Re: 2.6.5-mm4 (hci_usb module unloading oops)

Martin Hermanowski
2004-04-12T10:19:19Z

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I get an oops when I try to unload the hci_usb module.

What other useful information can I provide?

LLAP, Martin

Apr 12 12:07:48 localhost kernel: usbcore: deregistering driver hci_usb
Apr 12 12:07:48 localhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Apr 12 12:07:48 localhost kernel: printing eip:
Apr 12 12:07:48 localhost kernel: c01a05c6
Apr 12 12:07:48 localhost kernel: *pde = 00000000
Apr 12 12:07:48 localhost kernel: Oops: 0000 [#1]
Apr 12 12:07:48 localhost kernel: CPU: 0
Apr 12 12:07:48 localhost kernel: EIP: 0060:[get_kobj_path_length+38/64] Ta inted: PF VLI
Apr 12 12:07:48 localhost kernel: EFLAGS: 00010246 (2.6.5-mm4)
Apr 12 12:07:48 localhost kernel: EIP is at get_kobj_path_length+0x26/0x40
Apr 12 12:07:48 localhost kernel: eax: 00000000 ebx: 00000000 ecx: ffffffff edx: d0ffed38
Apr 12 12:07:48 localhost kernel: esi: 00000001 edi: 00000000 ebp: ffffffff esp: d7bd5e2c
Apr 12 12:07:48 localhost kernel: ds: 007b es: 007b ss: 0068
Apr 12 12:07:48 localhost kernel: Process rmmod (pid: 22209, threadinfo=d7bd4000 task=d6514cf0)
Apr 12 12:07:48 localhost kernel: Stack: c01e8670 c8cc6c19 c8cc6c00 c243f340 c01a0779 c0379340 d0ffed38 000002a6
Apr 12 12:07:48 localhost kernel: e09baec0 c015940d d7bd5e6c c8cc6c00 00000000 c0341ae0 e09b5e17 00000000
Apr 12 12:07:48 localhost kernel: c0309e3f d0ffed38 d0ffed30 e09bae60 e09baec0 c01a0917 c0307b46 c0379340
Apr 12 12:07:48 localhost kernel: Call Trace:
Apr 12 12:07:48 localhost udev[22216]: removing device node '/dev/hci0'
Apr 12 12:07:48 localhost kernel: [class_hotplug_name+0/16] class_hotplug_name+0x0/0x10
Apr 12 12:07:48 localhost kernel: [kset_hotplug+313/624] kset_hotplug+0x139/0x270
Apr 12 12:07:48 localhost kernel: [lookup_hash+29/48] lookup_hash+0x1d/0x30
Apr 12 12:07:48 localhost kernel: [kobject_hotplug+103/112] kobject_hotplug+0x67/0x70
Apr 12 12:07:48 localhost kernel: [kobject_del+27/64] kobject_del+0x1b/0x40
Apr 12 12:07:48 localhost kernel: [class_device_del+144/192] class_device_del+0x90/0xc0
Apr 12 12:07:48 localhost kernel: [__crc_crypto_hmac_final+1493997/5493628] hci_unregister_dev+0x13/0xa0 [bluetooth]
Apr 12 12:07:48 localhost kernel: [__crc_crypto_hmac_final+2844063/5493628] hci_usb_disconnect+0x35/0x90 [hci_usb]
Apr 12 12:07:48 localhost kernel: [usb_unbind_interface+118/128] usb_unbind_interface+0x76/0x80
Apr 12 12:07:48 localhost kernel: [device_release_driver+102/112] device_release_driver+0x66/0x70
Apr 12 12:07:48 localhost kernel: [driver_detach+43/64] driver_detach+0x2b/0x40
Apr 12 12:07:48 localhost kernel: [bus_remove_driver+61/128] bus_remove_driver+0x3d/0x80
Apr 12 12:07:48 localhost kernel: [driver_unregister+19/40] driver_unregister+0x13/0x28
Apr 12 12:07:48 localhost kernel: [usb_deregister+50/64] usb_deregister+0x32/0x40
Apr 12 12:07:48 localhost kernel: [__crc_crypto_hmac_final+2844169/5493628] hci_usb_exit+0xf/0x11 [hci_usb]
Apr 12 12:07:48 localhost kernel: [sys_delete_module+336/416] sys_delete_module+0x150/0x1a0
Apr 12 12:07:48 localhost kernel: [do_munmap+286/352] do_munmap+0x11e/0x160
Apr 12 12:07:48 localhost kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Apr 12 12:07:48 localhost kernel:
Apr 12 12:07:48 localhost kernel: Code: 90 8d 74 26 00 55 bd ff ff ff ff 57 56 be 01 00 00 00 53 8b 54 24 18 31 db 8d b6 00 00 00 00 8d bf 00 00 00 00 8b 3a 89 e9 89 d8 <f2> ae f7 d1 49 8b 52 24 8d 74 31 01 85 d2 75 ea 5b 89 f0 5e 5f

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