Alan Stern <[EMAIL PROTECTED]> writes:
> On Thu, 18 Mar 2004, Sean Neakums wrote:
>
>> On one machine (a Dell Inspiron 4100 laptop), with 2.6.5-rc1-mm2 and
>> 2.6.5-rc1-mm1, but not with 2.6.5-rc1, gphoto2 hangs trying to talk to
>> my camera:
>>
>> $ ps -C gphoto2 -o comm,s,wchan
>> COMMAND S WCHAN
>> gphoto2 D usb_disable_device
>>
>> However, I was able to connect, mount and perform large transfers to a
>> USB Storage device without any problems, although the device still
>> shows up in lsusb after it is umounted and disconnected, and plugging
>> in the camera has no effect, which is how I first noticed this problem.
>
> Can you turn on USB debugging in the kernel configuration for your laptop
> and post the dmesg output you get when: connecting, running gphoto2,
> disconnecting, and reconnecting?
Here are the results with 2.6.5-rc1-mm2 on the laptop:
Plug in:
Mar 19 17:02:55 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:02:55 revox kernel: uhci_hcd 0000:00:1d.0: port 1 portsc 0083
Mar 19 17:02:55 revox kernel: hub 1-0:1.0: port 1, status 101, change 1, 12 Mb/s
Mar 19 17:02:55 revox kernel: hub 1-0:1.0: debounce: port 1: delay 100ms stable 4
status 0x101
Mar 19 17:02:56 revox kernel: usb 1-1: new full speed USB device using address 2
Mar 19 17:02:56 revox kernel: usb 1-1: new device strings: Mfr=1, Product=2,
SerialNumber=0
Mar 19 17:02:56 revox kernel: drivers/usb/core/message.c: USB device number 2
default language ID 0x409
Mar 19 17:02:56 revox kernel: usb 1-1: Product: PowerShot A40
Mar 19 17:02:56 revox kernel: usb 1-1: Manufacturer: Canon Inc.
Mar 19 17:02:56 revox kernel: drivers/usb/core/usb.c: usb_hotplug
Mar 19 17:02:56 revox kernel: usb 1-1: registering 1-1:1.0 (config #1, interface 0)
Mar 19 17:02:56 revox kernel: drivers/usb/core/usb.c: usb_hotplug
Run gphoto2 (which hangs):
Mar 19 17:03:14 revox kernel: usb 1-1: usb_disable_device nuking non-ep0 URBs
Mar 19 17:03:14 revox kernel: usb 1-1: unregistering interface 1-1:1.0
Mar 19 17:03:14 revox kernel: drivers/usb/core/usb.c: usb_hotplug
Disconnect:
Mar 19 17:03:27 revox kernel: uhci_hcd 0000:00:1d.0: port 1 portsc 008a
Mar 19 17:03:27 revox kernel: hub 1-0:1.0: port 1, status 100, change 3, 12 Mb/s
Mar 19 17:03:28 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:28 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:30 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:31 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:33 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:33 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:35 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:35 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:38 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:38 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:40 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:40 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:42 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:43 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:45 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:45 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:47 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:47 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:50 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:50 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:52 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:52 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:03:54 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:03:55 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Reconnect:
Disconnect:
Mar 19 17:04:11 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:11 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:04:14 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:14 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:04:16 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:16 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:04:18 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:19 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:04:21 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:21 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:04:23 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:23 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Reconnect:
Disconnect:
Mar 19 17:04:43 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:43 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:04:45 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:45 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
Mar 19 17:04:47 revox kernel: uhci_hcd 0000:00:1d.0: suspend_hc
Mar 19 17:04:48 revox kernel: uhci_hcd 0000:00:1d.0: wakeup_hc
The suspend_hc/wakeup_hc messages appear to stream indefinitely unless
I plug the camera back in.
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