This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1651081
Title:
Kernel Oops when undocking Thinkpad T460p
Status in linux package in Ubuntu:
Confirmed
Bug description:
When I undock my thinkpad from the docking station, I get a kernel
Ooops:
```
[...]
Dez 19 10:49:36 PC-SUJ sudo[3675]: pam_unix(sudo:session): session opened for
user root by (uid=0)
Dez 19 10:49:41 PC-SUJ kernel: usb 1-3: USB disconnect, device number 3
Dez 19 10:49:41 PC-SUJ kernel: usb 1-3.4: USB disconnect, device number 5
Dez 19 10:49:41 PC-SUJ kernel: usb 1-3.4.3: USB disconnect, device number 7
Dez 19 10:49:41 PC-SUJ org.gnome.Shell.desktop[2935]: glibtop(c=2935):
[WARNING] statvfs '/run/user/1000/gvfs/mtp:host=%5Busb%3A001%2C007%5D' failed:
No such file or directory
Dez 19 10:49:41 PC-SUJ kernel: ahci 0000:00:17.0: port does not support
device sleep
Dez 19 10:49:41 PC-SUJ kernel: usb 2-4: USB disconnect, device number 2
Dez 19 10:49:41 PC-SUJ kernel: thinkpad_acpi: undocked from hotplug port
replicator
Dez 19 10:49:41 PC-SUJ kernel: BUG: unable to handle kernel paging request at
fffffffffffffffe
Dez 19 10:49:41 PC-SUJ kernel: IP: [<ffffffff82399377>] device_del+0x17/0x260
Dez 19 10:49:41 PC-SUJ kernel: PGD 176009067 PUD 17600b067 PMD 0
Dez 19 10:49:41 PC-SUJ kernel: Oops: 0000 [#1] SMP
Dez 19 10:49:41 PC-SUJ kernel: Modules linked in: ccm acpi_call(OE) msr
rfcomm cmac bnep uvcvideo btusb videobuf2_vmalloc btrtl videobuf2_memops btbcm
videobuf2_v4l2 btintel videobuf2_core bluetooth videodev media pci_stub vboxpci(
Dez 19 10:49:41 PC-SUJ kernel: tpm_crb mac_hid parport_pc ppdev lp parport
ip_tables x_tables autofs4 btrfs xor raid6_pq hid_logitech_hidpp
hid_logitech_dj usbhid hid rtsx_pci_sdmmc nouveau i915 e1000e mxm_wmi ttm
i2c_algo_bit psm
Dez 19 10:49:41 PC-SUJ kernel: CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G
W OE 4.8.0-32-generic #34-Ubuntu
Dez 19 10:49:41 PC-SUJ kernel: Hardware name: LENOVO 20FWCTO1WW/20FWCTO1WW,
BIOS R07ET67W (2.07 ) 06/07/2016
Dez 19 10:49:41 PC-SUJ kernel: Workqueue: events
drm_dp_destroy_connector_work [drm_kms_helper]
Dez 19 10:49:41 PC-SUJ kernel: task: ffff9b06ddeb8ec0 task.stack:
ffff9b06dda88000
Dez 19 10:49:41 PC-SUJ kernel: RIP: 0010:[<ffffffff82399377>]
[<ffffffff82399377>] device_del+0x17/0x260
Dez 19 10:49:41 PC-SUJ kernel: RSP: 0018:ffff9b06dda8bd10 EFLAGS: 00010282
Dez 19 10:49:41 PC-SUJ kernel: RAX: ffffffffc057ec50 RBX: fffffffffffffffe
RCX: ffff9b06d4db2810
Dez 19 10:49:41 PC-SUJ kernel: RDX: 0000000080000000 RSI: ffff9b06d4db1800
RDI: fffffffffffffffe
Dez 19 10:49:41 PC-SUJ kernel: RBP: ffff9b06dda8bd48 R08: ffff9b0701418a00
R09: 0000000000000000
Dez 19 10:49:41 PC-SUJ kernel: R10: ffff9b06dc49d900 R11: 00000000ad583ee9
R12: fffffffffffffffe
Dez 19 10:49:41 PC-SUJ kernel: R13: ffff9b06d5631a90 R14: ffff9b06d4db6010
R15: ffff9b06d5631698
Dez 19 10:49:41 PC-SUJ kernel: FS: 0000000000000000(0000)
GS:ffff9b0701400000(0000) knlGS:0000000000000000
Dez 19 10:49:41 PC-SUJ kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Dez 19 10:49:41 PC-SUJ kernel: CR2: fffffffffffffffe CR3: 0000000775b4d000
CR4: 00000000003406f0
Dez 19 10:49:41 PC-SUJ kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Dez 19 10:49:41 PC-SUJ kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0
DR7: 0000000000000400
Dez 19 10:49:41 PC-SUJ kernel: Stack:
Dez 19 10:49:41 PC-SUJ kernel: 00000000000000e7 ffff9b070140dba0
0000000000000000 fffffffffffffffe
Dez 19 10:49:41 PC-SUJ kernel: ffff9b06d3ec0000 ffff9b06d5631a90
ffff9b06d4db6010 ffff9b06dda8bd60
Dez 19 10:49:41 PC-SUJ kernel: ffffffff823995da ffff9b06d4db1800
ffff9b06dda8bd78 ffffffffc034d314
Dez 19 10:49:41 PC-SUJ kernel: Call Trace:
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffff823995da>]
device_unregister+0x1a/0x60
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffffc034d314>]
drm_sysfs_connector_remove+0x24/0x50 [drm]
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffffc034f1f7>]
drm_connector_unregister.part.21+0x27/0x40 [drm]
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffffc034f224>]
drm_connector_unregister+0x14/0x20 [drm]
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffffc059956a>]
intel_dp_destroy_mst_connector+0x1a/0x80 [i915]
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffffc03f86c7>]
drm_dp_destroy_connector_work+0xb7/0x160 [drm_kms_helper]
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffff81e9d85c>]
process_one_work+0x1fc/0x4b0
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffff81e9db5b>] worker_thread+0x4b/0x500
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffff81e9db10>] ?
process_one_work+0x4b0/0x4b0
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffff81ea3e58>] kthread+0xd8/0xf0
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffff8269b4df>] ret_from_fork+0x1f/0x40
Dez 19 10:49:41 PC-SUJ kernel: [<ffffffff81ea3d80>] ?
kthread_create_on_node+0x1e0/0x1e0
Dez 19 10:49:41 PC-SUJ kernel: Code: 55 48 89 d7 48 89 e5 e8 98 ff ff ff 5d
c3 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 41 55 41 54 53 49 89 fc
48 83 ec 18 <4c> 8b 2f 65 48 8b 04 25 28 00 00 00 48 89 45 d8 31 c0 48 8b 87
Dez 19 10:49:41 PC-SUJ kernel: RIP [<ffffffff82399377>] device_del+0x17/0x260
Dez 19 10:49:41 PC-SUJ kernel: RSP <ffff9b06dda8bd10>
Dez 19 10:49:41 PC-SUJ kernel: CR2: fffffffffffffffe
Dez 19 10:49:41 PC-SUJ kernel: ---[ end trace f2d900afedbbfc93 ]---
Dez 19 10:49:41 PC-SUJ kernel: BUG: unable to handle kernel paging request at
0000000085e0350e
Dez 19 10:49:41 PC-SUJ kernel: IP: [<ffffffff81ec6a6b>]
__wake_up_common+0x2b/0x80
Dez 19 10:49:41 PC-SUJ kernel: PGD 0
```
```
λ uname -a
Linux PC-SUJ 4.8.0-32-generic #34-Ubuntu SMP Tue Dec 13 14:30:43 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
```
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-32-generic 4.8.0-32.34
ProcVersionSignature: Ubuntu 4.8.0-32.34-generic 4.8.11
Uname: Linux 4.8.0-32-generic x86_64
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: js 2907 F.... pulseaudio
CurrentDesktop: GNOME
Date: Mon Dec 19 11:13:07 2016
HibernationDevice: RESUME=UUID=3f2d3ba3-5950-4a83-99db-38508da371d7
InstallationDate: Installed on 2016-09-01 (108 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
MachineType: LENOVO 20FWCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-32-generic
root=UUID=77154b49-8a83-407d-9187-95599a87f9de ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.8.0-32-generic N/A
linux-backports-modules-4.8.0-32-generic N/A
linux-firmware 1.161.1
SourcePackage: linux
UpgradeStatus: Upgraded to yakkety on 2016-10-28 (52 days ago)
dmi.bios.date: 06/07/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: R07ET67W (2.07 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FWCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40705 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR07ET67W(2.07):bd06/07/2016:svnLENOVO:pn20FWCTO1WW:pvrThinkPadT460p:rvnLENOVO:rn20FWCTO1WW:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FWCTO1WW
dmi.product.version: ThinkPad T460p
dmi.sys.vendor: LENOVO
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