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* Stephane Eranian (eranian@hpl.hp.com) wrote: > * allocate_msrs() allocates two tables per CPU. One for the > counters, the other for the eventsel registers. But then > nmi_setup() copies the cpu_msrs[0] into cpu_msrs[] of all > other cpus. This operation overrides the cpu_msrs[].counters > and cpu_msrs[].controls pointers for all CPUs but CPU0. > But free_msrs() will free the same tables multiple times. This > causes a kernel dump when you enable certain kernel debugging > features. The fix is to copy the content of the counters and > controls array, not the pointers. This is fixed in 2.6.22-rc4 in commit 0939c17c7bcf1c838bea4445b80a6966809a438f thanks, -chris - 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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