Hi,
after shortly using a usb bluetooth adapter (builtin Sony C1MHP)
with rfcomm to a Nokia 6310i disconnecting the adapter caused this oops
Arch: i386
Machine: Sony C1MHP
Kernel: 2.6.6
Patches: None
Module Size Used by
rfcomm 33308 5
l2cap 19332 3 rfcomm
hci_usb 11008 0
bluetooth 40004 5 rfcomm,l2cap,hci_usb
sonypi 20384 0
orinoco_cs 6824 1
orinoco 39020 1 orinoco_cs
hermes 7520 2 orinoco_cs,orinoco
usb_storage 31392 1
ohci_hcd 28708 0
usbcore 110396 5 hci_usb,usb_storage,ohci_hcd
ds 13796 3 orinoco_cs
yenta_socket 18368 1
pcmcia_core 54628 3 orinoco_cs,ds,yenta_socket
sd_mod 16000 0
scsi_mod 100940 2 usb_storage,sd_mod
8139too 20064 0
mii 3968 1 8139too
crc32 3808 1 8139too
ohci1394 30820 0
ieee1394 303864 1 ohci1394
8250_pci 16448 0
8250 17760 1 8250_pci
serial_core 18528 1 8250
snd_ali5451 20004 0
snd_ac97_codec 61604 1 snd_ali5451
snd_pcm 82820 1 snd_ali5451
snd_page_alloc 8996 1 snd_pcm
snd_timer 20004 1 snd_pcm
snd 43908 4 snd_ali5451,snd_ac97_codec,snd_pcm,snd_timer
soundcore 6848 1 snd
[...]
ohci_hcd 0000:00:0f.0: urb cd4eb224 path 2 ep2in 5e160000 cc 5 --> status -110
ohci_hcd 0000:00:0f.0: urb cd4eb224 path 2 ep2in 5e160000 cc 5 --> status -110
ohci_hcd 0000:00:0f.0: urb cd4eb224 path 2 ep2in 5e160000 cc 5 --> status -110
ohci_hcd 0000:00:0f.0: urb cd4eb224 path 2 ep2in 5e160000 cc 5 --> status -110
ohci_hcd 0000:00:0f.0: urb cd4eb1a4 path 2 ep1in 5f160000 cc 5 --> status -110
ohci_hcd 0000:00:0f.0: urb cd4eb224 path 2 ep2in 5e160000 cc 5 --> status -110
ohci_hcd 0000:00:0f.0: GetStatus roothub.portstatus [2] = 0x00030100 PESC CSC PPS
hub 1-0:1.0: port 2, status 100, change 3, 12 Mb/s
usb 1-2: USB disconnect, address 3
ohci_hcd 0000:00:0f.0: urb cd4eb224 path 2 ep2in 5e160000 cc 5 --> status -110
usb 1-2: usb_disable_device nuking all URBs
ohci_hcd 0000:00:0f.0: shutdown urb cd4eb1a4 pipe 40408380 ep1in-intr
ohci_hcd 0000:00:0f.0: shutdown urb cd446a14 pipe 00418380 ep3in-iso
ohci_hcd 0000:00:0f.0: shutdown urb cd446214 pipe 00418380 ep3in-iso
usb 1-2: unregistering interface 1-2:1.0
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c01ab476
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<c01ab476>] Tainted: G S
EFLAGS: 00010246 (2.6.6-paradigm)
EIP is at get_kobj_path_length+0x26/0x40
eax: 00000000 ebx: 00000000 ecx: ffffffff edx: cd446538
esi: 00000001 edi: 00000000 ebp: ffffffff esp: c849ddd8
ds: 007b es: 007b ss: 0068
Process khubd (pid: 8339, threadinfo=c849c000 task=ce024130)
Stack: c0216450 ce0c2419 ce0c2400 cd4eb190 c01ab629 c036c560 cd446538 000001a8
d012dac0 c0161f4d c849de18 ce0c2400 00000000 c0334940 d012a731 00000000
c0303b9c cd446538 cd446530 d012da60 d012dac0 c01ab7c7 c03032ad c036c560
Call Trace:
[<c0216450>] class_hotplug_name+0x0/0x10
[<c01ab629>] kset_hotplug+0x139/0x270
[<c0161f4d>] lookup_hash+0x1d/0x30
[<c01ab7c7>] kobject_hotplug+0x67/0x70
[<c01abb3b>] kobject_del+0x1b/0x40
[<c02166d0>] class_device_del+0x90/0xc0
[<d0125d13>] hci_unregister_dev+0x13/0x80 [bluetooth]
[<d00f58c5>] hci_usb_disconnect+0x35/0x90 [hci_usb]
[<d01bc166>] usb_unbind_interface+0x76/0x80 [usbcore]
[<c02159e6>] device_release_driver+0x66/0x70
[<c0215b25>] bus_remove_device+0x55/0xa0
[<c0214a1d>] device_del+0x5d/0xa0
[<c0214a73>] device_unregister+0x13/0x30
[<d01c2f58>] usb_disable_device+0xd8/0x120 [usbcore]
[<d01bce14>] usb_disconnect+0xa4/0x140 [usbcore]
[<d01bf72f>] hub_port_connect_change+0x2cf/0x2e0 [usbcore]
[<d01bfab4>] hub_events+0x374/0x420 [usbcore]
[<d01bfbc5>] hub_thread+0x65/0x1b0 [usbcore]
[<c0114040>] default_wake_function+0x0/0x20
[<d01bfb60>] hub_thread+0x0/0x1b0 [usbcore]
[<c01042ad>] kernel_thread_helper+0x5/0x18
Code: f2 ae f7 d1 49 8b 52 24 8d 74 31 01 85 d2 75 ea 5b 89 f0 5e
--
Florian Lohoff [email protected] +49-171-2280134
Heisenberg may have been here.
Hi Florian,
> after shortly using a usb bluetooth adapter (builtin Sony C1MHP)
> with rfcomm to a Nokia 6310i disconnecting the adapter caused this oops
>
> Arch: i386
> Machine: Sony C1MHP
> Kernel: 2.6.6
> Patches: None
try using 2.6.6-mh3 or 2.6.7-rc2. This bug should be fixed there.
Regards
Marcel