On Tue, 27 Jun 2006, Linus Torvalds wrote:
>
> There were _no_ kernel messages just before the oops. Not even with USB
> debugging turned on. Of course, they may have been marked "informational",
> and not shown on the console. Every distribution seems to think that debug
> messages are more annoying than useful, so they tend to set the console
> debug level down (even if you boot with "debug" to turn it on!). Gaah!
Ok, with that fixed, I get
hub 4-1:1.0: 300mA power budget left
hub 5-0:1.0: state 7 ports 2 chg 0000 evt 0000
hub 4-1:1.0: state 7 ports 3 chg 0000 evt 0008
usbcore: registered new driver libusual
usbcore: registered new driver hiddev
usbhid 5-1:1.0: usb_probe_interface
usbhid 5-1:1.0: usb_probe_interface - got id
input: HID 05ac:1000 as /class/input/input0
input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1
usbhid 5-1:1.1: usb_probe_interface
usbhid 5-1:1.1: usb_probe_interface - got id
input: HID 05ac:1000 as /class/input/input1
input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1
usbhid 5-2:1.0: usb_probe_interface
usbhid 5-2:1.0: usb_probe_interface - got id
drivers/usb/core/file.c: looking for a minor, starting at 96
PM: Adding info for No Bus:hiddev0
hiddev96: USB HID v1.11 Device [Apple Computer, Inc. IR Receiver] on usb-0000:00:1d.3-2
usbhid 1-6.3:1.0: usb_probe_interface
usbhid 1-6.3:1.0: usb_probe_interface - got id
drivers/usb/core/file.c: looking for a minor, starting at 96
PM: Adding info for No Bus:hiddev1
hiddev97: USB HID v1.11 Device [Apple Cinema Display] on usb-0000:00:1d.7-6.3
usbhid 4-1.1:1.0: usb_probe_interface
usbhid 4-1.1:1.0: usb_probe_interface - got id
input: Mitsumi Electric Apple Optical USB Mouse as /class/input/input2
input: USB HID v1.10 Mouse [Mitsumi Electric Apple Optical USB Mouse] on usb-0000:00:1d.2-1.1
usbhid 4-1.3:1.0: usb_probe_interface
usbhid 4-1.3:1.0: usb_probe_interface - got id
input: Mitsumi Electric Apple Extended USB Keyboard as /class/input/input3
input: USB HID v1.10 Keyboard [Mitsumi Electric Apple Extended USB
Keyboard] on usb-0000:00:1d.2-1.3
usbhid 4-1.3:1.1: usb_probe_interface
usbhid 4-1.3:1.1: usb_probe_interface - got id
input: Mitsumi Electric Apple Extended USB Keyboard as /class/input/input4
input: USB HID v1.10 Device [Mitsumi Electric Apple Extended USB Keyboard] on usb-0000:00:1d.2-1.3
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
PNP: No PS/2 controller found. Probing ports directly.
PM: Adding info for platform:i8042
i8042.c: No controller found.
mice: PS/2 mouse device common for all mice
i2c /dev entries driver
... snip snip, mounting root filesystem etc - time passes ..
usb 5-1: uhci_result_common: failed with status 440000
usb 5-1: usbfs: USBDEVFS_CONTROL failed cmd hid2hci rqt 64 rq 0 len 0 ret -84
usb 5-1: uhci_result_common: failed with status 440000
usbhid 5-1:1.0: retrying intr urb
usb 5-1: uhci_result_common: failed with status 440000
hub 5-0:1.0: state 7 ports 2 chg 0000 evt 0002
uhci_hcd 0000:00:1d.3: port 1 portsc 008a,00
hub 5-0:1.0: port 1, status 0100, change 0003, 12 Mb/s
usb 5-1: USB disconnect, address 2
usb 5-1: usb_disable_device nuking all URBs
usb 5-1: unregistering interface 5-1:1.0
PM: Removing info for No Bus:usbdev5.2_ep81
usbdev5.2_ep81: ep_device_release called for usbdev5.2_ep81
followed by the oops:
BUG: spinlock bad magic on CPU#0, khubd/131
BUG: unable to handle kernel paging request at virtual address 6b6b6c0b
....
which just doesn't tell me anything.
Linus
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