Re: Can't unload uhci_hcd module with 2.6.22 -- also oops

"A. Kalten" <[email protected]>
Newsgroups gmane.linux.usb.devel
Message-ID <[email protected]> 
On Wed, 1 Aug 2007 17:19:34 -0400 (EDT)
Alan Stern <[email protected]> wrote:

> 
> There's some useful information here but still not enough.  I've got a
> third patch for you to add in; hopefully we are zeroing in on the
> correct spot.  For this test you don't have to run the non-oopsing
> scenarios.
> 

The patch was applied (along with the previous two patches) and
2.6.22 was recompiled.  Then after a reboot, I performed the same
sequence to generate the oops:

modprobe uhci-hcd
modprobe cdc-acm
mount -t usbfs none /proc/bus/usb

Plug in external modem

umount /proc/bus/usb
rmmod cdc-acm
rmmod uhci-hcd

Here is the kernel log:

17:48:28 (none) kernel: usbcore: create group ffff810079813e00
17:48:28 (none) kernel: Add ffff810079813e10 nousb
17:48:28 (none) kernel: Add ffff810079813e58 use_both_schemes
17:48:28 (none) kernel: Add ffff810079813ea0 old_scheme_first
17:48:28 (none) kernel: Add ffff810079813ee8 blinkenlights
17:48:28 (none) kernel: Add ffff810079813f30 usbfs_snoop
17:48:28 (none) kernel: usbcore: create file ffff810079814e00 initstate
17:48:28 (none) kernel: usbcore: create file ffff810079814e40 refcnt
17:48:28 (none) kernel: usbcore: create group ffff81007986a800
17:48:28 (none) kernel: Add ffff81007986a818 .text
17:48:28 (none) kernel: Add ffff81007986a868 .exit.text
17:48:28 (none) kernel: Add ffff81007986a8b8 .init.text
17:48:28 (none) kernel: Add ffff81007986a908 .rodata
17:48:28 (none) kernel: Add ffff81007986a958 .rodata.str1.8
17:48:28 (none) kernel: Add ffff81007986a9a8 .rodata.str1.1
17:48:28 (none) kernel: Add ffff81007986a9f8 .smp_locks
17:48:28 (none) kernel: Add ffff81007986aa48 __ksymtab
17:48:28 (none) kernel: Add ffff81007986aa98 __ksymtab_gpl
17:48:28 (none) kernel: Add ffff81007986aae8 __param
17:48:28 (none) kernel: Add ffff81007986ab38 __ksymtab_strings
17:48:28 (none) kernel: Add ffff81007986ab88 __ksymtab_gpl_future
17:48:28 (none) kernel: Add ffff81007986abd8 __bug_table
17:48:28 (none) kernel: Add ffff81007986ac28 .data
17:48:28 (none) kernel: Add ffff81007986ac78 .gnu.linkonce.this_module
17:48:28 (none) kernel: Add ffff81007986acc8 .bss
17:48:28 (none) kernel: Add ffff81007986ad18 .symtab
17:48:28 (none) kernel: Add ffff81007986ad68 .strtab
17:48:28 (none) kernel: usb: create file ffffffff8801c6b0 drivers_probe
17:48:28 (none) kernel: usb: create file ffffffff8801c688 drivers_autoprobe
17:48:28 (none) kernel: usbfs: create file ffffffff80478f00 unbind
17:48:28 (none) kernel: usbfs: create file ffffffff80478ec0 bind
17:48:28 (none) kernel: usbcore: registered new interface driver usbfs
17:48:28 (none) kernel: usbfs: create file ffffffff8801c740 new_id
17:48:28 (none) kernel: hub: create file ffffffff80478f00 unbind
17:48:28 (none) kernel: hub: create file ffffffff80478ec0 bind
17:48:28 (none) kernel: usbcore: registered new interface driver hub
17:48:28 (none) kernel: hub: create file ffffffff8801c740 new_id
17:48:28 (none) kernel: usb: create file ffffffff80478f00 unbind
17:48:28 (none) kernel: usb: create file ffffffff80478ec0 bind
17:48:28 (none) kernel: usbcore: registered new device driver usb
17:48:28 (none) kernel: uhci_hcd: create group ffff8100798de340
17:48:28 (none) kernel: Add ffff8100798de350 ignore_oc
17:48:28 (none) kernel: uhci_hcd: create file ffff810079ad4c00 initstate
17:48:28 (none) kernel: uhci_hcd: create file ffff810079ad4c40 refcnt
17:48:28 (none) kernel: uhci_hcd: create group ffff81007986a000
17:48:28 (none) kernel: Add ffff81007986a018 .text
17:48:28 (none) kernel: Add ffff81007986a068 .exit.text
17:48:28 (none) kernel: Add ffff81007986a0b8 .init.text
17:48:28 (none) kernel: Add ffff81007986a108 .rodata
17:48:28 (none) kernel: Add ffff81007986a158 .rodata.str1.8
17:48:28 (none) kernel: Add ffff81007986a1a8 .rodata.str1.1
17:48:28 (none) kernel: Add ffff81007986a1f8 .smp_locks
17:48:28 (none) kernel: Add ffff81007986a248 __param
17:48:28 (none) kernel: Add ffff81007986a298 .data
17:48:28 (none) kernel: Add ffff81007986a2e8 .gnu.linkonce.this_module
17:48:28 (none) kernel: Add ffff81007986a338 .bss
17:48:28 (none) kernel: Add ffff81007986a388 .symtab
17:48:28 (none) kernel: Add ffff81007986a3d8 .strtab
17:48:28 (none) kernel: USB Universal Host Controller Interface driver v3.0
17:48:28 (none) kernel: ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 20 (level, low) -> IRQ 20
17:48:28 (none) kernel: PCI: Setting latency timer of device 0000:00:1d.0 to 64
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.0: UHCI Host Controller
17:48:28 (none) kernel: 0000:00:1d.0: create file ffffffff804799e0 pools
17:48:28 (none) kernel: usb_host1: create file ffff81007fee0710 uevent
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.0: irq 20, io base 0x00006000
17:48:28 (none) kernel: usb1: create file ffff81007f5f1a08 uevent
17:48:28 (none) kernel: usb1: create file ffff81007f791440 dev
17:48:28 (none) kernel: usb1: create group ffffffff80479960
17:48:28 (none) kernel: Add ffffffff80479980 wakeup
17:48:28 (none) kernel: usb1: create group ffffffff8801c870
17:48:28 (none) kernel: Add ffffffff8801cb20 configuration
17:48:28 (none) kernel: Add ffffffff8801cb60 bNumInterfaces
17:48:28 (none) kernel: Add ffffffff8801cba0 bConfigurationValue
17:48:28 (none) kernel: Add ffffffff8801cbe0 bmAttributes
17:48:28 (none) kernel: Add ffffffff8801cc20 bMaxPower
17:48:28 (none) kernel: Add ffffffff8801cc60 idVendor
17:48:28 (none) kernel: Add ffffffff8801cca0 idProduct
17:48:28 (none) kernel: Add ffffffff8801cce0 bcdDevice
17:48:28 (none) kernel: Add ffffffff8801cd20 bDeviceClass
17:48:28 (none) kernel: Add ffffffff8801cd60 bDeviceSubClass
17:48:28 (none) kernel: Add ffffffff8801cda0 bDeviceProtocol
17:48:28 (none) kernel: Add ffffffff8801cde0 bNumConfigurations
17:48:28 (none) kernel: Add ffffffff8801ce20 bMaxPacketSize0
17:48:28 (none) kernel: Add ffffffff8801ce60 speed
17:48:28 (none) kernel: Add ffffffff8801cea0 busnum
17:48:28 (none) kernel: Add ffffffff8801cee0 devnum
17:48:28 (none) kernel: Add ffffffff8801cf20 version
17:48:28 (none) kernel: Add ffffffff8801cf60 maxchild
17:48:28 (none) kernel: Add ffffffff8801cfa0 quirks
17:48:28 (none) kernel: usb1: create file ffffffff8801c7c0 manufacturer
17:48:28 (none) kernel: usb1: create file ffffffff8801c800 product
17:48:28 (none) kernel: usb1: create file ffffffff8801c840 serial
17:48:28 (none) kernel: usbdev1.1_ep00: create file ffff81007f5b7990 uevent
17:48:28 (none) kernel: usbdev1.1_ep00: create file ffff81007f791280 dev
17:48:28 (none) kernel: usbdev1.1_ep00: create group ffffffff80479960
17:48:28 (none) kernel: Add ffffffff80479980 wakeup
17:48:28 (none) kernel: usbdev1.1_ep00: create group ffffffff8801cfe0
17:48:28 (none) kernel: Add ffffffff8801d0a0 bLength
17:48:28 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:48:28 (none) kernel: Add ffffffff8801d120 bmAttributes
17:48:28 (none) kernel: Add ffffffff8801d160 bInterval
17:48:28 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:48:28 (none) kernel: Add ffffffff8801d1e0 interval
17:48:28 (none) kernel: Add ffffffff8801d220 type
17:48:28 (none) kernel: Add ffffffff8801d260 direction
17:48:28 (none) kernel: usb usb1: configuration #1 chosen from 1 choice
17:48:28 (none) kernel: 1-0:1.0: create file ffff81007f5b75a0 uevent
17:48:28 (none) kernel: 1-0:1.0: create group ffffffff80479960
17:48:28 (none) kernel: Add ffffffff80479980 wakeup
17:48:28 (none) kernel: hub 1-0:1.0: USB hub found
17:48:28 (none) kernel: hub 1-0:1.0: 2 ports detected
17:48:28 (none) kernel: hub 1-0:1.0: Create sysfs intf files
17:48:28 (none) kernel: 1-0:1.0: create group ffffffff8801c7b0
17:48:28 (none) kernel: Add ffffffff8801c960 bInterfaceNumber
17:48:28 (none) kernel: Add ffffffff8801c9a0 bAlternateSetting
17:48:28 (none) kernel: Add ffffffff8801c9e0 bNumEndpoints
17:48:28 (none) kernel: Add ffffffff8801ca20 bInterfaceClass
17:48:28 (none) kernel: Add ffffffff8801ca60 bInterfaceSubClass
17:48:28 (none) kernel: Add ffffffff8801caa0 bInterfaceProtocol
17:48:28 (none) kernel: Add ffffffff8801cae0 modalias
17:48:28 (none) kernel: usbdev1.1_ep81: create file ffff81007f5b7190 uevent
17:48:28 (none) kernel: usbdev1.1_ep81: create file ffff81007f7913c0 dev
17:48:28 (none) kernel: usbdev1.1_ep81: create group ffffffff80479960
17:48:28 (none) kernel: Add ffffffff80479980 wakeup
17:48:28 (none) kernel: usbdev1.1_ep81: create group ffffffff8801cfe0
17:48:28 (none) kernel: Add ffffffff8801d0a0 bLength
17:48:28 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:48:28 (none) kernel: Add ffffffff8801d120 bmAttributes
17:48:28 (none) kernel: Add ffffffff8801d160 bInterval
17:48:28 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:48:28 (none) kernel: Add ffffffff8801d1e0 interval
17:48:28 (none) kernel: Add ffffffff8801d220 type
17:48:28 (none) kernel: Add ffffffff8801d260 direction
17:48:28 (none) kernel: ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 17 (level, low) -> IRQ 17
17:48:28 (none) kernel: PCI: Setting latency timer of device 0000:00:1d.1 to 64
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.1: UHCI Host Controller
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.1: irq 17, io base 0x00006400
17:48:28 (none) kernel: usb usb2: configuration #1 chosen from 1 choice
17:48:28 (none) kernel: hub 2-0:1.0: USB hub found
17:48:28 (none) kernel: hub 2-0:1.0: 2 ports detected
17:48:28 (none) kernel: hub 2-0:1.0: Create sysfs intf files
17:48:28 (none) kernel: ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
17:48:28 (none) kernel: PCI: Setting latency timer of device 0000:00:1d.2 to 64
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.2: UHCI Host Controller
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3
17:48:28 (none) kernel: uhci_hcd 0000:00:1d.2: irq 18, io base 0x00006800
17:48:28 (none) kernel: usb usb3: configuration #1 chosen from 1 choice
17:48:28 (none) kernel: hub 3-0:1.0: USB hub found
17:48:28 (none) kernel: hub 3-0:1.0: 2 ports detected
17:48:29 (none) kernel: hub 3-0:1.0: Create sysfs intf files
17:48:29 (none) kernel: ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 19 (level, low) -> IRQ 19
17:48:29 (none) kernel: PCI: Setting latency timer of device 0000:00:1d.3 to 64
17:48:29 (none) kernel: uhci_hcd 0000:00:1d.3: UHCI Host Controller
17:48:29 (none) kernel: uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4
17:48:29 (none) kernel: uhci_hcd 0000:00:1d.3: irq 19, io base 0x00007000
17:48:29 (none) kernel: usb usb4: configuration #1 chosen from 1 choice
17:48:29 (none) kernel: hub 4-0:1.0: USB hub found
17:48:29 (none) kernel: hub 4-0:1.0: 2 ports detected
17:48:29 (none) kernel: hub 4-0:1.0: Create sysfs intf files
17:48:29 (none) kernel: usbcore: registered new interface driver cdc_acm
17:48:29 (none) kernel: drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for USB modems and ISDN adapters
17:48:43 (none) kernel: usb 2-2: new full speed USB device using uhci_hcd and address 2
17:48:43 (none) kernel: usb 2-2: configuration #2 chosen from 2 choices
17:48:44 (none) kernel: 2-2:2.0: create file ffff81007cfd51a0 uevent
17:48:44 (none) kernel: 2-2:2.0: create group ffffffff80479960
17:48:44 (none) kernel: Add ffffffff80479980 wakeup
17:48:44 (none) kernel: 2-2:2.0: create file ffffffff8802a440 bmCapabilities
17:48:44 (none) kernel: cdc_acm 2-2:2.0: ttyACM0: USB ACM device
17:48:44 (none) kernel: ttyACM0: create file ffff81007cffb980 uevent
17:48:44 (none) kernel: ttyACM0: create file ffff81007a620dc0 dev
17:48:44 (none) kernel: ttyACM0: create group ffffffff80479960
17:48:44 (none) kernel: Add ffffffff80479980 wakeup
17:48:44 (none) kernel: cdc_acm 2-2:2.0: Create sysfs intf files
17:48:44 (none) kernel: 2-2:2.0: create group ffffffff8801c7b0
17:48:44 (none) kernel: Add ffffffff8801c960 bInterfaceNumber
17:48:44 (none) kernel: Add ffffffff8801c9a0 bAlternateSetting
17:48:44 (none) kernel: Add ffffffff8801c9e0 bNumEndpoints
17:48:44 (none) kernel: Add ffffffff8801ca20 bInterfaceClass
17:48:44 (none) kernel: Add ffffffff8801ca60 bInterfaceSubClass
17:48:44 (none) kernel: Add ffffffff8801caa0 bInterfaceProtocol
17:48:44 (none) kernel: Add ffffffff8801cae0 modalias
17:48:44 (none) kernel: 2-2:2.0: create file ffffffff8801c780 interface
17:48:44 (none) kernel: usbdev2.2_ep84: create file ffff81007cffb590 uevent
17:48:44 (none) kernel: usbdev2.2_ep84: create file ffff81007cfba140 dev
17:48:44 (none) kernel: usbdev2.2_ep84: create group ffffffff80479960
17:48:44 (none) kernel: Add ffffffff80479980 wakeup
17:48:44 (none) kernel: usbdev2.2_ep84: create group ffffffff8801cfe0
17:48:44 (none) kernel: Add ffffffff8801d0a0 bLength
17:48:44 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:48:44 (none) kernel: Add ffffffff8801d120 bmAttributes
17:48:44 (none) kernel: Add ffffffff8801d160 bInterval
17:48:44 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:48:44 (none) kernel: Add ffffffff8801d1e0 interval
17:48:44 (none) kernel: Add ffffffff8801d220 type
17:48:44 (none) kernel: Add ffffffff8801d260 direction
17:48:44 (none) kernel: 2-2:2.1: create file ffff81007cffbda0 uevent
17:48:44 (none) kernel: 2-2:2.1: create group ffffffff80479960
17:48:44 (none) kernel: Add ffffffff80479980 wakeup
17:48:44 (none) kernel: cdc_acm 2-2:2.1: Create sysfs intf files
17:48:44 (none) kernel: 2-2:2.1: create group ffffffff8801c7b0
17:48:44 (none) kernel: Add ffffffff8801c960 bInterfaceNumber
17:48:44 (none) kernel: Add ffffffff8801c9a0 bAlternateSetting
17:48:44 (none) kernel: Add ffffffff8801c9e0 bNumEndpoints
17:48:44 (none) kernel: Add ffffffff8801ca20 bInterfaceClass
17:48:44 (none) kernel: Add ffffffff8801ca60 bInterfaceSubClass
17:48:44 (none) kernel: Add ffffffff8801caa0 bInterfaceProtocol
17:48:44 (none) kernel: Add ffffffff8801cae0 modalias
17:48:44 (none) kernel: 2-2:2.1: create file ffffffff8801c780 interface
17:48:44 (none) kernel: usbdev2.2_ep02: create file ffff81007cffb190 uevent
17:48:44 (none) kernel: usbdev2.2_ep02: create file ffff81007fede1c0 dev
17:48:44 (none) kernel: usbdev2.2_ep02: create group ffffffff80479960
17:48:44 (none) kernel: Add ffffffff80479980 wakeup
17:48:44 (none) kernel: usbdev2.2_ep02: create group ffffffff8801cfe0
17:48:44 (none) kernel: Add ffffffff8801d0a0 bLength
17:48:44 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:48:44 (none) kernel: Add ffffffff8801d120 bmAttributes
17:48:44 (none) kernel: Add ffffffff8801d160 bInterval
17:48:44 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:48:44 (none) kernel: Add ffffffff8801d1e0 interval
17:48:44 (none) kernel: Add ffffffff8801d220 type
17:48:44 (none) kernel: Add ffffffff8801d260 direction
17:48:44 (none) kernel: usbdev2.2_ep86: create file ffff8100798b7d90 uevent
17:48:44 (none) kernel: usbdev2.2_ep86: create file ffff81007bb63d00 dev
17:48:44 (none) kernel: usbdev2.2_ep86: create group ffffffff80479960
17:48:44 (none) kernel: Add ffffffff80479980 wakeup
17:48:44 (none) kernel: usbdev2.2_ep86: create group ffffffff8801cfe0
17:48:44 (none) kernel: Add ffffffff8801d0a0 bLength
17:48:44 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:48:44 (none) kernel: Add ffffffff8801d120 bmAttributes
17:48:44 (none) kernel: Add ffffffff8801d160 bInterval
17:48:44 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:48:44 (none) kernel: Add ffffffff8801d1e0 interval
17:48:44 (none) kernel: Add ffffffff8801d220 type
17:48:44 (none) kernel: Add ffffffff8801d260 direction
17:50:12 (none) kernel: usbcore: deregistering interface driver cdc_acm
17:50:12 (none) kernel: ttyACM0: before remove uevent
17:50:12 (none) kernel: ttyACM0: remove file ffff81007cffb980
17:50:12 (none) kernel: after remove uevent
17:50:12 (none) kernel: ttyACM0: before remove power
17:50:12 (none) kernel: ttyACM0: remove group ffffffff80479960
17:50:12 (none) kernel: Remove ffffffff80479980
17:50:12 (none) kernel: after remove power
17:50:12 (none) kernel: cdc_acm 2-2:2.1: Remove sysfs intf files
17:50:12 (none) kernel: usbdev2.2_ep02: remove group ffffffff8801cfe0
17:50:12 (none) kernel: Remove ffffffff8801d0a0
17:50:12 (none) kernel: Remove ffffffff8801d0e0
17:50:12 (none) kernel: Remove ffffffff8801d120
17:50:12 (none) kernel: Remove ffffffff8801d160
17:50:12 (none) kernel: Remove ffffffff8801d1a0
17:50:12 (none) kernel: Remove ffffffff8801d1e0
17:50:12 (none) kernel: Remove ffffffff8801d220
17:50:12 (none) kernel: Remove ffffffff8801d260
17:50:12 (none) kernel: usbdev2.2_ep02: remove file ffff81007fede1c0
17:50:12 (none) kernel: usbdev2.2_ep02: before remove uevent
17:50:12 (none) kernel: usbdev2.2_ep02: remove file ffff81007cffb190
17:50:12 (none) kernel: after remove uevent
17:50:12 (none) kernel: usbdev2.2_ep02: before remove power
17:50:12 (none) kernel: usbdev2.2_ep02: remove group ffffffff80479960
17:50:12 (none) kernel: Remove ffffffff80479980
17:50:12 (none) kernel: after remove power
17:50:12 (none) kernel: usbdev2.2_ep86: remove group ffffffff8801cfe0
17:50:12 (none) kernel: Remove ffffffff8801d0a0
17:50:12 (none) kernel: Remove ffffffff8801d0e0
17:50:12 (none) kernel: Remove ffffffff8801d120
17:50:12 (none) kernel: Remove ffffffff8801d160
17:50:12 (none) kernel: Remove ffffffff8801d1a0
17:50:12 (none) kernel: Remove ffffffff8801d1e0
17:50:12 (none) kernel: Remove ffffffff8801d220
17:50:12 (none) kernel: Remove ffffffff8801d260
17:50:12 (none) kernel: usbdev2.2_ep86: remove file ffff81007bb63d00
17:50:12 (none) kernel: usbdev2.2_ep86: before remove uevent
17:50:12 (none) kernel: usbdev2.2_ep86: remove file ffff8100798b7d90
17:50:12 (none) kernel: after remove uevent
17:50:12 (none) kernel: usbdev2.2_ep86: before remove power
17:50:12 (none) kernel: usbdev2.2_ep86: remove group ffffffff80479960
17:50:12 (none) kernel: Remove ffffffff80479980
17:50:12 (none) kernel: after remove power
17:50:12 (none) kernel: 2-2:2.1: remove file ffffffff8801c780
17:50:12 (none) kernel: 2-2:2.1: remove group ffffffff8801c7b0
17:50:12 (none) kernel: Remove ffffffff8801c960
17:50:12 (none) kernel: Remove ffffffff8801c9a0
17:50:12 (none) kernel: Remove ffffffff8801c9e0
17:50:12 (none) kernel: Remove ffffffff8801ca20
17:50:12 (none) kernel: Remove ffffffff8801ca60
17:50:12 (none) kernel: Remove ffffffff8801caa0
17:50:12 (none) kernel: Remove ffffffff8801cae0
17:50:12 (none) kernel: cdc_acm 2-2:2.1: Create sysfs intf files
17:50:12 (none) kernel: 2-2:2.1: create group ffffffff8801c7b0
17:50:12 (none) kernel: Add ffffffff8801c960 bInterfaceNumber
17:50:12 (none) kernel: Add ffffffff8801c9a0 bAlternateSetting
17:50:12 (none) kernel: Add ffffffff8801c9e0 bNumEndpoints
17:50:12 (none) kernel: Add ffffffff8801ca20 bInterfaceClass
17:50:12 (none) kernel: Add ffffffff8801ca60 bInterfaceSubClass
17:50:12 (none) kernel: Add ffffffff8801caa0 bInterfaceProtocol
17:50:12 (none) kernel: Add ffffffff8801cae0 modalias
17:50:12 (none) kernel: 2-2:2.1: create file ffffffff8801c780 interface
17:50:12 (none) kernel: usbdev2.2_ep02: create file ffff8100798b7d90 uevent
17:50:12 (none) kernel: usbdev2.2_ep02: create file ffff81007bb63d00 dev
17:50:12 (none) kernel: usbdev2.2_ep02: create group ffffffff80479960
17:50:12 (none) kernel: Add ffffffff80479980 wakeup
17:50:12 (none) kernel: usbdev2.2_ep02: create group ffffffff8801cfe0
17:50:12 (none) kernel: Add ffffffff8801d0a0 bLength
17:50:12 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:50:12 (none) kernel: Add ffffffff8801d120 bmAttributes
17:50:12 (none) kernel: Add ffffffff8801d160 bInterval
17:50:12 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:50:12 (none) kernel: Add ffffffff8801d1e0 interval
17:50:12 (none) kernel: Add ffffffff8801d220 type
17:50:12 (none) kernel: Add ffffffff8801d260 direction
17:50:12 (none) kernel: usbdev2.2_ep86: create file ffff81007cffb190 uevent
17:50:12 (none) kernel: usbdev2.2_ep86: create file ffff81007a620ac0 dev
17:50:12 (none) kernel: usbdev2.2_ep86: create group ffffffff80479960
17:50:12 (none) kernel: Add ffffffff80479980 wakeup
17:50:12 (none) kernel: usbdev2.2_ep86: create group ffffffff8801cfe0
17:50:12 (none) kernel: Add ffffffff8801d0a0 bLength
17:50:12 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:50:12 (none) kernel: Add ffffffff8801d120 bmAttributes
17:50:12 (none) kernel: Add ffffffff8801d160 bInterval
17:50:12 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:50:12 (none) kernel: Add ffffffff8801d1e0 interval
17:50:12 (none) kernel: Add ffffffff8801d220 type
17:50:12 (none) kernel: Add ffffffff8801d260 direction
17:50:12 (none) kernel: cdc_acm 2-2:2.0: Remove sysfs intf files
17:50:12 (none) kernel: usbdev2.2_ep84: remove group ffffffff8801cfe0
17:50:12 (none) kernel: Remove ffffffff8801d0a0
17:50:12 (none) kernel: Remove ffffffff8801d0e0
17:50:12 (none) kernel: Remove ffffffff8801d120
17:50:12 (none) kernel: Remove ffffffff8801d160
17:50:12 (none) kernel: Remove ffffffff8801d1a0
17:50:12 (none) kernel: Remove ffffffff8801d1e0
17:50:12 (none) kernel: Remove ffffffff8801d220
17:50:12 (none) kernel: Remove ffffffff8801d260
17:50:12 (none) kernel: usbdev2.2_ep84: remove file ffff81007cfba140
17:50:12 (none) kernel: usbdev2.2_ep84: before remove uevent
17:50:12 (none) kernel: usbdev2.2_ep84: remove file ffff81007cffb590
17:50:12 (none) kernel: after remove uevent
17:50:12 (none) kernel: usbdev2.2_ep84: before remove power
17:50:12 (none) kernel: usbdev2.2_ep84: remove group ffffffff80479960
17:50:12 (none) kernel: Remove ffffffff80479980
17:50:12 (none) kernel: after remove power
17:50:12 (none) kernel: 2-2:2.0: remove file ffffffff8801c780
17:50:12 (none) kernel: 2-2:2.0: remove group ffffffff8801c7b0
17:50:12 (none) kernel: Remove ffffffff8801c960
17:50:12 (none) kernel: Remove ffffffff8801c9a0
17:50:12 (none) kernel: Remove ffffffff8801c9e0
17:50:12 (none) kernel: Remove ffffffff8801ca20
17:50:12 (none) kernel: Remove ffffffff8801ca60
17:50:12 (none) kernel: Remove ffffffff8801caa0
17:50:12 (none) kernel: Remove ffffffff8801cae0
17:50:12 (none) kernel: cdc_acm 2-2:2.0: Create sysfs intf files
17:50:12 (none) kernel: 2-2:2.0: create group ffffffff8801c7b0
17:50:12 (none) kernel: Add ffffffff8801c960 bInterfaceNumber
17:50:12 (none) kernel: Add ffffffff8801c9a0 bAlternateSetting
17:50:12 (none) kernel: Add ffffffff8801c9e0 bNumEndpoints
17:50:12 (none) kernel: Add ffffffff8801ca20 bInterfaceClass
17:50:12 (none) kernel: Add ffffffff8801ca60 bInterfaceSubClass
17:50:12 (none) kernel: Add ffffffff8801caa0 bInterfaceProtocol
17:50:12 (none) kernel: Add ffffffff8801cae0 modalias
17:50:12 (none) kernel: 2-2:2.0: create file ffffffff8801c780 interface
17:50:12 (none) kernel: usbdev2.2_ep84: create file ffff81007cffb590 uevent
17:50:12 (none) kernel: usbdev2.2_ep84: create file ffff81007cfba140 dev
17:50:12 (none) kernel: usbdev2.2_ep84: create group ffffffff80479960
17:50:12 (none) kernel: Add ffffffff80479980 wakeup
17:50:12 (none) kernel: usbdev2.2_ep84: create group ffffffff8801cfe0
17:50:12 (none) kernel: Add ffffffff8801d0a0 bLength
17:50:12 (none) kernel: Add ffffffff8801d0e0 bEndpointAddress
17:50:12 (none) kernel: Add ffffffff8801d120 bmAttributes
17:50:12 (none) kernel: Add ffffffff8801d160 bInterval
17:50:12 (none) kernel: Add ffffffff8801d1a0 wMaxPacketSize
17:50:12 (none) kernel: Add ffffffff8801d1e0 interval
17:50:12 (none) kernel: Add ffffffff8801d220 type
17:50:12 (none) kernel: Add ffffffff8801d260 direction
17:50:12 (none) kernel: cdc_acm: remove group ffff810079aee000
17:50:12 (none) kernel: Remove ffff810079aee018
17:50:12 (none) kernel: Remove ffff810079aee068
17:50:12 (none) kernel: Remove ffff810079aee0b8
17:50:12 (none) kernel: Remove ffff810079aee108
17:50:12 (none) kernel: Remove ffff810079aee158
17:50:12 (none) kernel: Remove ffff810079aee1a8
17:50:12 (none) kernel: Remove ffff810079aee1f8
17:50:12 (none) kernel: Remove ffff810079aee248
17:50:12 (none) kernel: Remove ffff810079aee298
17:50:12 (none) kernel: Remove ffff810079aee2e8
17:50:12 (none) kernel: Remove ffff810079aee338
17:50:12 (none) kernel: Remove ffff810079aee388
17:50:12 (none) kernel: cdc_acm: remove file ffff810079afc800
17:50:12 (none) kernel: cdc_acm: remove file ffff810079afc840
17:50:23 (none) kernel: uhci_hcd: remove file ffffffff80478ec0
17:50:23 (none) kernel: uhci_hcd: remove file ffffffff80478f00
17:50:23 (none) kernel: uhci_hcd 0000:00:1d.3: remove, state 1
17:50:23 (none) kernel: usb usb4: USB disconnect, address 1
17:50:23 (none) kernel: hub 4-0:1.0: Remove sysfs intf files
17:50:23 (none) kernel: usbdev4.1_ep81: remove group ffffffff8801cfe0
17:50:23 (none) kernel: Remove ffffffff8801d0a0
17:50:23 (none) kernel: Remove ffffffff8801d0e0
17:50:23 (none) kernel: Remove ffffffff8801d120
17:50:23 (none) kernel: Remove ffffffff8801d160
17:50:23 (none) kernel: Remove ffffffff8801d1a0
17:50:23 (none) kernel: Remove ffffffff8801d1e0
17:50:23 (none) kernel: Remove ffffffff8801d220
17:50:23 (none) kernel: Remove ffffffff8801d260
17:50:23 (none) kernel: usbdev4.1_ep81: remove file ffff81007bb63b00
17:50:23 (none) kernel: usbdev4.1_ep81: before remove uevent
17:50:23 (none) kernel: usbdev4.1_ep81: remove file ffff810079adf990
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev4.1_ep81: before remove power
17:50:23 (none) kernel: usbdev4.1_ep81: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: 4-0:1.0: remove file ffffffff8801c780
17:50:23 (none) kernel: 4-0:1.0: remove group ffffffff8801c7b0
17:50:23 (none) kernel: Remove ffffffff8801c960
17:50:23 (none) kernel: Remove ffffffff8801c9a0
17:50:23 (none) kernel: Remove ffffffff8801c9e0
17:50:23 (none) kernel: Remove ffffffff8801ca20
17:50:23 (none) kernel: Remove ffffffff8801ca60
17:50:23 (none) kernel: Remove ffffffff8801caa0
17:50:23 (none) kernel: Remove ffffffff8801cae0
17:50:23 (none) kernel: 4-0:1.0: before remove uevent
17:50:23 (none) kernel: 4-0:1.0: remove file ffff810079adfda0
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: 4-0:1.0: before remove power
17:50:23 (none) kernel: 4-0:1.0: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: usb4: before remove uevent
17:50:23 (none) kernel: usb4: remove file ffff81007c2d7208
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev4.1: remove file ffff81007bb63b40
17:50:23 (none) kernel: usbdev4.1: before remove uevent
17:50:23 (none) kernel: usbdev4.1: remove file ffff810079adf580
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev4.1: before remove power
17:50:23 (none) kernel: usbdev4.1: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: usbdev4.1_ep00: remove group ffffffff8801cfe0
17:50:23 (none) kernel: Remove ffffffff8801d0a0
17:50:23 (none) kernel: Remove ffffffff8801d0e0
17:50:23 (none) kernel: Remove ffffffff8801d120
17:50:23 (none) kernel: Remove ffffffff8801d160
17:50:23 (none) kernel: Remove ffffffff8801d1a0
17:50:23 (none) kernel: Remove ffffffff8801d1e0
17:50:23 (none) kernel: Remove ffffffff8801d220
17:50:23 (none) kernel: Remove ffffffff8801d260
17:50:23 (none) kernel: usbdev4.1_ep00: remove file ffff81007bb63a40
17:50:23 (none) kernel: usbdev4.1_ep00: before remove uevent
17:50:23 (none) kernel: usbdev4.1_ep00: remove file ffff810079a12190
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev4.1_ep00: before remove power
17:50:23 (none) kernel: usbdev4.1_ep00: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: usb4: remove file ffffffff8801c7c0
17:50:23 (none) kernel: usb4: remove file ffffffff8801c800
17:50:23 (none) kernel: usb4: remove file ffffffff8801c840
17:50:23 (none) kernel: usb4: remove group ffffffff8801c870
17:50:23 (none) kernel: Remove ffffffff8801cb20
17:50:23 (none) kernel: Remove ffffffff8801cb60
17:50:23 (none) kernel: Remove ffffffff8801cba0
17:50:23 (none) kernel: Remove ffffffff8801cbe0
17:50:23 (none) kernel: Remove ffffffff8801cc20
17:50:23 (none) kernel: Remove ffffffff8801cc60
17:50:23 (none) kernel: Remove ffffffff8801cca0
17:50:23 (none) kernel: Remove ffffffff8801cce0
17:50:23 (none) kernel: Remove ffffffff8801cd20
17:50:23 (none) kernel: Remove ffffffff8801cd60
17:50:23 (none) kernel: Remove ffffffff8801cda0
17:50:23 (none) kernel: Remove ffffffff8801cde0
17:50:23 (none) kernel: Remove ffffffff8801ce20
17:50:23 (none) kernel: Remove ffffffff8801ce60
17:50:23 (none) kernel: Remove ffffffff8801cea0
17:50:23 (none) kernel: Remove ffffffff8801cee0
17:50:23 (none) kernel: Remove ffffffff8801cf20
17:50:23 (none) kernel: Remove ffffffff8801cf60
17:50:23 (none) kernel: Remove ffffffff8801cfa0
17:50:23 (none) kernel: usb4: before remove power
17:50:23 (none) kernel: usb4: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: uhci_hcd 0000:00:1d.3: USB bus 4 deregistered
17:50:23 (none) kernel: usb_host4: remove file ffff81007f517250
17:50:23 (none) kernel: 0000:00:1d.3: remove file ffffffff804799e0
17:50:23 (none) kernel: ACPI: PCI interrupt for device 0000:00:1d.3 disabled
17:50:23 (none) kernel: uhci_hcd 0000:00:1d.2: remove, state 1
17:50:23 (none) kernel: usb usb3: USB disconnect, address 1
17:50:23 (none) kernel: hub 3-0:1.0: Remove sysfs intf files
17:50:23 (none) kernel: usbdev3.1_ep81: remove group ffffffff8801cfe0
17:50:23 (none) kernel: Remove ffffffff8801d0a0
17:50:23 (none) kernel: Remove ffffffff8801d0e0
17:50:23 (none) kernel: Remove ffffffff8801d120
17:50:23 (none) kernel: Remove ffffffff8801d160
17:50:23 (none) kernel: Remove ffffffff8801d1a0
17:50:23 (none) kernel: Remove ffffffff8801d1e0
17:50:23 (none) kernel: Remove ffffffff8801d220
17:50:23 (none) kernel: Remove ffffffff8801d260
17:50:23 (none) kernel: usbdev3.1_ep81: remove file ffff81007bb63740
17:50:23 (none) kernel: usbdev3.1_ep81: before remove uevent
17:50:23 (none) kernel: usbdev3.1_ep81: remove file ffff81007fed5190
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev3.1_ep81: before remove power
17:50:23 (none) kernel: usbdev3.1_ep81: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: 3-0:1.0: remove file ffffffff8801c780
17:50:23 (none) kernel: 3-0:1.0: remove group ffffffff8801c7b0
17:50:23 (none) kernel: Remove ffffffff8801c960
17:50:23 (none) kernel: Remove ffffffff8801c9a0
17:50:23 (none) kernel: Remove ffffffff8801c9e0
17:50:23 (none) kernel: Remove ffffffff8801ca20
17:50:23 (none) kernel: Remove ffffffff8801ca60
17:50:23 (none) kernel: Remove ffffffff8801caa0
17:50:23 (none) kernel: Remove ffffffff8801cae0
17:50:23 (none) kernel: 3-0:1.0: before remove uevent
17:50:23 (none) kernel: 3-0:1.0: remove file ffff81007fed55a0
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: 3-0:1.0: before remove power
17:50:23 (none) kernel: 3-0:1.0: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: usb3: before remove uevent
17:50:23 (none) kernel: usb3: remove file ffff81007c2d7a08
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev3.1: remove file ffff81007bb637c0
17:50:23 (none) kernel: usbdev3.1: before remove uevent
17:50:23 (none) kernel: usbdev3.1: remove file ffff810079a12d80
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev3.1: before remove power
17:50:23 (none) kernel: usbdev3.1: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: usbdev3.1_ep00: remove group ffffffff8801cfe0
17:50:23 (none) kernel: Remove ffffffff8801d0a0
17:50:23 (none) kernel: Remove ffffffff8801d0e0
17:50:23 (none) kernel: Remove ffffffff8801d120
17:50:23 (none) kernel: Remove ffffffff8801d160
17:50:23 (none) kernel: Remove ffffffff8801d1a0
17:50:23 (none) kernel: Remove ffffffff8801d1e0
17:50:23 (none) kernel: Remove ffffffff8801d220
17:50:23 (none) kernel: Remove ffffffff8801d260
17:50:23 (none) kernel: usbdev3.1_ep00: remove file ffff81007bb636c0
17:50:23 (none) kernel: usbdev3.1_ep00: before remove uevent
17:50:23 (none) kernel: usbdev3.1_ep00: remove file ffff81007fed5990
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev3.1_ep00: before remove power
17:50:23 (none) kernel: usbdev3.1_ep00: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: usb3: remove file ffffffff8801c7c0
17:50:23 (none) kernel: usb3: remove file ffffffff8801c800
17:50:23 (none) kernel: usb3: remove file ffffffff8801c840
17:50:23 (none) kernel: usb3: remove group ffffffff8801c870
17:50:23 (none) kernel: Remove ffffffff8801cb20
17:50:23 (none) kernel: Remove ffffffff8801cb60
17:50:23 (none) kernel: Remove ffffffff8801cba0
17:50:23 (none) kernel: Remove ffffffff8801cbe0
17:50:23 (none) kernel: Remove ffffffff8801cc20
17:50:23 (none) kernel: Remove ffffffff8801cc60
17:50:23 (none) kernel: Remove ffffffff8801cca0
17:50:23 (none) kernel: Remove ffffffff8801cce0
17:50:23 (none) kernel: Remove ffffffff8801cd20
17:50:23 (none) kernel: Remove ffffffff8801cd60
17:50:23 (none) kernel: Remove ffffffff8801cda0
17:50:23 (none) kernel: Remove ffffffff8801cde0
17:50:23 (none) kernel: Remove ffffffff8801ce20
17:50:23 (none) kernel: Remove ffffffff8801ce60
17:50:23 (none) kernel: Remove ffffffff8801cea0
17:50:23 (none) kernel: Remove ffffffff8801cee0
17:50:23 (none) kernel: Remove ffffffff8801cf20
17:50:23 (none) kernel: Remove ffffffff8801cf60
17:50:23 (none) kernel: Remove ffffffff8801cfa0
17:50:23 (none) kernel: usb3: before remove power
17:50:23 (none) kernel: usb3: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: uhci_hcd 0000:00:1d.2: USB bus 3 deregistered
17:50:23 (none) kernel: usb_host3: remove file ffff81007f517750
17:50:23 (none) kernel: 0000:00:1d.2: remove file ffffffff804799e0
17:50:23 (none) kernel: ACPI: PCI interrupt for device 0000:00:1d.2 disabled
17:50:23 (none) kernel: uhci_hcd 0000:00:1d.1: remove, state 1
17:50:23 (none) kernel: usb usb2: USB disconnect, address 1
17:50:23 (none) kernel: usb 2-2: USB disconnect, address 2
17:50:23 (none) kernel: usb 2-2:2.0: Remove sysfs intf files
17:50:23 (none) kernel: usbdev2.2_ep84: remove group ffffffff8801cfe0
17:50:23 (none) kernel: Remove ffffffff8801d0a0
17:50:23 (none) kernel: Remove ffffffff8801d0e0
17:50:23 (none) kernel: Remove ffffffff8801d120
17:50:23 (none) kernel: Remove ffffffff8801d160
17:50:23 (none) kernel: Remove ffffffff8801d1a0
17:50:23 (none) kernel: Remove ffffffff8801d1e0
17:50:23 (none) kernel: Remove ffffffff8801d220
17:50:23 (none) kernel: Remove ffffffff8801d260
17:50:23 (none) kernel: usbdev2.2_ep84: remove file ffff81007cfba140
17:50:23 (none) kernel: usbdev2.2_ep84: before remove uevent
17:50:23 (none) kernel: usbdev2.2_ep84: remove file ffff81007cffb590
17:50:23 (none) kernel: after remove uevent
17:50:23 (none) kernel: usbdev2.2_ep84: before remove power
17:50:23 (none) kernel: usbdev2.2_ep84: remove group ffffffff80479960
17:50:23 (none) kernel: Remove ffffffff80479980
17:50:23 (none) kernel: after remove power
17:50:23 (none) kernel: 2-2:2.0: remove file ffffffff8801c780
17:50:23 (none) kernel: 2-2:2.0: remove group ffffffff8801c7b0
17:50:23 (none) kernel: Remove ffffffff8801c960
17:50:23 (none) kernel: Remove ffffffff8801c9a0
17:50:23 (none) kernel: Remove ffffffff8801c9e0
17:50:23 (none) kernel: Remove ffffffff8801ca20
17:50:23 (none) kernel: Remove ffffffff8801ca60
17:50:23 (none) kernel: Remove ffffffff8801caa0
17:50:23 (none) kernel: Remove ffffffff8801cae0
17:50:23 (none) kernel: 2-2:2.0: before remove uevent
17:50:23 (none) kernel: 2-2:2.0: remove file ffff81007cfd51a0
17:50:23 (none) kernel: Unable to handle kernel paging request at ffffffff8802a440 RIP: 
17:50:23 (none) kernel:  [sysfs_get_name+46/65] sysfs_get_name+0x2e/0x41
17:50:23 (none) kernel: PGD 203067 PUD 205063 PMD 7aa47067 PTE 0
17:50:23 (none) kernel: Oops: 0000 [1] SMP 
17:50:23 (none) kernel: CPU 1 
17:50:23 (none) kernel: Modules linked in: uhci_hcd usbcore
17:50:23 (none) kernel: Pid: 715, comm: rmmod Not tainted 2.6.22 #7
17:50:23 (none) kernel: RIP: 0010:[sysfs_get_name+46/65]  [sysfs_get_name+46/65] sysfs_get_name+0x2e/0x41
17:50:23 (none) kernel: RSP: 0000:ffff810079addcd0  EFLAGS: 00010246
17:50:23 (none) kernel: RAX: ffffffff8802a440 RBX: ffff81007febe780 RCX: 0000000000007fff
17:50:23 (none) kernel: RDX: 0000000000000004 RSI: ffffffff80423b38 RDI: ffff81007febe4a8
17:50:23 (none) kernel: RBP: ffff81007febe4a8 R08: 0000000000000004 R09: 00000000ffffffff
17:50:23 (none) kernel: R10: 0000000000000000 R11: 0000000000000010 R12: ffff81007febe4b0
17:50:23 (none) kernel: R13: ffff8100799da4a8 R14: ffffffff80423b38 R15: ffff81007bd2a088
17:50:23 (none) kernel: FS:  00002aaf492216f0(0000) GS:ffff810002f4d140(0000) knlGS:0000000000000000
17:50:23 (none) kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
17:50:23 (none) kernel: CR2: ffffffff8802a440 CR3: 0000000079a90000 CR4: 00000000000006e0
17:50:23 (none) kernel: Process rmmod (pid: 715, threadinfo ffff810079adc000, task ffff81007f542fc0)
17:50:23 (none) kernel: Stack:  ffffffff8029b6dd ffff81007cfd5020 ffff81007cfd51a0 ffff81007bd2a000
17:50:23 (none) kernel:  ffff81007cfd5110 ffff81007cfd5178 ffffffff80330a87 ffff81007cfd5000
17:50:23 (none) kernel:  ffff81007cfd5000 ffff81007cfd5020 ffffffff80330cbe 0000000000000040
17:50:23 (none) kernel: Call Trace:
17:50:23 (none) kernel:  [sysfs_hash_and_remove+104/295] sysfs_hash_and_remove+0x68/0x127
17:50:23 (none) kernel:  [device_remove_file+37/58] device_remove_file+0x25/0x3a
17:50:23 (none) kernel:  [device_del+415/820] device_del+0x19f/0x334
17:50:23 (none) kernel:  [_end+128974522/2131730856] :usbcore:usb_disable_device+0x97/0x11c
17:50:23 (none) kernel:  [_end+128958961/2131730856] :usbcore:usb_disconnect+0x98/0xee
17:50:23 (none) kernel:  [_end+128958941/2131730856] :usbcore:usb_disconnect+0x84/0xee
17:50:23 (none) kernel:  [_end+128966909/2131730856] :usbcore:usb_remove_hcd+0x85/0xe1
17:50:23 (none) kernel:  [_end+129007874/2131730856] :usbcore:usb_hcd_pci_remove+0x1d/0x89
17:50:23 (none) kernel:  [pci_device_remove+36/77] pci_device_remove+0x24/0x4d
17:50:23 (none) kernel:  [__device_release_driver+130/184] __device_release_driver+0x82/0xb8
17:50:23 (none) kernel:  [driver_detach+252/261] driver_detach+0xfc/0x105
17:50:23 (none) kernel:  [bus_remove_driver+122/157] bus_remove_driver+0x7a/0x9d
17:50:23 (none) kernel:  [pci_unregister_driver+16/129] pci_unregister_driver+0x10/0x81
17:50:23 (none) kernel:  [_end+129096572/2131730856] :uhci_hcd:uhci_hcd_cleanup+0x10/0x2c
17:50:23 (none) kernel:  [sys_delete_module+319/444] sys_delete_module+0x13f/0x1bc
17:50:23 (none) kernel:  [__up_write+29/318] __up_write+0x1d/0x13e
17:50:23 (none) kernel:  [system_call+126/131] system_call+0x7e/0x83
17:50:23 (none) kernel: 
17:50:23 (none) kernel: 
17:50:23 (none) kernel: Code: 48 8b 00 c3 83 fa 20 74 f7 31 c0 0f 1f 00 c3 0f 0b eb fe 41 
17:50:23 (none) kernel: RIP  [sysfs_get_name+46/65] sysfs_get_name+0x2e/0x41
17:50:23 (none) kernel:  RSP <ffff810079addcd0>
17:50:23 (none) kernel: CR2: ffffffff8802a440


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