Hi: On netbook platform( Eeepc 901; "Aspire One + Omiz Bluetooth dongle"), when using bluez, such as paring, l2ping and rfcomm, kernel crashes easily. I am using kernel 2.6.29. I caught below crash messag: BUG: spinlock bad magic on CPU#0, swapper/0 Bug: unable to handle kernel paging request at 00646733 IP:[<c0508736>] spin_bug+0x5a/0x87 *pdpt = 0000000000a1b001 *pde = 0000000000000000 Oops: 0000 [#1] PREEMPT smp last sysfs file: /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/bluetooth/hci0/hci0/hci0:42/type ... EIP is at spin_bug+0x5a/0x87 ... Call Trace: [c......]? _raw_spin_lock+0x1e/ox11c [c......]? spin_unlock_irqrestore+0x22/0x25 [c......]?_spin_lock_irqsave+0x17/0x1c [c......]skb_dequeue+0-x2a/0x94 [c......]skb_queue_purge+0x14/0x1b [c......]hci_conn_del+0x10e/0x115 [c......]hci_event_packet+0x620/0x29b7 [c......]enqueue_task_fair+0xxxx/0xxxx [c......]_spin_unlock_irqresotre+0xxxx/0xxxx [c......]try_to_wake_up+0xxxx/0xxxx [c......]default_wake_function+0xxxx/0xxxx [c......]pollwake+0xxxx/0xxxx [c......]default_wake_function+0xxxx/0xxxx [c......]wake_up_common+0xxxx/0xxxx [c......]spin_unlock_irqrestore+0xxxx/0xxxx [c......]__wake_up_sync+0xxxx/0xxxx [c......]_read_unlock+0xxxx/0xxxx [c......]sock_def_readable+0xxxx/0xxxx [c......]sock_queue_rcv_skb+0xxxx/0xxxx [c......]_read_unlock+0xxxx/0xxxx [c......]hci_send_to_socket+0xxxx/0xxxx [c......]hci_rx_task+0xxxx/0xxxx [c......]tasklet_action+0xxxx/0xxxx [c......]__do_softirq+0xxxx/0xxxx [c......]do_softirq+0xxxx/0xxxx [c......]irq_exit+0xxxx/0xxxx [c......]do_IRQ+0xxxx/0xxxx [c......]connmon_interrupt+0xxxx/0xxxx [c......]acpi_idle_enter_bm+0xxxx/0xxxx [c......]cpuidle_dile_call+0xxxx/0xxxx [c......]cpu_idle+0xxxx/0xxxx [c......]rest_init+0xxxx/0xxxx Also see moblin bug: https://bugzilla.moblin.org/show_bug.cgi?id=1919 Executing l2ping from netbook caused the system hang https://bugzilla.moblin.org/show_bug.cgi?id=2006 The user can't use bluetooth function sometimes https://bugzilla.moblin.org/show_bug.cgi?id=1543 A issue in rfcomm connection -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
