In the anticipation you may find the information useful, I have
experienced the following OOPS since updating to the latest kernel.
ohci_hcd 0000:00:02.1: urb eee344a0 path 1 ep3in 5f160000 cc 5 -->
status -110
ohci_hcd 0000:00:02.1: urb eee34520 path 1 ep3in 5f160000 cc 5 -->
status -110
ohci_hcd 0000:00:02.1: urb eee345a0 path 1 ep3in 5f160000 cc 5 -->
status -110
ohci_hcd 0000:00:02.1: urb eee34620 path 1 ep3in 5f160000 cc 5 -->
status -110
ohci_hcd 0000:00:02.1: urb eee346a0 path 1 ep3in 5f160000 cc 5 -->
status -110
ohci_hcd 0000:00:02.1: urb eee34720 path 1 ep3in 5f160000 cc 5 -->
status -110
hub 3-0:1.0: state 7 ports 3 chg 0000 evt 0002
ohci_hcd 0000:00:02.1: GetStatus roothub.portstatus [0] = 0x00020101
PESC PPS CCS
hub 3-0:1.0: port 1 enable change, status 00000101
hub 3-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
hub 3-0:1.0: port 1, status 0101, change 0002, 12 Mb/s
usb 3-1: USB disconnect, address 2
usb 3-1: usb_disable_device nuking all URBs
ohci_hcd 0000:00:02.1: shutdown urb edd1a2e0 pipe 40408280 ep1in-intr
ohci_hcd 0000:00:02.1: urb eee347a0 path 1 ep3in 5f160000 cc 5 -->
status -110
ohci_hcd 0000:00:02.1: shutdown urb eee34820 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee348a0 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee34920 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee349a0 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee34a20 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee342a0 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee34320 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee343a0 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee34420 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee344a0 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee34520 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee345a0 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee34620 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee346a0 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: shutdown urb eee34720 pipe c0418280 ep3in-bulk
ohci_hcd 0000:00:02.1: urb eee34820 path 1 ep3in 5f160000 cc 5 -->
status -110
usb 3-1: unregistering interface 3-1:1.0
usb 3-1:1.0: uevent
usb 3-1: unregistering interface 3-1:1.1
usb 3-1:1.1: uevent
usb 3-1: unregistering device
usb 3-1: uevent
ohci_hcd 0000:00:02.1: GetStatus roothub.portstatus [0] = 0x00100103
PRSC PPS PES CCS
usb 3-1: new full speed USB device using ohci_hcd and address 3
ohci_hcd 0000:00:02.1: GetStatus roothub.portstatus [0] = 0x00100103
PRSC PPS PES CCS
usb 3-1: ep0 maxpacket = 8
usb 3-1: skipped 4 descriptors after endpoint
usb 3-1: default language 0x0409
usb 3-1: new device strings: Mfr=1, Product=2, SerialNumber=0
usb 3-1: Product: OPEN NT1 Plus II
usb 3-1: Manufacturer: OPEN Networks Ltd
usb 3-1: uevent
usb 3-1: device is self-powered
usb 3-1: configuration #1 chosen from 1 choice
usb 3-1: adding 3-1:1.0 (config #1, interface 0)
usb 3-1:1.0: uevent
cdc_acm 3-1:1.0: usb_probe_interface
cdc_acm 3-1:1.0: usb_probe_interface - got id
cdc_acm 3-1:1.0: ttyACM1: USB ACM device
usb 3-1: adding 3-1:1.1 (config #1, interface 1)
usb 3-1:1.1: uevent
drivers/usb/core/inode.c: creating file '003'
hub 3-0:1.0: state 7 ports 3 chg 0000 evt 0002
Unable to handle kernel NULL pointer dereference at virtual address 0000000c
printing eip:
b019ad89
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: ppp_deflate zlib_deflate zlib_inflate bsd_comp
ppp_async crc_ccitt ppp_generic slhc nvidia nfsd exportfs lockd lp vmnet
parport_pc parport vmmon autofs4 w83627hf hwmon_vid hwmon eeprom i2c_isa
sunrpc joydev ipv6 ipt_REJECT xt_limit ipt_LOG xt_state ipt_TCPMSS
xt_tcpudp iptable_filter ipt_MASQUERADE iptable_nat ip_nat ip_conntrack
nfnetlink ip_tables x_tables binfmt_misc ntfs nls_iso8859_1 nls_cp437
vfat fat nls_base usbhid usb_storage cdc_acm usblp ohci1394 ieee1394
sd_mod ohci_hcd ehci_hcd sata_sil nvidia_agp agpgart i2c_nforce2
i2c_core emu10k1_gp gameport snd_emu10k1_synth snd_emux_synth
snd_seq_virmidi snd_seq_midi_emul snd_emu10k1 snd_rawmidi snd_ac97_codec
snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_device snd_timer
snd_page_alloc snd_util_mem snd_hwdep 8139too crc32 forcedeth sata_nv
libata ide_cd cdrom ide_floppy
CPU: 0
EIP: 0060:[<b019ad89>] Tainted: P VLI
EFLAGS: 00210286 (2.6.16 #1)
EIP is at sysfs_hash_and_remove+0x29/0x110
eax: df884000 ebx: b19bdc24 ecx: 00000000 edx: 00000001
esi: 00000000 edi: b19bdc24 ebp: ee98c508 esp: df885e3c
ds: 007b es: 007b ss: 0068
Process wvdial (pid: 5291, threadinfo=df884000 task=df9f1540)
Stack: <0>b19bdc24 ee98c508 dacb0de0 ee242794 ee26eb20 b19bdc24 ee98c500
b19bdc24
ee98c508 b0236e2a ee242794 dacb0de0 b19bdbc0 00000000 dacb0de0
ee98c500
00000010 ee9e7800 dad1c660 b0236ee0 ee98c500 ee9e7800 f0ad41b6
ee98c500
Call Trace:
[<b0236e2a>] class_device_del+0xda/0x180
[<b0236ee0>] class_device_unregister+0x10/0x20
[<f0ad41b6>] acm_tty_unregister+0x26/0x80 [cdc_acm]
[<f0ad517a>] acm_tty_close+0xca/0xd0 [cdc_acm]
[<b0217cec>] release_dev+0x14c/0x790
[<b02fd77e>] lock_kernel+0x2e/0x50
[<b021833e>] tty_release+0xe/0x20
[<b015ff99>] __fput+0xc9/0x200
[<b015cc32>] filp_close+0x52/0x90
[<b015dade>] sys_close+0x7e/0xd0
[<b0102ea7>] sysenter_past_esp+0x54/0x75
Code: 00 00 55 57 56 53 83 ec 14 8b 44 24 28 8b 54 24 2c 89 44 24 0c 89
54 24 08 8b 70 50 8b 40 08 85 c0 74 78 83 c0 70 e8 a7 21 16 00 <8b> 46
0c 8d 68 fc 8b 4d 04 0f 18 01 90 83 c6 0c 89 c3 39 f0 89
BUG: wvdial/5291, lock held at task exit time!
[de14dcac] {inode_init_once}
.. held by: wvdial: 5291 [df9f1540, 115]
... acquired at: sysfs_hash_and_remove+0x29/0x110
--
Tony Cook
Lewiston 5501
Ph. +61 (0)8 8524 3418
Mob. +61 (0)4 2885 2512
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