
+
+ where:
+ CRASH_KERNEL_IMAGE: the crash kernel image
+ CRASH_KERNEL_ARGS: command line arguments to the crash kernel
+ init 1 is strongly recommended
+ irqpoll is strongly recommended
+ maxcpus=1 is required if the crash kernel is SMP
+ re...