Re: regression: oops with usb bcm203x bluetooth dongle 2.6.5

[Marcel Holtmann]

Hi Soeren,

> This dongle used to work fine (at least till 2.6.3) and still does if I
> remove the bcm203x kernel module and manually (or via hotplug) use the
> bluefw program to upload the firmware.
> 
> This dongle gives me an oops on _insert_.
> Mass storage devices/HID work fine.
> 
> This is on a ppc machine with xmon support compiled in. So if you need
> more infos than this backtrace, please say so.
> 
> usb 1-1: new full speed USB device using address 5
> Bluetooth: Broadcom Blutonium firmware driver ver 1.0
> Bluetooth: HCI USB driver ver 2.5
> drivers/usb/core/usb.c: registered new driver bcm203x
> drivers/usb/core/usb.c: registered new driver hci_usb
> usb 1-1: USB disconnect, address 5
> usb 1-1: new full speed USB device using address 6
> Oops: kernel access of bad area, sig: 11 [#1]
> NIP: C0260554 LR: C02607F8 SP: EFEB9D00 REGS: efeb9c50 TRAP: 0301    Not tainted
> MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
> DAR: 00000004, DSISR: 40000000
> TASK = c1aee000[5] 'khubd' Last syscall: -1
> GPR00: C02607F8 EFEB9D00 C1AEE000 E9B51A2C EE5246AC 00000000 EC987A64 C046273C
> GPR08: 00009032 00000008 00010C00 C04F9958 82008022
> Call trace:
> [c02607f8] usb_set_interface+0x94/0x164
> [f2506ab4] hci_usb_probe+0x21c/0x48c [hci_usb]
> [c0259f88] usb_probe_interface+0x80/0x98
> [c01f5fac] bus_match+0x50/0x8c
> [c01f6040] device_attach+0x58/0xbc
> [c01f62c0] bus_add_device+0x7c/0xd8
> [c01f4b60] device_add+0xb0/0x184
> [c0260be4] usb_set_configuration+0x20c/0x25c
> [c025b2c4] usb_new_device+0x2bc/0x3d4
> [c025cd24] hub_port_connect_change+0x1a0/0x298
> [c025d0f0] hub_events+0x2d4/0x354
> [c025d1ac] hub_thread+0x3c/0xf4
> [c000914c] kernel_thread+0x44/0x60

the bcm203x is only a firmware loader driver and after firmware load the
device resets and should be driven by the hci_usb driver. Does it still
oopses if you remove the hci_usb module from the module directory? What
I don't understand is that the oops comes from the hci_usb driver.

Regards

Marcel


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