OK, it crashed on one of my tests. I removed the patch and it boots fine, and crashes when I add it back.
Here's the crash: Running tests on all trace events: Testing all events: OK Testing ftrace filter: OK trace_kprobe: Testing kprobe tracing: BUG: unable to handle kernel paging request at ffff880214f5c000 IP: new_slab+0x1e8/0x2b4 PGD 338c067 P4D 338c067 PUD 338f067 PMD 212022063 PTE 8000000214f5c161 Oops: 0003 [#1] SMP Modules linked in: CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.12.0-rc2-test+ #42 Hardware name: MSI MS-7823/CSM-H87M-G43 (MS-7823), BIOS V1.6 02/22/2014 task: ffff8802153a8000 task.stack: ffffc90000c74000 RIP: 0010:new_slab+0x1e8/0x2b4 RSP: 0000:ffffc90000c77b28 EFLAGS: 00010282 RAX: 0000000040040000 RBX: ffff880216003f00 RCX: ffff880214f5c058 RDX: 0000000000000000 RSI: ffff880214f5c000 RDI: ffff880216003f00 RBP: ffffc90000c77b70 R08: 000000000000002a R09: 0000000000000000 R10: 00000000000201e2 R11: 0000000000020190 R12: ffff880214f5c000 R13: 000000000000002e R14: 0000000000000001 R15: ffffea000853d700 FS: 0000000000000000(0000) GS:ffff88021eb80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff880214f5c000 CR3: 000000000221d000 CR4: 00000000001406e0 Call Trace: ? interleave_nodes+0x29/0x40 ___slab_alloc+0x2e8/0x49e ? trace_create_new_event+0x1f/0x63 ? trace_add_event_call+0x27/0x91 ? mark_lock+0x24/0x1ec ? trace_create_new_event+0x1f/0x63 __slab_alloc+0x46/0x6b ? __slab_alloc+0x46/0x6b ? trace_create_new_event+0x1f/0x63 kmem_cache_alloc+0x59/0x1b2 trace_create_new_event+0x1f/0x63 __trace_add_new_event+0xd/0x29 trace_add_event_call+0x66/0x91 create_trace_kprobe+0x722/0x7f5 ? argv_split+0x6c/0xce ? probes_open+0x3b/0x3b ? set_debug_rodata+0x17/0x17 traceprobe_command+0x42/0x57 kprobe_trace_self_tests_init+0x3c/0x338 ? kprobe_trace_selftest_target+0x13/0x13 ? set_debug_rodata+0x17/0x17 do_one_initcall+0x90/0x131 ? set_debug_rodata+0x17/0x17 kernel_init_freeable+0x1f4/0x27c ? rest_init+0x12d/0x12d kernel_init+0xe/0xfa ret_from_fork+0x2e/0x40 Code: ff ff 48 8b 53 48 48 85 d2 74 05 4c 89 e7 ff d2 66 41 8b 57 1a 81 e2 ff 7f 00 00 44 39 f2 48 63 53 20 7e 0d 48 63 4b 18 4c 01 e1 <49> 89 0c 14 eb 08 49 c7 04 14 00 00 00 00 48 63 53 18 41 ff c6 RIP: new_slab+0x1e8/0x2b4 RSP: ffffc90000c77b28 CR2: ffff880214f5c000 ---[ end trace e8a2200699d40525 ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 Kernel Offset: disabled ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 sched: Unexpected reschedule of offline CPU#1! ------------[ cut here ]------------ WARNING: CPU: 3 PID: 1 at /work/git/linux-trace.git/arch/x86/kernel/smp.c:128 native_smp_send_reschedule+0x23/0x3b Modules linked in: CPU: 3 PID: 1 Comm: swapper/0 Tainted: G D 4.12.0-rc2-test+ #42 Hardware name: MSI MS-7823/CSM-H87M-G43 (MS-7823), BIOS V1.6 02/22/2014 task: ffff8802153a8000 task.stack: ffffc90000c74000 RIP: 0010:native_smp_send_reschedule+0x23/0x3b RSP: 0000:ffff88021eb83e60 EFLAGS: 00010086 RAX: 000000000000002e RBX: 0000000000000001 RCX: ffff8802153a8000 RDX: ffffffff8226ba60 RSI: ffffffff8109ff35 RDI: ffffffff8108e779 RBP: ffff88021eb83e60 R08: 0000000000000001 R09: 0000000000000001 R10: ffff88021eb83de8 R11: ffffffff832b238c R12: 0000000000000003 R13: 0000000000000003 R14: ffff880216002270 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88021eb80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff880214f5c000 CR3: 000000000221d000 CR4: 00000000001406e0 Call Trace: <IRQ> trigger_load_balance+0x2dc/0x2e5 scheduler_tick+0x92/0x9b update_process_times+0x47/0x54 tick_sched_handle+0x44/0x53 tick_sched_timer+0x39/0x5f __hrtimer_run_queues+0x141/0x2c8 ? tick_sched_do_timer+0x2e/0x2e hrtimer_interrupt+0x6c/0x12e local_apic_timer_interrupt+0x4b/0x4e smp_apic_timer_interrupt+0x29/0x39 apic_timer_interrupt+0x90/0xa0 RIP: 0010:panic+0x1e1/0x21f RSP: 0000:ffffc90000c77e70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 00000003810a049e RBX: 0000000000000000 RCX: ffff8802153a8000 RDX: ffffc90000c77e00 RSI: ffffffff81133f1a RDI: ffffffff81091058 RBP: ffffc90000c77ee0 R08: 0000000000000001 R09: 0000000000000001 R10: ffffc90000c77d78 R11: ffffffff8265a60a R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000009 </IRQ> ? panic+0x1de/0x21f ? trace_hardirqs_on+0xd/0xf do_exit+0x568/0xa40 rewind_stack_do_exit+0x17/0x20 Code: ff 90 a0 00 00 00 5d c3 0f 1f 44 00 00 55 89 f8 48 89 e5 48 0f a3 05 ec 05 41 01 72 12 89 fe 48 c7 c7 5d 0b fe 81 e8 7a 2a 10 00 <0f> ff eb 12 48 8b 05 31 62 0e 01 be fd 00 00 00 ff 90 a0 00 00 ---[ end trace e8a2200699d40526 ]--- I attached the config. I don't currently have time to look deeper into it. But I should have some time later today. -- Steve
config.gz
Description: application/gzip