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List:       voyage-linux
Subject:    [Voyage-linux] Got dump on disconnecting an USB modem
From:       Alex <flux242 () gmail ! com>
Date:       2009-07-30 10:25:57
Message-ID: loom.20090730T102440-799 () post ! gmane ! org
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Hi,

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

Here what I have when I connect the device
----------------------------------------------
usb 2-1: configuration #1 chosen from 1 choice
Initializing USB Mass Storage driver...
usb 2-1: USB disconnect, address 2
scsi0 : SCSI emulation for USB Mass Storage devices
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usb 2-1: new high speed USB device using ehci_hcd and address 3
usb 2-1: configuration #1 chosen from 1 choice
usb-storage: probe of 2-1:1.0 failed with error -5
usb-storage: probe of 2-1:1.1 failed with error -5
scsi3 : SCSI emulation for USB Mass Storage devices
scsi4 : SCSI emulation for USB Mass Storage devices
usbcore: registered new interface driver usbserial
usbserial: USB Serial support registered for generic
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial Driver core
usbserial: USB Serial support registered for GSM modem (1-port)
option 2-1:1.0: GSM modem (1-port) converter detected
usb 2-1: GSM modem (1-port) converter now attached to ttyUSB0
option 2-1:1.1: GSM modem (1-port) converter detected
usb 2-1: GSM modem (1-port) converter now attached to ttyUSB1
usbcore: registered new interface driver option
option: USB Driver for GSM modems: v0.7.2
scsi 3:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Driver 'sr' needs updating - please use bus_type methods
sr0: scsi-1 drive
Uniform CD-ROM driver Revision: 3.20
sr 3:0:0:0: Attached scsi generic sg0 type 5
scsi 4:0:0:0: Direct-Access     HUAWEI   MMC Storage      2.31 PQ: 0 ANSI: 2
sd 4:0:0:0: [sda] Attached SCSI removable disk
sd 4:0:0:0: Attached scsi generic sg1 type 0
----------------------------------------------



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@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)
----------------------------------------------

Any ideas?


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