This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1807550
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1807550
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
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