Hello, I see a load of these after booting into 2.6.33.1-rt11: BUG: sleeping function called from invalid context at kernel/rtmutex.c:684 pcnt: 1 0 in_atomic(): 1, irqs_disabled(): 0, pid: 1507, name: md1_raid5 Pid: 1507, comm: md1_raid5 Not tainted 2.6.33.1-rt11 #1 Call Trace: [<ffffffff8138fb8c>] ? rt_spin_lock+0x2c/0x70 [<ffffffff812becc4>] ? __raid_run_ops+0x304/0xc60 [<ffffffff812c0ccd>] ? handle_stripe+0x6bd/0x1a70 [<ffffffff8104b460>] ? mod_timer+0x150/0x200 [<ffffffff812c23f6>] ? raid5d+0x376/0x4f0 [<ffffffff8138e5bd>] ? schedule_timeout+0x22d/0x2b0 [<ffffffff8138fb8c>] ? rt_spin_lock+0x2c/0x70 [<ffffffff812cd0f3>] ? md_thread+0x53/0x120 [<ffffffff810573a0>] ? autoremove_wake_function+0x0/0x30 [<ffffffff812cd0a0>] ? md_thread+0x0/0x120 [<ffffffff81057016>] ? kthread+0x96/0xa0 [<ffffffff81037908>] ? finish_task_switch+0x58/0xd0 [<ffffffff810032d4>] ? kernel_thread_helper+0x4/0x10 [<ffffffff81056f80>] ? kthread+0x0/0xa0 [<ffffffff810032d0>] ? kernel_thread_helper+0x0/0x10 As these appear to be touching my raid array I am quite eager to learn how I can fix the BUGs. Please have a look and explain. Kind regards, Udo -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html