On 16.04 with linux-image-lowlatency-hwe-16.04 amd64 (currently 4.13.0-30-lowlatency) with kexec-tools default-configured to handle reboots with the current kernel version (no GRUB detect) and /proc/cmdline.
The system freezes either permanently (requiring a hard power-off) or for tens of seconds, showing (copied from a photograph):
kexec_core: Starting new kernel
nouveau 0000:01:00.0: DRM: GPU lockup - switching to software fbcon
NMI: PCI system error (SERR) for reason a1 on CPU 0.
Dazed and confused, but trying to continue
Due to the nature of the failure there is no additional logging or clues. I tried "nopti" in case recent 'Meltdown' changes were responsible but it still happens. I've only just enabled kexec on this system so have no historical indications of it having worked.
System is Dell XPS M1530, Core 2 Duo T9300, 4GB RAM
---
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
AudioDevicesInUse: Error: [Errno 2] No such file or directory
CurrentDesktop: XFCE
DistroRelease: Ubuntu 16.04
JournalErrors:
-- Logs begin at Wed 2018-01-10 04:01:51 UTC, end at Thu 2018-01-18 13:41:03 UTC. --
Jan 18 07:08:41 hostname dnsmasq[868]: warning: no upstream servers configured
MachineType: Dell Inc. XPS M1530
Package: linux (not installed)
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-30-lowlatency root=UUID=2edb423c-3c9d-4031-a18a-99f112ad48c1 ro nopti acpi_osi=! "acpi_osi=Windows 2006" pci=assign-busses,pcie_scan_all,realloc crashkernel=384M-2G:128M,2G-:256M
ProcVersionSignature: Ubuntu 4.13.0-30.33~16.04.1-lowlatency 4.13.13
RelatedPackageVersions:
linux-restricted-modules-4.13.0-30-lowlatency N/A
linux-backports-modules-4.13.0-30-lowlatency N/A
linux-firmware 1.157.15
Tags: xenial
Uname: Linux 4.13.0-30-lowlatency x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm disk plugdev sudo
WifiSyslog:
_MarkForUpload: True
dmi.bios.date: 11/19/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A12
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA12:bd11/19/2008:svnDellInc.:pnXPSM1530:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: XPS M1530
dmi.sys.vendor: Dell Inc.
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 1743946
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.