Hi all, While fuzzing with trinity inside a KVM tools guest running the latest -next kernel I've stumbled on the following spew:
[ 358.852124] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/24:1/6824 [ 358.858753] caller is debug_smp_processor_id+0x17/0x20 [ 358.859777] CPU: 23 PID: 6824 Comm: kworker/24:1 Not tainted 3.15.0-rc4-next-2014050 8-sasha-00020-gec9304b-dirty #452 [ 358.862844] Workqueue: events wq_sync_buffer [ 358.863786] ffffffffa97d8801 ffff880585e05cd8 ffffffffa853ba9a 0000000000000002 [ 358.865500] 0000000000000017 ffff880585e05d08 ffffffffa5b41439 ffff8805871d3bc0 [ 358.866717] 0000000000000018 ffff8805871de000 0000000000000000 ffff880585e05d18 [ 358.868075] Call Trace: [ 358.868513] dump_stack (lib/dump_stack.c:52) [ 358.869319] check_preemption_disabled (arch/x86/include/asm/preempt.h:80 lib/smp_processor_id.c:49) [ 358.870679] debug_smp_processor_id (lib/smp_processor_id.c:57) [ 358.871906] wq_sync_buffer (arch/x86/oprofile/../../../drivers/oprofile/cpu_buffer.c:454) [ 358.872974] process_one_work (kernel/workqueue.c:2227 include/linux/jump_label.h:105 include/trace/events/workqueue.h:111 kernel/workqueue.c:2232) [ 358.873891] ? process_one_work (include/linux/workqueue.h:186 kernel/workqueue.c:611 kernel/workqueue.c:638 kernel/workqueue.c:2220) [ 358.874796] worker_thread (kernel/workqueue.c:2354) [ 358.875830] ? rescuer_thread (kernel/workqueue.c:2303) [ 358.876948] kthread (kernel/kthread.c:210) [ 358.878202] ? kthread_create_on_node (kernel/kthread.c:176) [ 358.879523] ret_from_fork (arch/x86/kernel/entry_64.S:553) [ 358.880744] ? kthread_create_on_node (kernel/kthread.c:176) Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
