On Thu, May 10, 2012 at 10:44 AM, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote: > On Thu, 2012-05-10 at 10:30 -0700, Yinghai Lu wrote: >> not sure if this one or other is related.... >> >> got this from 8 socket Nehalem-ex box. >> >> [ 25.549259] mtrr_aps_init() done >> [ 25.554298] ------------[ cut here ]------------ >> [ 25.554549] WARNING: at kernel/sched/core.c:6086 build_sched_domains+0x1a9/0x2d0() > > oops,.. could you get me the output of: > > cat /sys/devices/system/node/node*/distance > > for that machine? I'll see if I can reproduce using numa=fake. [ 0.000000] ACPI: SLIT: nodes = 8 [ 0.000000] 10 15 20 15 15 20 20 20 [ 0.000000] 15 10 15 20 20 15 20 20 [ 0.000000] 20 15 10 15 20 20 15 20 [ 0.000000] 15 20 15 10 20 20 20 15 [ 0.000000] 15 20 20 20 10 15 15 20 [ 0.000000] 20 15 20 20 15 10 20 15 [ 0.000000] 20 20 15 20 15 20 10 15 [ 0.000000] 20 20 20 15 20 15 15 10 [root@yhlu-pc2 ~]# cat /sys/devices/system/node/node*/distance 10 15 15 20 15 20 20 20 15 10 20 15 20 15 20 20 15 20 10 15 20 20 15 20 20 15 15 10 20 20 20 15 15 20 20 20 10 15 20 15 20 15 20 20 15 10 15 20 20 20 15 20 20 15 10 15 20 20 20 15 15 20 15 10 -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html