Public bug reported:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
On login to the computer with ssh I can no longer call htop (blank
screen) or ps -elf (freeze after displaying the result).
The computer was upgraded from 1TB ECC RAM to 1.5 TB ECC RAM a few days
before the event.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-59-generic 4.4.0-59.80
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
AlsaDevices:
total 0
crw-rw----+ 1 root audio 116, 1 Jan 30 11:22 seq
crw-rw----+ 1 root audio 116, 33 Jan 30 11:22 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Wed Feb 8 14:14:36 2017
HibernationDevice: RESUME=UUID=b80a8df2-0260-4eeb-ab4a-68bb246e5f6e
InstallationDate: Installed on 2016-05-02 (282 days ago)
InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.3)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
JournalErrors:
Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000']
failed with exit code 1: Hint: You are currently not seeing messages from other
users and the system.
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
No journal files were opened due to insufficient permissions.
MachineType: Supermicro SYS-6028U-TRT+
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.utf8
SHELL=/bin/bash
ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-59-generic
root=UUID=26de5dd5-eed8-4ccb-ad03-c832b4760c7f ro
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-59-generic N/A
linux-backports-modules-4.4.0-59-generic N/A
linux-firmware 1.157.6
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 12/17/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.0
dmi.board.asset.tag: Default string
dmi.board.name: X10DRU-i+
dmi.board.vendor: Supermicro
dmi.board.version: 1.01
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 1
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2.0:bd12/17/2015:svnSupermicro:pnSYS-6028U-TRT+:pvr0123456789:rvnSupermicro:rnX10DRU-i+:rvr1.01:cvnSupermicro:ct1:cvr0123456789:
dmi.product.name: SYS-6028U-TRT+
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1662891
Title:
kernel NULL pointer dereference
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