[Voyage-linux] Problem with an USB UMTS modem

[Darshaka Pathirana]

Hi!

On 31.07.2009 12:20, Alex wrote:
> PS This is already the fourth time I'm trying to post this message into this
> f...ng mail list. First 2 times I got - The following address(es) failed:
> voyage-linux at list.voyage.hk, third time the message has simply gone!!!

At least the mail yesterday reached the mailing list:

[1] http://list.voyage.hk/pipermail/voyage-linux/2009-July/003542.html

> I have a HUAWEI E160 UMTS modem. It is recognized by the system and works
> correctly but when I disconnect it I got some error message and afterwards the
> USB subsystem doesn't work any longer
>
> [snip]
> 
> and here what I have disconnecting it
> ----------------------------------------------
> usb 2-1: USB disconnect, address 3
> ehci_hcd 0000:00:0f.5: HC died; cleaning up
> irq 15: nobody cared (try booting with the "irqpoll" option)
> Pid: 1486, comm: khubd Tainted: P          2.6.26-486-voyage #1
>  [<c0130977>] __report_bad_irq+0x24/0x69
>  [<c013097e>] __report_bad_irq+0x2b/0x69
>  [<c0130b9f>] note_interrupt+0x1e3/0x238
>  [<c0130317>] handle_IRQ_event+0x1a/0x3f
>  [<c013120d>] handle_level_irq+0x8a/0xce
>  [<c0105162>] do_IRQ+0x4b/0x61
>  [<c0103a73>] common_interrupt+0x23/0x30
>  [<c01172ea>] __do_softirq+0x2c/0x78
>  [<c0117358>] do_softirq+0x22/0x26
>  [<c0117471>] irq_exit+0x25/0x5d
>  [<c0105167>] do_IRQ+0x50/0x61
>  [<c0103a73>] common_interrupt+0x23/0x30
>  [<c0113f75>] vprintk+0x249/0x26a
>  [<d0861e84>] urb_destroy+0x0/0x19 [usbcore]
>  [<c01e0c8f>] kref_put+0x35/0x3f
>  [<d08627d5>] usb_start_wait_urb+0x7f/0x89 [usbcore]
>  [<d08629c6>] usb_control_msg+0xd2/0xdc [usbcore]
>  [<c02bb205>] printk+0xe/0x11
>  [<d085ed25>] usb_disconnect+0x44/0xd3 [usbcore]
>  [<d085f7ea>] hub_thread+0x43f/0xc32 [usbcore]
>  [<c010f6b5>] __dequeue_entity+0x1f/0x71
>  [<c0122044>] autoremove_wake_function+0x0/0x2d
>  [<d085f3ab>] hub_thread+0x0/0xc32 [usbcore]
>  [<c0121cb0>] kthread+0x36/0x5a
>  [<c0121c7a>] kthread+0x0/0x5a
>  [<c0103c27>] kernel_thread_helper+0x7/0x10
>  =======================
> handlers:
> [<d08606d0>] (usb_hcd_irq+0x0/0x59 [usbcore])
> [<d08606d0>] (usb_hcd_irq+0x0/0x59 [usbcore])
> Disabling IRQ #15
> 
> Message from syslogd at voyage aoption1 ttyUSB0: GSM modem (1-port) converter now d
> isconnected from ttyUSB0
> t Sat Jan  1 01:option 2-1:1.0: device disconnected
> option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
> 
> voyage vmunix: option 2-1:1.1: device disconnected
> Disabling IRQ #1hub 2-0:1.0: hub_port_status failed (err = -19)
> 5
> hub 2-0:1.0: connect-debounce failed, port 1 disabled
> hub 2-0:1.0: cannot disable port 1 (err = -19)
> ----------------------------------------------
> 
> tried booting with the "irqpoll" option, doesn't help
> Any ideas?

It *could* help if you tell us which hardware you use (on what
hardware voyage is installed).
Maybe turning on/off ACPI could help.
You can also load "usb-serial" with the "debug=1" option to figure
out whats wrong.

Greetings,
 - Darsha