On Fri, 26 Aug 2005, Norbert Preining wrote:

> Hi USB developers!
> 
> My laptop just showed me the following:
> usb 2-2: USB disconnect, address 2
> BUG: atomic counter underflow at:
>  [<c01c1d6d>] kref_put+0x48/0x8b
>  [<c02f87db>] klist_release+0x0/0x4d
>  [<c02f886d>] klist_remove+0x14/0x30
>  [<c0228e8a>] __device_release_driver+0x38/0x5b
>  [<c0228ec3>] device_release_driver+0x16/0x24
>  [<c02288b5>] bus_remove_device+0x4c/0x5a
>  [<c0227c8d>] device_del+0x28/0x55
>  [<c0227cc2>] device_unregister+0x8/0x10
>  [<e08e711a>] hub_port_connect_change+0x51/0x3cc [usbcore]
>  [<e08e4f8c>] clear_port_feature+0x48/0x4d [usbcore]
>  [<e08e772c>] hub_events+0x297/0x400 [usbcore]
>  [<e08e7895>] hub_thread+0x0/0xe1 [usbcore]
>  [<e08e78a9>] hub_thread+0x14/0xe1 [usbcore]
>  [<c012d99a>] autoremove_wake_function+0x0/0x37
>  [<c012d5bb>] kthread+0x87/0x8b
>  [<c012d534>] kthread+0x0/0x8b
>  [<c010131d>] kernel_thread_helper+0x5/0xb

See this thread:

http://marc.theaimsgroup.com/?l=linux-kernel&m=112479641002918&w=2

Alan Stern



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