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Subject2.5.70 oops in ohci_hcd
Date
Hi folks,
can anyone enlighten me on this OOPS:

I'm trying to boot 2.5.70 on a system with only USB keyboard and mouse
(i.e. no AT or PS/2 interface present)

-- lode

Jan 1 02:03:56 localhost kernel: hub 2-0:0: new USB device on port 1,
assigned address 2
Jan 1 02:03:56 localhost kernel: Unable to handle kernel NULL pointer
dereference at virtual address 0000002b
Jan 1 02:03:56 localhost kernel: printing eip:
Jan 1 02:03:56 localhost kernel: cf818ce5
Jan 1 02:03:56 localhost kernel: *pde = 00000000
Jan 1 02:03:56 localhost kernel: Oops: 0000 [#1]
Jan 1 02:03:56 localhost kernel: CPU: 0
Jan 1 02:03:56 localhost kernel: EIP: 0060:[<cf818ce5>] Not tainted
Jan 1 02:03:56 localhost kernel: EFLAGS: 00010006
Jan 1 02:03:56 localhost kernel: EIP is at ed_get+0x55/0x210 [ohci_hcd]
Jan 1 02:03:56 localhost kernel: eax: 00000000 ebx: 00000000 ecx:
cea7d400 edx: 00000003
Jan 1 02:03:56 localhost kernel: esi: cead4820 edi: 80000280 ebp:
ce69bbfc esp: ce69bbd0
Jan 1 02:03:56 localhost kernel: ds: 007b es: 007b ss: 0068
Jan 1 02:03:56 localhost kernel: Process khubd (pid: 150,
threadinfo=ce69a000 task=cecec080)
Jan 1 02:03:56 localhost kernel: Stack: f3080000 013eb4a0 00000000 ce6a69c0
00000246 00000003 00000002 00000000
Jan 1 02:03:56 localhost kernel: 80000280 cea7d630 00000000 ce69bc34
cf819995 cea7d400 ce43a800 80000280
Jan 1 02:03:56 localhost kernel: 00000000 00000002 00000000 00000000
c02070f8 cea7d400 ce6a67e0 cea7d630
Jan 1 02:03:56 localhost kernel: Call Trace:
Jan 1 02:03:56 localhost kernel: [<cf819995>] ohci_urb_enqueue+0x45/0x290
[ohci_hcd]
Jan 1 02:03:56 localhost kernel: [<c02070f8>] get_device+0x18/0x30
Jan 1 02:03:56 localhost kernel: [<cf835b47>] hcd_submit_urb+0xf7/0x160
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf84a320>] usb_hcd_operations+0x0/0x20
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf8363b5>] usb_submit_urb+0x1d5/0x250
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf83652c>]
usb_start_wait_urb+0x8c/0x190 [usbcore]
Jan 1 02:03:56 localhost kernel: [<c013ca1d>] __get_free_pages+0x1d/0x60
Jan 1 02:03:56 localhost kernel: [<c0111a7d>] dma_alloc_coherent+0x4d/0x90
Jan 1 02:03:56 localhost kernel: [<c011d900>]
default_wake_function+0x0/0x30
Jan 1 02:03:56 localhost kernel: [<cf83617f>] usb_alloc_urb+0x2f/0x50
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf836697>]
usb_internal_control_msg+0x67/0x80 [usbcore]
Jan 1 02:03:56 localhost kernel: [<cf83673e>] usb_control_msg+0x8e/0xb0
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf836ef3>] usb_get_string+0x63/0x70
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf83761e>] usb_string+0xfe/0x1c0
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf84e464>]
usb_hid_configure+0x2d4/0x6b0 [hid]
Jan 1 02:03:56 localhost kernel: [<c011d900>]
default_wake_function+0x0/0x30
Jan 1 02:03:56 localhost kernel: [<c011d900>]
default_wake_function+0x0/0x30
Jan 1 02:03:56 localhost kernel: [<cf85389c>] hid_driver+0x7c/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf853838>] hid_driver+0x18/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf853820>] hid_driver+0x0/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf84e934>] hid_probe+0x14/0x1d0 [hid]
Jan 1 02:03:56 localhost kernel: [<c012d660>]
__call_usermodehelper+0x0/0x70
Jan 1 02:03:56 localhost kernel: [<cf83e05b>] +0x23/0x8a8 [usbcore]
Jan 1 02:03:56 localhost kernel: [<cf85389c>] hid_driver+0x7c/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf853838>] hid_driver+0x18/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf853820>] hid_driver+0x0/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf831092>] usb_device_probe+0x72/0xa0
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf8537e0>] hid_usb_ids+0x0/0x40 [hid]
Jan 1 02:03:56 localhost kernel: [<cf853838>] hid_driver+0x18/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<c0207c53>] bus_match+0x43/0x80
Jan 1 02:03:56 localhost kernel: [<cf853838>] hid_driver+0x18/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf853868>] hid_driver+0x48/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf84a13c>] usb_bus_type+0x5c/0x100
[usbcore]
Jan 1 02:03:56 localhost kernel: [<c0207cdf>] device_attach+0x4f/0x90
Jan 1 02:03:56 localhost kernel: [<cf853838>] hid_driver+0x18/0xa0 [hid]
Jan 1 02:03:56 localhost kernel: [<cf84a0e0>] usb_bus_type+0x0/0x100
[usbcore]
Jan 1 02:03:56 localhost kernel: [<c0207e93>] bus_add_device+0x63/0xb0
Jan 1 02:03:56 localhost kernel: [<c020707f>] device_add+0xcf/0x100
Jan 1 02:03:56 localhost kernel: [<cf832362>] usb_new_device+0x3f2/0x540
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf83e0c8>] +0x90/0x8a8 [usbcore]
Jan 1 02:03:56 localhost kernel: [<cf834247>]
usb_hub_port_connect_change+0x1c7/0x330 [usbcore]
Jan 1 02:03:56 localhost kernel: [<cf8346c6>] usb_hub_events+0x316/0x360
[usbcore]
Jan 1 02:03:56 localhost kernel: [<cf834745>] usb_hub_thread+0x35/0xf0
[usbcore]
Jan 1 02:03:56 localhost kernel: [<c011d900>]
default_wake_function+0x0/0x30
Jan 1 02:03:56 localhost kernel: [<cf84a200>] khubd_wait+0x0/0x8 [usbcore]
Jan 1 02:03:56 localhost kernel: [<cf84a200>] khubd_wait+0x0/0x8 [usbcore]
Jan 1 02:03:56 localhost kernel: [<cf834710>] usb_hub_thread+0x0/0xf0
[usbcore]
Jan 1 02:03:56 localhost kernel: [<c010926d>]
kernel_thread_helper+0x5/0x18
Jan 1 02:03:56 localhost kernel:
Jan 1 02:03:56 localhost kernel: Code: 80 7a 28 00 0f 85 e8 00 00 00 89 fe
c1 ee 08 d1 eb c1 e3 07

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