Just as an extra information, I just rebooted the machine and got
another oops with kernel 2.6.13-rc6-mm2 when I unplugged the USB mouse I
bought.
BTW, I didn't mention it earlier, but I am connecting the USB mouse
through an USB port on the USB keyboard that I am using. I may try later
without using this keyboard and report back.
I noticed the problem when the mouse wasn't firmly connected on the USB
connector. :-(
Anyway, here is an excerpt from the dmesg output:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
(...)
USB Universal Host Controller Interface driver v2.3
ACPI: PCI Interrupt 0000:00:04.2[D] -> Link [LNKD] -> GSI 9 (level, low) -> IRQ
9
uhci_hcd 0000:00:04.2: UHCI Host Controller
uhci_hcd 0000:00:04.2: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:04.2: irq 9, io base 0x0000d400
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:04.3[D] -> Link [LNKD] -> GSI 9 (level, low) -> IRQ
9
uhci_hcd 0000:00:04.3: UHCI Host Controller
uhci_hcd 0000:00:04.3: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:04.3: irq 9, io base 0x0000d000
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
usb 1-1: new full speed USB device using uhci_hcd and address 2
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 2 ports detected
usb 2-2: new full speed USB device using uhci_hcd and address 2
hub 2-2:1.0: USB hub found
hub 2-2:1.0: 4 ports detected
usb 1-1.1: new full speed USB device using uhci_hcd and address 3
usb 2-2.1: new full speed USB device using uhci_hcd and address 3
usbcore: registered new driver hiddev
input: USB HID v1.00 Keyboard [Silitek Silitek USB Keyboard] on
usb-0000:00:04.2-1.1
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
drivers/usb/class/usblp.c: Disabling reads from problem bidirectional printer
on usblp0
drivers/usb/class/usblp.c: usblp0: USB Unidirectional printer dev 3 if 0 alt 1
proto 2 vid 0x03F0 pid 0x0604
usbcore: registered new driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
ieee1394: Initialized config rom entry `ip1394'
ohci1394: $Rev: 1299 $ Ben Collins <[EMAIL PROTECTED]>
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 5
PCI: setting IRQ 5 as level-triggered
ACPI: PCI Interrupt 0000:00:0a.0[A] -> Link [LNKC] -> GSI 5 (level, low) -> IRQ
5
ohci1394: fw-host0: OHCI-1394 1.0 (PCI): IRQ=[5] MMIO=[db800000-db8007ff] Max
Packet=[2048]
ieee1394: Host added: ID:BUS[0-00:1023] GUID[0011066645555ead]
eth1394: $Rev: 1264 $ Ben Collins <[EMAIL PROTECTED]>
eth1394: eth2: IEEE-1394 IPv4 over 1394 Ethernet (fw-host0)
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
eth1: link up, 10Mbps, half-duplex, lpa 0x0000
ACPI: CPU0 (power states: C1[C1] C2[C2])
ACPI: Processor [CPU0] (supports 16 throttling states)
ACPI: Power Button (FF) [PWRF]
ACPI: Power Button (CM) [PWRB]
hde: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
hde: drive_cmd: error=0x04 { DriveStatusError }
ide: failed opcode was: 0xef
usb 1-1.2: new low speed USB device using uhci_hcd and address 4
input: USB HID v1.00 Mouse [USB Wheel Mouse] on usb-0000:00:04.2-1.2
usb 1-1.2: USB disconnect, address 4
BUG: atomic counter underflow at:
[<c01935e9>] kref_put+0x4d/0x68
[<c02a68f4>] klist_dec_and_del+0x12/0x15
[<c02a68a3>] klist_release+0x0/0x3f
[<c02a6904>] klist_remove+0xb/0x15
[<c01f3cb2>] __device_release_driver+0x3a/0x62
[<c01f3cf6>] device_release_driver+0x1c/0x2b
[<c01f374c>] bus_remove_device+0x4f/0x64
[<c01f2b63>] device_del+0x2a/0x56
[<c01f2b9a>] device_unregister+0xb/0x16
[<d8880a9a>] hub_port_connect_change+0x65/0x2f4 [usbcore]
[<d8880f6c>] hub_events+0x243/0x30f [usbcore]
[<d8881038>] hub_thread+0x0/0xcb [usbcore]
[<d8881041>] hub_thread+0x9/0xcb [usbcore]
[<c01240a0>] autoremove_wake_function+0x0/0x3a
[<c0123d7d>] kthread+0x69/0x96
[<c0123d14>] kthread+0x0/0x96
[<c01012a1>] kernel_thread_helper+0x5/0xb
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c02a711c
*pde = 00000000
Oops: 0002 [#1]
last sysfs file: /class/input/mouse1/dev
Modules linked in: thermal fan button processor ac battery eth1394 ohci1394
ieee1394 usblp usbhid uhci_hcd usbcore
CPU: 0
EIP: 0060:[<c02a711c>] Not tainted VLI
EFLAGS: 00010002 (2.6.13-rc6-mm2-1)
EIP is at wait_for_completion+0x45/0x98
eax: c1e6409c ebx: c1e64098 ecx: 00000000 edx: d6d91ec0
esi: c1e64064 edi: d6d91ec8 ebp: d6d91ed0 esp: d6d91eb4
ds: 007b es: 007b ss: 0068
Process khubd (pid: 2433, threadinfo=d6d90000 task=d70cc050)
Stack: 00000001 d70cc050 c0112691 c1e6409c 00000000 c1e640c4 d88934a0 d706a000
c01f3cb2 c1e64088 d754d118 c02c944d d7d674d0 c1e640c8 d88934a0 c1e64064
d706a064 d730e0e0 c01f3cf6 c1e64064 c1e64064 c01f374c c1e64064 c1e640a4
Call Trace:
[<c0112691>] default_wake_function+0x0/0x12
[<c01f3cb2>] __device_release_driver+0x3a/0x62
[<c01f3cf6>] device_release_driver+0x1c/0x2b
[<c01f374c>] bus_remove_device+0x4f/0x64
[<c01f2b63>] device_del+0x2a/0x56
[<c01f2b9a>] device_unregister+0xb/0x16
[<d8880a9a>] hub_port_connect_change+0x65/0x2f4 [usbcore]
[<d8880f6c>] hub_events+0x243/0x30f [usbcore]
[<d8881038>] hub_thread+0x0/0xcb [usbcore]
[<d8881041>] hub_thread+0x9/0xcb [usbcore]
[<c01240a0>] autoremove_wake_function+0x0/0x3a
[<c0123d7d>] kthread+0x69/0x96
[<c0123d14>] kthread+0x0/0x96
[<c01012a1>] kernel_thread_helper+0x5/0xb
Code: ab 8d 55 f0 ab ab ab ab b8 00 e0 ff ff 21 e0 8b 00 83 4d e4 01 c7 45 ec
91 26 11 c0 89 45 e8 8d 43 04 8b 48 04 89 45 f0 89 50 04 <89> 11 89 4d f4 b8 00
e0 ff ff 21 e0 8b 00 c7 00 02 00 00 00 fb
<6>eth1: link up, 10Mbps, half-duplex, lpa 0x0000
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Please, let me know if I can provide any further information on this
issue so that it can be solved. I will also try with other versions of
the kernel and report back what I find.
Oh, as a last note, the mouse *doesn't* work anymore if I reconnect it,
unless I reboot the box, which is quite inconvenient, since I'm doing
some audio-stuff that's taking a reasonable amount of time. :-(
Thanks for any help, Rogério.
--
Rogério Brito : [EMAIL PROTECTED] : http://www.ime.usp.br/~rbrito
Homepage of the algorithms package : http://algorithms.berlios.de
Homepage on freshmeat: http://freshmeat.net/projects/algorithms/
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