On 02.12.11 21:48:20, Markus Trippelsdorf wrote: > BTW I always see (mostly only on screen, sometimes in the logs): > > [Firmware Bug]: cpu 2, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu > [Firmware Bug]: cpu 2, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100) > [Firmware Bug]: using offset 1 for IBS interrupts > [Firmware Bug]: workaround enabled for IBS LVT offset > perf: AMD IBS detected (0x0000001f) > > But I hope that it is only a harmless warning. > (perf Instruction-Based Sampling) Yes, the message always apears on AMD family 10h. Nothing to worry about. A patch is on the way to soften the message to not scare the people: http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=16e5294e5f8303756a179cf218e37dfb9ed34417 -Robert -- Advanced Micro Devices, Inc. Operating System Research Center -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>