Public bug reported:
I have a Logitech wireless mouse & keyboard with a USB dongle attached
to the laptop.
$ lsusb | grep Logitech
Bus 001 Device 008: ID 046d:c52b Logitech, Inc. Unifying Receiver
If I unplug it, I get this crash:
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.671626] usb 1-1.2: USB disconnect,
device number 7
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.774916] ------------[ cut here
]------------
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.774929] WARNING: CPU: 3 PID: 1286
at /build/buildd/linux-3.13.0/fs/sysfs/group.c:214
sysfs_remove_group+0xc6/0xd0()
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.774933] sysfs group
ffffffff81cab340 not found for kobject 'hidraw0'
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.774935] Modules linked in: ctr ccm
pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) arc4 iwldvm
mac80211 cdc_mbim snd_hda_codec_hdmi snd_hda_codec_conexant cdc_ncm usbnet
cdc_acm mii cdc_wdm snd_hda_intel snd_hda_codec snd_hwdep snd_pcm intel_rapl
snd_page_alloc x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel joydev
kvm uvcvideo videobuf2_vmalloc videobuf2_memops crct10dif_pclmul videobuf2_core
crc32_pclmul videodev ghash_clmulni_intel aesni_intel aes_x86_64 btusb lrw
gf128mul glue_helper ablk_helper cryptd thinkpad_acpi rfcomm nvram bnep
bluetooth snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq psmouse
snd_seq_device serio_raw iwlwifi snd_timer cfg80211 lpc_ich snd soundcore
mac_hid mei_me mei lp parport hid_logitech_dj usbhid hid ahci libahci i915
firewire_ohci firewire_core sdhci_pci i2c_algo_bit drm_kms_helper sdhci e1000e
crc_itu_t drm ptp pps_core wmi video
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775032] CPU: 3 PID: 1286 Comm:
upowerd Tainted: GF W O 3.13.0-20-generic #42-Ubuntu
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775035] Hardware name: LENOVO
42433ZG/42433ZG, BIOS 8AET64WW (1.44 ) 07/26/2013
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775038] 0000000000000009
ffff88021129fd28 ffffffff81712751 ffff88021129fd70
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775044] ffff88021129fd60
ffffffff810676bd 0000000000000000 ffffffff81cab340
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775050] ffff8801cd2a7410
ffff8802109cf8e8 ffff88020d7b4160 ffff88021129fdc0
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775055] Call Trace:
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775065] [<ffffffff81712751>]
dump_stack+0x45/0x56
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775071] [<ffffffff810676bd>]
warn_slowpath_common+0x7d/0xa0
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775076] [<ffffffff8106772c>]
warn_slowpath_fmt+0x4c/0x50
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775082] [<ffffffff81231b1e>] ?
sysfs_get_dirent_ns+0x4e/0x70
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775087] [<ffffffff81232e06>]
sysfs_remove_group+0xc6/0xd0
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775093] [<ffffffff814928d3>]
dpm_sysfs_remove+0x43/0x50
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775099] [<ffffffff81488305>]
device_del+0x45/0x1c0
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775104] [<ffffffff8148849e>]
device_unregister+0x1e/0x60
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775109] [<ffffffff8148855c>]
device_destroy+0x3c/0x50
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775123] [<ffffffffa020d8e7>]
drop_ref.part.2+0x57/0x70 [hid]
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775133] [<ffffffffa020e231>]
hidraw_release+0xa1/0xc0 [hid]
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775140] [<ffffffff811bc014>]
__fput+0xe4/0x260
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775146] [<ffffffff811bc1de>]
____fput+0xe/0x10
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775153] [<ffffffff81088087>]
task_work_run+0xa7/0xe0
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775160] [<ffffffff81013df7>]
do_notify_resume+0x97/0xb0
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775167] [<ffffffff817233ea>]
int_signal+0x12/0x17
Apr 1 12:49:50 thonov-ubuntu kernel: [25787.775171] ---[ end trace
c157daa9aac14534 ]---
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-generic 3.13.0.20.24
ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
Uname: Linux 3.13.0-20-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: thonov 2063 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Apr 1 12:50:24 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-03-26 (5 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140325.1)
MachineType: LENOVO 42433ZG
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-20-generic
root=UUID=c3c7f36f-ca42-443e-819f-5553fe3d040a ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-20-generic N/A
linux-backports-modules-3.13.0-20-generic N/A
linux-firmware 1.126
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/26/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 8AET64WW (1.44 )
dmi.board.asset.tag: Not Available
dmi.board.name: 42433ZG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8AET64WW(1.44):bd07/26/2013:svnLENOVO:pn42433ZG:pvrThinkPadT520:rvnLENOVO:rn42433ZG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 42433ZG
dmi.product.version: ThinkPad T520
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1300705
Title:
Every time I disconnect Logitech dongle from USB, call trace
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