Hello, I booted kernel with cgroup_disable=cpu and get this warning: [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.3.0-rc2-next-20150923 no_timer_check console=ttyS0,115200n8 root=UUID=01bc7316-b1f4-45c9-a23a-0 [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/jump_label.c:99 static_key_slow_dec+0x44/0x60() [ 0.000000] static_key_slow_dec used before call to jump_label_init [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.3.0-rc2-next-20150924 #1 [ 0.000000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] 0000000000000000 ebd8af5cfcdffb28 ffffffff81c03da8 ffffffff813b18c2 [ 0.000000] ffffffff81c03df0 ffffffff81c03de0 ffffffff8108dd52 ffffffff81c5bad0 [ 0.000000] ffff88003ffe663a ffffffff81c49a00 0000000000000001 ffff88003ffe662b [ 0.000000] Call Trace: [ 0.000000] [<ffffffff813b18c2>] dump_stack+0x44/0x62 [ 0.000000] [<ffffffff8108dd52>] warn_slowpath_common+0x82/0xc0 [ 0.000000] [<ffffffff8108ddec>] warn_slowpath_fmt+0x5c/0x80 [ 0.000000] [<ffffffff8119c054>] static_key_slow_dec+0x44/0x60 [ 0.000000] [<ffffffff81d826b6>] cgroup_disable+0xaf/0xd6 [ 0.000000] [<ffffffff81d5f9de>] unknown_bootoption+0x8c/0x194 [ 0.000000] [<ffffffff810b0c03>] parse_args+0x273/0x4a0 [ 0.000000] [<ffffffff8119d592>] ? printk+0x57/0x73 [ 0.000000] [<ffffffff81d5fd67>] start_kernel+0x205/0x4b8 [ 0.000000] [<ffffffff81d5f952>] ? set_init_arg+0x55/0x55 [ 0.000000] [<ffffffff81d5f120>] ? early_idt_handler_array+0x120/0x120 [ 0.000000] [<ffffffff81d5f315>] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [<ffffffff81d5f461>] x86_64_start_kernel+0x14a/0x16d [ 0.000000] ---[ end trace 8a774ae3ff020690 ]--- Thanks, Andrew -- 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
