Hello, On 2010-04-04 11:14, Udo van den Heuvel wrote: > 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 > I also see this one happing in 2.6.33.1-rt1 in between a number of the BUGs I mentioned up on this page: # BUG: scheduling while atomic: md1_raid5/0x00000001/1507, CPU#2 # Modules linked in: radeon ttm drm_kms_helper drm fb i2c_algo_bit cfbcopyarea cfbimgblt cfbfillrect nfsd nfs_acl exportfs eeprom it87 hwmon_vid lockd sunrpc cpufreq_ondemand powernow_k8 ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables nf_conntrack_netbios_ns ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 microcode binfmt_misc ext4 jbd2 crc16 snd_hda_codec_realtek snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 snd_ac97_codec ac97_bus snd_i2c snd_mpu401_uart snd_hda_intel snd_hda_codec snd_seq snd_rawmidi snd_pcm snd_seq_device snd_timer i2c_nforce2 ppdev snd ehci_hcd parport_pc ohci1394 ohci_hcd parport ieee1394 sg snd_page_alloc evdev k10temp button floppy [last unloaded: scsi_wait_scan] # Pid: 1507, comm: md1_raid5 Not tainted 2.6.33.1-rt11 #1 # Call Trace: # [<ffffffff8138da5a>] ? __schedule+0x38a/0x920 # [<ffffffff8138fb8c>] ? rt_spin_lock+0x2c/0x70 # [<ffffffff8138fe30>] ? _raw_spin_unlock+0x10/0x40 # [<ffffffff8106a54f>] ? task_blocks_on_rt_mutex+0x17f/0x1e0 # [<ffffffff8138e110>] ? schedule+0x10/0x20 # [<ffffffff8138f22f>] ? rt_spin_lock_slowlock+0x1ef/0x2c0 # [<ffffffff812bcf38>] ? release_stripe+0x28/0x50 # [<ffffffff81196d4e>] ? async_xor+0x13e/0x170 # [<ffffffff812bee4a>] ? __raid_run_ops+0x48a/0xc60 # [<ffffffff812bd140>] ? ops_complete_reconstruct+0x0/0xa0 # [<ffffffff812c0ccd>] ? handle_stripe+0x6bd/0x1a70 # [<ffffffff812c23f6>] ? raid5d+0x376/0x4f0 # [<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 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