** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Description changed:
Ubuntu 16.04: has been working fine for a year and a half, now suddenly
freezing on bootup, with a permanent spinning logo. The problem appears
- with the new (4.4.0-93) kernel. (Things were fine in 4.4.0-93.) My
+ with the new (4.4.0-93) kernel. (Things were fine in 4.4.0-92.) My
system has /boot on a USB and root on LUKS (along with a 2nd data disk
on LUKS).
- I can boot via a text console if I remove the "splash" kernel switch and
changed $vt.handoff to "$vt.handoff=7". Unfortunately, adding the "debug"
switch causes a freeze, though "debug=vc" boots. Also, for any of the settings
that cause a freeze, if I add "break=mountroot", I can mount the LUKS disks by
hand and continue with boot.
- ---
+ I can boot via a text console if I remove the "splash" kernel switch and
+ changed $vt.handoff to "$vt.handoff=7". Unfortunately, adding the
+ "debug" switch causes a freeze, though "debug=vc" boots. Also, for any
+ of the settings that cause a freeze, if I add "break=mountroot", I can
+ mount the LUKS disks by hand and continue with boot.
+
+ Note (below): booting in recovery allows me to unlock the disks. Then
+ choosing to continue with normal boot, leads to a blank grey screen. It
+ appears frozen, but there is continuing disk activity for some long
+ time.
+
+ ---
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC2: dev 2272 F.... pulseaudio
- /dev/snd/controlC1: dev 2272 F.... pulseaudio
- /dev/snd/controlC0: dev 2272 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC2: dev 2272 F.... pulseaudio
+ /dev/snd/controlC1: dev 2272 F.... pulseaudio
+ /dev/snd/controlC0: dev 2272 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 16.04
InstallationDate: Installed on 2016-05-31 (475 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64
(20160421)
MachineType: LENOVO 23591L9
Package: linux (not installed)
ProcEnviron:
- TERM=xterm-256color
- PATH=(custom, no user)
- XDG_RUNTIME_DIR=<set>
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ TERM=xterm-256color
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
ProcFB:
- 0 inteldrmfb
- 1 nouveaufb
+ 0 inteldrmfb
+ 1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/@t530boot/vmlinuz-4.4.0-93-generic
root=/username/mapper/luks.root ro rootflags=subvol=@ quiet vt.handoff=7=7
ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79
RelatedPackageVersions:
- linux-restricted-modules-4.4.0-93-generic N/A
- linux-backports-modules-4.4.0-93-generic N/A
- linux-firmware 1.157.12
+ linux-restricted-modules-4.4.0-93-generic N/A
+ linux-backports-modules-4.4.0-93-generic N/A
+ linux-firmware 1.157.12
Tags: xenial
Uname: Linux 4.4.0-93-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 09/10/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: G4ETA5WW (2.65 )
dmi.board.asset.tag: Not Available
dmi.board.name: 23591L9
dmi.board.vendor: LENOVO
dmi.board.version: 0B98413 Std
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrG4ETA5WW(2.65):bd09/10/2015:svnLENOVO:pn23591L9:pvrThinkPadT530:rvnLENOVO:rn23591L9:rvr0B98413Std:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 23591L9
dmi.product.version: ThinkPad T530
dmi.sys.vendor: LENOVO
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https://bugs.launchpad.net/bugs/1718047
Title:
Kernel 4.4.0-93 - Suddenly freezing on boot.
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