When plugging a Motorola SurfBoard 5100 device into my box, khubd oopses.
Kernel is stock linux-2.6.5.
Chipset is nForce 2 (OHCI), USB 2 EHCI controller disabled, so just USB 1.1
controller active.
Please CC me if more information would be handy.
Harvested from kernel logs:
ohci_hcd: 2004 Feb 02 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ohci_hcd: block sizes: ed 64 td 64
ohci_hcd 0000:00:02.0: nVidia Corporation nForce2 USB Controller
ohci_hcd 0000:00:02.0: USB HC TakeOver from BIOS/SMM
ohci_hcd 0000:00:02.0: reset, control = 0x684
PCI: Setting latency timer of device 0000:00:02.0 to 64
ohci_hcd 0000:00:02.0: irq 20, pci mem e080a000
ohci_hcd 0000:00:02.0: new USB bus registered, assigned bus number 1
ohci_hcd 0000:00:02.0: root hub device address 1
usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1
drivers/usb/core/message.c: USB device number 1 default language ID 0x409
usb usb1: Product: nVidia Corporation nForce2 USB Controller
usb usb1: Manufacturer: Linux 2.6.5 ohci_hcd
usb usb1: SerialNumber: 0000:00:02.0
usb usb1: registering 1-0:1.0 (config #1, interface 0)
hub 1-0:1.0: usb_probe_interface
hub 1-0:1.0: usb_probe_interface - got id
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 3 ports detected
hub 1-0:1.0: standalone hub
hub 1-0:1.0: unknown reserved power switching mode
hub 1-0:1.0: global over-current protection
hub 1-0:1.0: Port indicators are not supported
hub 1-0:1.0: power on to power good time: 2ms
hub 1-0:1.0: hub controller current requirement: 0mA
hub 1-0:1.0: local power source is good
hub 1-0:1.0: no over-current condition exists
hub 1-0:1.0: enabling power on all ports
ohci_hcd 0000:00:02.0: created debug files
ohci_hcd 0000:00:02.0: OHCI controller state
ohci_hcd 0000:00:02.0: OHCI 1.0, with legacy support registers
ohci_hcd 0000:00:02.0: control 0x683 RWE RWC HCFS=operational CBSR=3
ohci_hcd 0000:00:02.0: cmdstatus 0x00000 SOC=0
ohci_hcd 0000:00:02.0: intrstatus 0x00000044 RHSC SF
ohci_hcd 0000:00:02.0: intrenable 0x80000002 MIE WDH
ohci_hcd 0000:00:02.0: hcca frame #0025
ohci_hcd 0000:00:02.0: roothub.a 01000203 POTPGT=1 NPS NDP=3
ohci_hcd 0000:00:02.0: roothub.b 00000000 PPCM=0000 DR=0000
ohci_hcd 0000:00:02.0: roothub.status 00000000
ohci_hcd 0000:00:02.0: roothub.portstatus [0] 0x00010101 CSC PPS CCS
ohci_hcd 0000:00:02.0: roothub.portstatus [1] 0x00000100 PPS
ohci_hcd 0000:00:02.0: roothub.portstatus [2] 0x00000100 PPS
ohci_hcd 0000:00:02.1: nVidia Corporation nForce2 USB Controller (#2)
ohci_hcd 0000:00:02.1: USB HC TakeOver from BIOS/SMM
ohci_hcd 0000:00:02.1: reset, control = 0x684
PCI: Setting latency timer of device 0000:00:02.1 to 64
ohci_hcd 0000:00:02.1: irq 22, pci mem e080c000
ohci_hcd 0000:00:02.1: new USB bus registered, assigned bus number 2
ohci_hcd 0000:00:02.1: root hub device address 1
usb usb2: new device strings: Mfr=3, Product=2, SerialNumber=1
drivers/usb/core/message.c: USB device number 1 default language ID 0x409
usb usb2: Product: nVidia Corporation nForce2 USB Controller (#2)
usb usb2: Manufacturer: Linux 2.6.5 ohci_hcd
usb usb2: SerialNumber: 0000:00:02.1
usb usb2: registering 2-0:1.0 (config #1, interface 0)
hub 2-0:1.0: usb_probe_interface
hub 2-0:1.0: usb_probe_interface - got id
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 3 ports detected
hub 2-0:1.0: standalone hub
hub 2-0:1.0: unknown reserved power switching mode
hub 2-0:1.0: global over-current protection
hub 2-0:1.0: Port indicators are not supported
hub 2-0:1.0: power on to power good time: 2ms
hub 2-0:1.0: hub controller current requirement: 0mA
hub 2-0:1.0: local power source is good
hub 2-0:1.0: no over-current condition exists
hub 2-0:1.0: enabling power on all ports
ohci_hcd 0000:00:02.1: created debug files
ohci_hcd 0000:00:02.1: OHCI controller state
ohci_hcd 0000:00:02.1: OHCI 1.0, with legacy support registers
ohci_hcd 0000:00:02.1: control 0x683 RWE RWC HCFS=operational CBSR=3
ohci_hcd 0000:00:02.1: cmdstatus 0x00000 SOC=0
ohci_hcd 0000:00:02.1: intrstatus 0x00000004 SF
ohci_hcd 0000:00:02.1: intrenable 0x80000002 MIE WDH
ohci_hcd 0000:00:02.1: hcca frame #0026
ohci_hcd 0000:00:02.1: roothub.a 01000203 POTPGT=1 NPS NDP=3
ohci_hcd 0000:00:02.1: roothub.b 00000000 PPCM=0000 DR=0000
ohci_hcd 0000:00:02.1: roothub.status 00000000
ohci_hcd 0000:00:02.1: roothub.portstatus [0] 0x00000100 PPS
ohci_hcd 0000:00:02.1: roothub.portstatus [1] 0x00000100 PPS
ohci_hcd 0000:00:02.1: roothub.portstatus [2] 0x00000100 PPS
drivers/usb/core/usb.c: registered new driver usbnet
ohci_hcd 0000:00:02.0: GetStatus roothub.portstatus [1] = 0x00010101 CSC PPS
CCS
hub 1-0:1.0: port 1, status 101, change 1, 12 Mb/s
hub 1-0:1.0: debounce: port 1: delay 100ms stable 4 status 0x101
ohci_hcd 0000:00:02.0: GetStatus roothub.portstatus [1] = 0x00100103 PRSC
PPS PES CCS
usb 1-1: new full speed USB device using address 2
usb 1-1: new device strings: Mfr=1, Product=2, SerialNumber=3
drivers/usb/core/message.c: USB device number 2 default language ID 0x409
usb 1-1: Product: USB Cable Modem
usb 1-1: registering 1-1:1.0 (config #1, interface 0)
usbnet 1-1:1.0: usb_probe_interface
usbnet 1-1:1.0: usb_probe_interface - got id
Unable to handle kernel NULL pointer dereference at virtual address 00000004
printing eip:
c028ff64
*pde = 00000000
Oops: 0000 [#1]
DEBUG_PAGEALLOC
CPU: 0
EIP: 0060:[<c028ff64>] Not tainted
EFLAGS: 00010296 (2.6.5)
EIP is at usb_disable_interface+0x14/0x50
eax: df3a4ef8 ebx: 00000000 ecx: 00000000 edx: dffdaf38
esi: 00000001 edi: 00000000 ebp: df3aabf8 esp: df98bcfc
ds: 007b es: 007b ss: 0068
Process khubd (pid: 5, threadinfo=df98a000 task=df9bb9e0)
Stack: 00000001 0000000b 00000001 00000001 df3d5d94 df3aabf8 c0290257
df3aabf8
df3a4ef8 0000000b 00000001 00000001 00000001 00000000 00000000
00001388
00000000 df3a4ef8 df3d5d94 df3d5d94 df3d5d44 00000001 c029e301
df3aabf8
Call Trace:
[<c0290257>] usb_set_interface+0xb7/0x1a0
[<c029e301>] get_endpoints+0xb1/0x120
[<c029e4bb>] generic_cdc_bind+0xcb/0x220
[<c029e708>] cdc_bind+0x28/0xe0
[<c0263d7b>] alloc_netdev+0x7b/0xb0
[<c02a084e>] usbnet_probe+0x49e/0x510
[<c01a8a9d>] sysfs_new_inode+0x5d/0xb0
[<c0287516>] usb_probe_interface+0xb6/0xd0
[<c02526ef>] bus_match+0x3f/0x70
[<c0252761>] device_attach+0x41/0xa0
[<c0252965>] bus_add_device+0x75/0xc0
[<c0251715>] device_add+0xa5/0x140
[<c029068b>] usb_set_configuration+0x24b/0x2f0
[<c0288530>] usb_new_device+0x2d0/0x5a0
[<c028adca>] hub_port_connect_change+0x1ea/0x2f0
[<c028b2f5>] hub_events+0x425/0x5e0
[<c028b4dd>] hub_thread+0x2d/0x100
[<c01198a0>] default_wake_function+0x0/0x20
[<c028b4b0>] hub_thread+0x0/0x100
[<c0104d91>] kernel_thread_helper+0x5/0x14
Code: 80 7b 04 00 74 26 31 f6 8d 74 26 00 8b 43 0c 47 0f b6 44 30
--
Daniel J Blueman
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