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Hi Randy, > + 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 CONFIG_PHYSICAL_START. Thanks for testing out and providing a clearer documentation. Thanks Vivek - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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