Hi, This bug should have been fixed by "[PATCH -next] cpuset: initialize cpuset a bit early": http://www.spinics.net/lists/cgroups/msg12599.html Thanks, Vladimir On Fri, Mar 06, 2015 at 01:57:58PM +0800, Fengguang Wu wrote: > [ 0.021989] ------------[ cut here ]------------ > [ 0.021989] ------------[ cut here ]------------ > [ 0.022816] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/cpu/common.c:1439 warn_pre_alternatives+0x25/0x2e() > [ 0.022816] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/cpu/common.c:1439 warn_pre_alternatives+0x25/0x2e() > [ 0.024000] You're using static_cpu_has before alternatives have run! > [ 0.024000] You're using static_cpu_has before alternatives have run! > [ 0.024000] Modules linked in: > [ 0.024000] Modules linked in: > > [ 0.024000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.0.0-rc1-00004-g295458e #455 > [ 0.024000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.0.0-rc1-00004-g295458e #455 > [ 0.024000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 > [ 0.024000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 > [ 0.024000] 0000000000000009 > [ 0.024000] 0000000000000009 ffffffff81e03cc8 ffffffff81e03cc8 ffffffff81674d02 ffffffff81674d02 ffffffff810ca88e ffffffff810ca88e > > [ 0.024000] ffffffff81e03d18 > [ 0.024000] ffffffff81e03d18 ffffffff81e03d08 ffffffff81e03d08 ffffffff81073d6f ffffffff81073d6f 0000000000000000 0000000000000000 > > [ 0.024000] ffffffff81018f79 > [ 0.024000] ffffffff81018f79 ffffffff81e03e38 ffffffff81e03e38 0000000000000000 0000000000000000 0000000000000002 0000000000000002 > > [ 0.024000] Call Trace: > [ 0.024000] Call Trace: > [ 0.024000] [<ffffffff81674d02>] dump_stack+0xa0/0xd5 > [ 0.024000] [<ffffffff81674d02>] dump_stack+0xa0/0xd5 > [ 0.024000] [<ffffffff810ca88e>] ? console_unlock+0x496/0x4ef > [ 0.024000] [<ffffffff810ca88e>] ? console_unlock+0x496/0x4ef > [ 0.024000] [<ffffffff81073d6f>] warn_slowpath_common+0xc8/0xf7 > [ 0.024000] [<ffffffff81073d6f>] warn_slowpath_common+0xc8/0xf7 > [ 0.024000] [<ffffffff81018f79>] ? warn_pre_alternatives+0x25/0x2e > [ 0.024000] [<ffffffff81018f79>] ? warn_pre_alternatives+0x25/0x2e > [ 0.024000] [<ffffffff81073e6a>] warn_slowpath_fmt+0x4f/0x58 > [ 0.024000] [<ffffffff81073e6a>] warn_slowpath_fmt+0x4f/0x58 > [ 0.024000] [<ffffffff81680f47>] ? native_iret+0x7/0x7 > [ 0.024000] [<ffffffff81680f47>] ? native_iret+0x7/0x7 > [ 0.024000] [<ffffffff81018f79>] warn_pre_alternatives+0x25/0x2e > [ 0.024000] [<ffffffff81018f79>] warn_pre_alternatives+0x25/0x2e > [ 0.024000] [<ffffffff81039306>] __do_page_fault+0x2b4/0x7c2 > [ 0.024000] [<ffffffff81039306>] __do_page_fault+0x2b4/0x7c2 > [ 0.024000] [<ffffffff81039852>] do_page_fault+0x3e/0x4a > [ 0.024000] [<ffffffff81039852>] do_page_fault+0x3e/0x4a > [ 0.024000] [<ffffffff81034109>] do_async_page_fault+0x3a/0xb9 > [ 0.024000] [<ffffffff81034109>] do_async_page_fault+0x3a/0xb9 > [ 0.024000] [<ffffffff81681a28>] async_page_fault+0x28/0x30 > [ 0.024000] [<ffffffff81681a28>] async_page_fault+0x28/0x30 > [ 0.024000] [<ffffffff8110d870>] ? cpumask_copy+0x2c/0x2f > [ 0.024000] [<ffffffff8110d870>] ? cpumask_copy+0x2c/0x2f > [ 0.024000] [<ffffffff8110e174>] ? cpuset_bind+0x5b/0xc4 > [ 0.024000] [<ffffffff8110e174>] ? cpuset_bind+0x5b/0xc4 > [ 0.024000] [<ffffffff8234d780>] cgroup_init+0x2fa/0x3d3 > [ 0.024000] [<ffffffff8234d780>] cgroup_init+0x2fa/0x3d3 > [ 0.024000] [<ffffffff8232f5fe>] start_kernel+0x6ed/0x755 > [ 0.024000] [<ffffffff8232f5fe>] start_kernel+0x6ed/0x755 > [ 0.024000] [<ffffffff8232e120>] ? early_idt_handlers+0x120/0x120 > [ 0.024000] [<ffffffff8232e120>] ? early_idt_handlers+0x120/0x120 > [ 0.024000] [<ffffffff8232e585>] x86_64_start_reservations+0x46/0x4f > [ 0.024000] [<ffffffff8232e585>] x86_64_start_reservations+0x46/0x4f > [ 0.024000] [<ffffffff8232e73e>] x86_64_start_kernel+0x1b0/0x1c6 > [ 0.024000] [<ffffffff8232e73e>] x86_64_start_kernel+0x1b0/0x1c6 > [ 0.024000] ---[ end trace 37d9a871c47a31bc ]--- > [ 0.024000] ---[ end trace 37d9a871c47a31bc ]--- -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
