unplugging an usb keyboard leads to this oops with Gregs usb-2.6 tree,
from a few days ago. The changes from yesterday will probably not fix it.
This is a Thinkpad T40p.
usb 2-2: new low speed USB device using address 2
usbcore: registered new driver hiddev
input: USB HID v1.00 Keyboard [IBM IBM Rapid Access II Keyboard] on usb-0000:00:1d.1-2
input,hiddev96: USB HID v1.00 Device [IBM IBM Rapid Access II Keyboard] on
usb-0000:00:1d.1-2
usbcore: registered new driver hid
drivers/usb/input/hid-core.c: v2.0:USB HID core driver
usb 2-2: USB disconnect, address 2
drivers/usb/input/hid-core.c: can't resubmit intr, 0000:00:1d.1-2/input1, status -19
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
e1a86194
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<e1a86194>] Not tainted
EFLAGS: 00010293 (2.6.6-usbtest-200405101533)
EIP is at usb_ifnum_to_if+0x24/0x40 [usbcore]
eax: 00000000 ebx: dd0e8400 ecx: 00000000 edx: 00000001
esi: 00000002 edi: 00000001 ebp: de1c7c24 esp: de591ef4
ds: 007b es: 007b ss: 0068
Process khubd (pid: 1191, threadinfo=de590000 task=de5b5230)
Stack: de1c7c00 00000000 00000001 e1a8b928 00000000 dd78fe54 dd78fe54 e1c924e0
de1c7c00 de1c7c24 e1a860a2 dd78fe64 e1c92500 c020fa86 dd78fe64 de1c7ccc
c020fb7a dd78fe64 de1c7ccc c020edb2 dd78fe64 de1c7c00 c020ee08 00000001
Call Trace:
[<e1a8b928>] usb_set_interface+0x18/0x120 [usbcore]
[<e1a860a2>] usb_unbind_interface+0x42/0x60 [usbcore]
[<c020fa86>] device_release_driver+0x46/0x50
[<c020fb7a>] bus_remove_device+0x3a/0x70
[<c020edb2>] device_del+0x52/0xa0
[<c020ee08>] device_unregister+0x8/0x10
[<e1a8b7ec>] usb_disable_device+0x7c/0xc0 [usbcore]
[<e1a86afa>] usb_disconnect+0x8a/0xc0 [usbcore]
[<e1a888b0>] hub_port_connect_change+0x90/0x280 [usbcore]
[<e1a80100>] hci_usb_rx_complete+0x580/0x650 [hci_usb]
[<e1a88b84>] hub_events+0xe4/0x2f0 [usbcore]
[<e1a88dda>] hub_thread+0x4a/0xf0 [usbcore]
[<c0116d50>] default_wake_function+0x0/0x10
[<e1a88d90>] hub_thread+0x0/0xf0 [usbcore]
[<c010424d>] kernel_thread_helper+0x5/0x18
Code: 8b 10 8a 52 02 81 e2 ff 00 00 00 39 fa 74 07 41 39 f1 7c e8
Module Size Used by
usbhid 39872 0
edd 10136 0
joydev 9792 0
st 38428 0
sd_mod 20736 0
sr_mod 16676 0
scsi_mod 110156 3 st,sd_mod,sr_mod
ide_cd 38688 0
cdrom 36124 2 sr_mod,ide_cd
nvram 8456 0
usbserial 27632 0
parport_pc 36800 0
lp 10536 0
parport 38088 2 parport_pc,lp
autofs 14848 3
snd_seq_oss 31488 0
snd_seq_midi_event 7680 1 snd_seq_oss
snd_seq 52624 4 snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 58788 0
snd_mixer_oss 19584 1 snd_pcm_oss
cpufreq_userspace 5796 2
speedstep_centrino 7380 0
freq_table 4484 1 speedstep_centrino
thermal 12304 0
processor 17200 2 speedstep_centrino,thermal
fan 4236 0
ipv6 226528 15
button 6680 0
battery 8844 0
ac 5004 0
snd_intel8x0 34472 0
snd_ac97_codec 60548 1 snd_intel8x0
snd_pcm 97928 2 snd_pcm_oss,snd_intel8x0
snd_timer 25732 2 snd_seq,snd_pcm
snd_page_alloc 11524 2 snd_intel8x0,snd_pcm
gameport 4736 1 snd_intel8x0
snd_mpu401_uart 8064 1 snd_intel8x0
snd_rawmidi 25120 1 snd_mpu401_uart
snd_seq_device 8584 3 snd_seq_oss,snd_seq,snd_rawmidi
snd 59780 12
snd_seq_oss,snd_seq_midi_event,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
soundcore 9184 1 snd
l2cap 22532 2
hci_vhci 6912 0
hci_uart 15188 0
hci_usb 12800 0
bluetooth 44772 6 l2cap,hci_vhci,hci_uart,hci_usb
af_packet 20616 2
e1000 79492 0
yenta_socket 19712 0
hw_random 5524 0
ehci_hcd 27524 0
uhci_hcd 29328 0
usbcore 99164 7 usbhid,usbserial,hci_usb,ehci_hcd,uhci_hcd
intel_mch_agp 10256 0
agpgart 31784 1 intel_mch_agp
evdev 8960 0
orinoco_cs 9096 0
ds 17796 5 orinoco_cs
pcmcia_core 59844 3 yenta_socket,orinoco_cs,ds
orinoco 37388 1 orinoco_cs
hermes 8832 2 orinoco_cs,orinoco
dm_mod 40992 0
reiserfs 211280 1
With our 2.6.5 based kernel, this oops occours:
May 12 19:18:10 linux kernel: usb 2-2: USB disconnect, address 2
May 12 19:18:10 linux kernel: Unable to handle kernel paging request at virtual
address e297b080
May 12 19:18:10 linux kernel: printing eip:
May 12 19:18:10 linux kernel: e2973b39
May 12 19:18:10 linux kernel: *pde = 1fe34067
May 12 19:18:10 linux kernel: Oops: 0002 [#1]
May 12 19:18:10 linux kernel: CPU: 0
May 12 19:18:10 linux kernel: EIP: 0060:[__crc_rpc_mkpipe+5016834/7678134]
Tainted: PF
May 12 19:18:10 linux kernel: EIP: 0060:[<e2973b39>] Tainted: PF
May 12 19:18:10 linux kernel: EFLAGS: 00010282 (2.6.5-12.19-default)
May 12 19:18:10 linux kernel: EIP is at hiddev_cleanup+0x19/0x30 [hid]
May 12 19:18:10 linux kernel: eax: 00000060 ebx: dc149420 ecx: c1593700 edx:
e2d3df54
May 12 19:18:10 linux kernel: esi: e297a8e0 edi: c15ff400 ebp: c15ff424 esp:
de439f10
May 12 19:18:11 linux kernel: ds: 007b es: 007b ss: 0068
May 12 19:18:11 linux kernel: Process khubd (pid: 1585, threadinfo=de438000
task=de92a700)
May 12 19:18:11 linux kernel: Stack: cdd7c000 e29718e9 dc126980 e2d28546 dc126994
e297a900 c0219016 dc126994
May 12 19:18:11 linux kernel: c15ff4cc c02190da dc126994 c15ff4cc c0218152
dc126994 c15ff400 c02181a8
May 12 19:18:11 linux kernel: 00000002 e2d2bd8d c15ff440 ffffffff e2d2807e
00000002 00000001 dde9ed80
May 12 19:18:11 linux kernel: Call Trace:
May 12 19:18:11 linux kernel: [__crc_rpc_mkpipe+5008050/7678134]
hid_disconnect+0x89/0xf0 [hid]
May 12 19:18:11 linux kernel: [<e29718e9>] hid_disconnect+0x89/0xf0 [hid]
May 12 19:18:11 linux kernel: [__crc_input_register_device+81699/632039]
usb_unbind_interface+0x56/0x58 [usbcore]
May 12 19:18:11 linux kernel: [<e2d28546>] usb_unbind_interface+0x56/0x58 [usbcore]
May 12 19:18:11 linux kernel: [device_release_driver+70/80]
device_release_driver+0x46/0x50
May 12 19:18:11 linux kernel: [<c0219016>] device_release_driver+0x46/0x50
May 12 19:18:11 linux kernel: [bus_remove_device+58/112] bus_remove_device+0x3a/0x70
May 12 19:18:11 linux kernel: [<c02190da>] bus_remove_device+0x3a/0x70
May 12 19:18:11 linux kernel: [device_del+82/160] device_del+0x52/0xa0
May 12 19:18:11 linux kernel: [<c0218152>] device_del+0x52/0xa0
May 12 19:18:11 linux kernel: [device_unregister+8/16] device_unregister+0x8/0x10
May 12 19:18:11 linux kernel: [<c02181a8>] device_unregister+0x8/0x10
May 12 19:18:11 linux kernel: [__crc_input_register_device+96106/632039]
usb_disable_device+0x7d/0xb0 [usbcore]
May 12 19:18:11 linux kernel: [<e2d2bd8d>] usb_disable_device+0x7d/0xb0 [usbcore]
May 12 19:18:11 linux kernel: [__crc_input_register_device+80475/632039]
usb_disconnect+0xae/0x110 [usbcore]
May 12 19:18:11 linux kernel: [<e2d2807e>] usb_disconnect+0xae/0x110 [usbcore]
May 12 19:18:11 linux kernel: [__crc_input_register_device+87209/632039]
hub_port_connect_change+0x1cc/0x3f0 [usbcore]
May 12 19:18:11 linux kernel: [<e2d29acc>] hub_port_connect_change+0x1cc/0x3f0
[usbcore]
May 12 19:18:11 linux kernel: [__crc_input_register_device+82334/632039]
hub_port_status+0x51/0xe0 [usbcore]
May 12 19:18:11 linux kernel: [<e2d287c1>] hub_port_status+0x51/0xe0 [usbcore]
May 12 19:18:11 linux kernel: [__crc_input_register_device+88448/632039]
hub_thread+0x2b3/0x520 [usbcore]
May 12 19:18:11 linux kernel: [<e2d29fa3>] hub_thread+0x2b3/0x520 [usbcore]
May 12 19:18:11 linux kernel: [default_wake_function+0/16]
default_wake_function+0x0/0x10
May 12 19:18:11 linux kernel: [<c011be40>] default_wake_function+0x0/0x10
May 12 19:18:12 linux kernel: [__crc_input_register_device+87757/632039]
hub_thread+0x0/0x520 [usbcore]
May 12 19:18:12 linux kernel: [<e2d29cf0>] hub_thread+0x0/0x520 [usbcore]
May 12 19:18:12 linux kernel: [kernel_thread_helper+5/16]
kernel_thread_helper+0x5/0x10
May 12 19:18:12 linux kernel: [<c0106005>] kernel_thread_helper+0x5/0x10
--
USB is for mice, FireWire is for men!
sUse lINUX ag, nÃRNBERG
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