Re: [PATCH] Kdump docs.
From: Vivek Goyal
Date: Fri Apr 29 2005 - 00:08:54 EST
> + A) First kernel:
> + a) Enable "kexec system call" feature (in Processor type and features).
> + CONFIG_KEXEC=y
> + b) This kernel's physical load address should be the default value of
> + 0x100000 (0x100000, 1 MB) (in Processor type and features).
> + CONFIG_PHYSICAL_START=0x100000
> + c) Enable "sysfs file system support" (in Pseudo filesystems).
> + CONFIG_SYSFS=y
> + d) Boot into first kernel with the command line parameter "crashkernel=Y@X".
> + Use appropriate values for X and Y. Y denotes how much memory to reserve
> + for the second kernel, and X denotes at what physical address the reserved
> + memory section starts. For example: "crashkernel=64M@16M".
> + B) Second kernel:
> + a) Enable "kernel crash dumps" feature (in Processor type and features).
> + CONFIG_CRASH_DUMP=y
> + b) Specify a suitable value for "Physical address where the kernel is
> + loaded" (in Processor type and features). Typically this value
> + should be same as X (See option b) above, e.g., 16 MB or 0x1000000.
Should above line be as follows.
"should be same as X (See option d) above."
This will make clear what is X and what should be the new value of
Thanks for testing out and providing a clearer documentation.
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