[Bug 1807550] CurrentDmesg.txt

apport information

** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1807550/+attachment/5220521/+files/CurrentDmesg.txt

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Title:
kernel bug

Status in linux package in Ubuntu:
Incomplete

Bug description:
I have this bug with a couple of different kernels including a locally
built version dmesg output follows


[ 15.126210] BUG: unable to handle kernel paging request at 0000000000002d18
[ 15.126213] PGD 0 P4D 0
[ 15.126216] Oops: 0000 [#1] PREEMPT SMP PTI
[ 15.126219] CPU: 0 PID: 39 Comm: kworker/0:2 Not tainted 4.18.171.0 #1
[ 15.126221] Hardware name: Hewlett-Packard HP EliteBook 8460p/161C, BIOS 68SCF Ver. F.67 02/13/2018
[ 15.126226] Workqueue: usb_hub_wq hub_event
[ 15.126231] RIP: 0010:cxusb_disconnect+0x18/0x70 [dvb_usb_cxusb]
[ 15.126232] Code: 85 c0 75 e7 31 c0 48 c7 02 00 00 00 00 5d c3 0f 1f 00 66 66 66 66 90 55 48 89 e5 41 55 41 54 49 89 fc 53 48 8b 87 c8 00 00 00 <4c> 8b a8 18 2d 00 00 49 8b 5d 10 48 85 db 74 18 48 8b 83 a8 00 00
[ 15.126256] RSP: 0000:ffffbd0800e1fbf0 EFLAGS: 00010246
[ 15.126258] RAX: 0000000000000000 RBX: ffff9cdfab1e3830 RCX: 0000000000000000
[ 15.126259] RDX: 0000000000000000 RSI: ffff9cdfab1e3800 RDI: ffff9cdfab1e3800
[ 15.126260] RBP: ffffbd0800e1fc08 R08: 0000000000000000 R09: ffffffff97335400
[ 15.126262] R10: ffff9cdfaef98b28 R11: 0000000000000001 R12: ffff9cdfab1e3800
[ 15.126263] R13: ffffffffc09920a8 R14: ffff9cdfb3cbf800 R15: ffff9cdfb3cbf8a0
[ 15.126265] FS: 0000000000000000(0000) GS:ffff9cdfbdc00000(0000) knlGS:0000000000000000
[ 15.126266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.126268] CR2: 0000000000002d18 CR3: 00000001d3c0a003 CR4: 00000000000606f0
[ 15.126269] Call Trace:
[ 15.126275] usb_unbind_interface+0x7a/0x280
[ 15.126279] device_release_driver_internal+0x18c/0x260
[ 15.126281] device_release_driver+0x12/0x20
[ 15.126283] bus_remove_device+0xec/0x160
[ 15.126286] device_del+0x13b/0x350
[ 15.126288] ? __dev_printk+0x44/0x70
[ 15.126290] usb_disable_device+0x9f/0x270
[ 15.126293] usb_disconnect+0xca/0x2c0
[ 15.126296] hub_event+0xc42/0x15c0
[ 15.126299] ? __switch_to_asm+0x34/0x70
[ 15.126301] ? native_usergs_sysret64+0x1/0x10
[ 15.126305] process_one_work+0x208/0x3f0
[ 15.126308] worker_thread+0x34/0x3f0
[ 15.126311] kthread+0x120/0x140
[ 15.126313] ? rescuer_thread+0x390/0x390
[ 15.126315] ? kthread_create_worker_on_cpu+0x70/0x70
[ 15.126317] ret_from_fork+0x35/0x40
[ 15.126319] Modules linked in: snd_pcm dvb_usb_cxusb videobuf2_v4l2 snd_seq_midi sparse_keymap wmi_bmof kvm videobuf2_common dib0070 snd_seq_midi_event videodev irqbypass dvb_usb dvb_core rc_core iwlwifi crct10dif_pclmul crc32_pclmul snd_rawmidi ghash_clmulni_intel media pcbc snd_seq cfg80211 btusb joydev aesni_intel aes_x86_64 crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf i915 snd_seq_device snd_timer btrtl btbcm btintel drm_kms_helper input_leds serio_raw drm snd bluetooth ecdh_generic soundcore wmi hp_accel mei_me mei lis3lv02d video i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt input_polldev tpm_infineon mac_hid sch_fq_codel cuse sunrpc parport_pc ppdev lp parport ip_tables x_tables autofs4 gpio_ich firewire_ohci firewire_core sdhci_pci cqhci ahci crc_itu_t sdhci libahci
[ 15.126361] lpc_ich psmouse e1000e
[ 15.126364] CR2: 0000000000002d18
[ 15.126367] ---[ end trace 71f2182769f6553a ]---
[ 15.126369] RIP: 0010:cxusb_disconnect+0x18/0x70 [dvb_usb_cxusb]
[ 15.126370] Code: 85 c0 75 e7 31 c0 48 c7 02 00 00 00 00 5d c3 0f 1f 00 66 66 66 66 90 55 48 89 e5 41 55 41 54 49 89 fc 53 48 8b 87 c8 00 00 00 <4c> 8b a8 18 2d 00 00 49 8b 5d 10 48 85 db 74 18 48 8b 83 a8 00 00
[ 15.126394] RSP: 0000:ffffbd0800e1fbf0 EFLAGS: 00010246
[ 15.126396] RAX: 0000000000000000 RBX: ffff9cdfab1e3830 RCX: 0000000000000000
[ 15.126397] RDX: 0000000000000000 RSI: ffff9cdfab1e3800 RDI: ffff9cdfab1e3800
[ 15.126398] RBP: ffffbd0800e1fc08 R08: 0000000000000000 R09: ffffffff97335400
[ 15.126400] R10: ffff9cdfaef98b28 R11: 0000000000000001 R12: ffff9cdfab1e3800
[ 15.126401] R13: ffffffffc09920a8 R14: ffff9cdfb3cbf800 R15: ffff9cdfb3cbf8a0
[ 15.126403] FS: 0000000000000000(0000) GS:ffff9cdfbdc00000(0000) knlGS:0000000000000000
[ 15.126404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.126405] CR2: 0000000000002d18 CR3: 00000001d3c0a003 CR4: 00000000000606f0
[ 15.139535] kvm: disabled by bios
[ 15.422524] hp_wmi: query 0xd returned error 0x5

cat /proc/version
Linux version 4.18.171.0 (root@elitebook) (gcc version 8.2.0 (Ubuntu 8.2.0-7ubuntu1)) #1 SMP PREEMPT Sun Dec 9 12:40:53 AEDT 2018

lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:16.3 Serial controller: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (Lewisville) (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 8 (rev b4)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Mobile SATA AHCI Controller (rev 04)
23:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller (rev 30)
23:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 30)
23:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 30)
24:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 3e)
25:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)

Thanks
---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: david 1847 F.... pulseaudio
CurrentDesktop: XFCE
DistroRelease: Ubuntu 18.10
InstallationDate: Installed on 2018-12-07 (2 days ago)
InstallationMedia: Ubuntu-Studio 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.2)
MachineType: Hewlett-Packard HP EliteBook 8460p
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.171.0 root=UUID=ceddcbdf-d4ed-444e-8038-5ac5725ec0ad ro persistent quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.18.0-10.11-lowlatency 4.18.12
RelatedPackageVersions:
linux-restricted-modules-4.18.171.0 N/A
linux-backports-modules-4.18.171.0 N/A
linux-firmware 1.175
Tags: cosmic
Uname: Linux 4.18.171.0 x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 02/13/2018
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68SCF Ver. F.67
dmi.board.name: 161C
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 97.4E
dmi.chassis.asset.tag: ASCL53130
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68SCFVer.F.67:bd02/13/2018:svnHewlett-Packard:pnHPEliteBook8460p:pvrA0001D02:rvnHewlett-Packard:rn161C:rvrKBCVersion97.4E:cvnHewlett-Packard:ct10:cvr:
dmi.product.family: 103C_5336AN
dmi.product.name: HP EliteBook 8460p
dmi.product.sku: WX558AV
dmi.product.version: A0001D02
dmi.sys.vendor: Hewlett-Packard
---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: david 1847 F.... pulseaudio
DistroRelease: Ubuntu 18.10
InstallationDate: Installed on 2018-12-07 (2 days ago)
InstallationMedia: Ubuntu-Studio 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.2)
MachineType: Hewlett-Packard HP EliteBook 8460p
Package: linux (not installed)
ProcEnviron:
LANGUAGE=en_AU:en
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.171.0 root=UUID=ceddcbdf-d4ed-444e-8038-5ac5725ec0ad ro persistent quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.18.0-10.11-lowlatency 4.18.12
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.18.171.0 N/A
linux-backports-modules-4.18.171.0 N/A
linux-firmware 1.175
Tags: cosmic
Uname: Linux 4.18.171.0 x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

_MarkForUpload: True
dmi.bios.date: 02/13/2018
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68SCF Ver. F.67
dmi.board.name: 161C
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 97.4E
dmi.chassis.asset.tag: ASCL53130
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68SCFVer.F.67:bd02/13/2018:svnHewlett-Packard:pnHPEliteBook8460p:pvrA0001D02:rvnHewlett-Packard:rn161C:rvrKBCVersion97.4E:cvnHewlett-Packard:ct10:cvr:
dmi.product.family: 103C_5336AN
dmi.product.name: HP EliteBook 8460p
dmi.product.sku: WX558AV
dmi.product.version: A0001D02
dmi.sys.vendor: Hewlett-Packard

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