Re: [linux-usb-devel] 2.6.6-rc3 still oops on unplugging usb bluetoothbcm203x dongle

[Alan Stern]

On Thu, 29 Apr 2004, Soeren Sonnenburg wrote:

> Hi...
> 
> I still get:
> 
> usb 2-1: USB disconnect, address 3
> Oops: kernel access of bad area, sig: 11 [#1]
> NIP: C02134B4 LR: F205D414 SP: EFE87DD0 REGS: efe87d20 TRAP: 0600    Not tainted
> MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
> DAR: 6B6B6BB7, DSISR: 00000120
> TASK = effa4030[5] 'khubd' THREAD: efe86000Last syscall: -1 
> GPR00: FFFF0001 EFE87DD0 EFFA4030 EE77C828 6B6B6B6B 00000000 EB8EE83C 00000000 
> GPR08: 00001388 EF0EE858 00010C00 C0213480 82008022 00000000 00000000 00000000 
> GPR16: 00000000 00000000 00000000 00000000 00000000 00220000 00230000 00000000 
> GPR24: 00000000 C0400000 00000001 6B6B6B6B 6B6B6BB7 EF07B8A0 EE77C828 EE77C6FC 
> NIP [c02134b4] class_device_del+0x34/0x140
> LR [f205d414] hci_unregister_sysfs+0x14/0x24 [bluetooth]
> Call trace:
>  [f205d414] hci_unregister_sysfs+0x14/0x24 [bluetooth]
>  [f205876c] hci_unregister_dev+0x18/0xb0 [bluetooth]
>  [f204cd94] hci_usb_disconnect+0x48/0x90 [hci_usb]

Marcel Holtman is working on this; some other people have reported the 
same problem.  Have you been in touch with him?  It appears to be a 
problem in the Bluetooth driver, not in the USB stack.

Alan STern


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