Public bug reported:
Upgrades to Yakkety in feature freeze with kernel 4.8.0-21-generic.
System regularly hangs for 10 second intervals which is very noticeable in boot
process. Cause seems to be the Intel GMA965 DRM support causing regular kernel
warnings:
WARNING: CPU: 0 PID: 1183 at
/build/linux-JqzU2_/linux-4.8.0/drivers/gpu/drm/drm_irq.c:1224
drm_wait_one_vblank+0x1b6/0x1c0 [drm]
The problem seems to start very early in the boot process, possible
already in GRUB, definitely when the kernel image is first started.
Workaround:
Boot into Ubuntu recovery mode and then resume into graphical system. In this
case the problem does not occur.
Disabling GRUB graphics with GRUB_TERMINAL=console does not help
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-21-generic 4.8.0-21.23
ProcVersionSignature: Ubuntu 4.8.0-21.23-generic 4.8.0
Uname: Linux 4.8.0-21-generic x86_64
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: michael 2377 F.... pulseaudio
Date: Sun Oct 9 11:10:10 2016
HibernationDevice: RESUME=UUID=34b8481d-d92b-4611-820b-c0c2b607f6ab
InstallationDate: Installed on 2012-08-21 (1509 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: LENOVO 8943DNG
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
LANGUAGE=en_US
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-21-generic
root=UUID=2835f778-bc9c-463b-8ee1-b337e0efe6d7 ro quiet splash vt.handoff=7
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-4.8.0-21-generic N/A
linux-backports-modules-4.8.0-21-generic N/A
linux-firmware 1.161
SourcePackage: linux
UpgradeStatus: Upgraded to yakkety on 2016-10-08 (0 days ago)
dmi.bios.date: 10/22/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 7QET27WW (1.09 )
dmi.board.name: 8943DNG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7QET27WW(1.09):bd10/22/2007:svnLENOVO:pn8943DNG:pvrThinkPadR61:rvnLENOVO:rn8943DNG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 8943DNG
dmi.product.version: ThinkPad R61
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug yakkety
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https://bugs.launchpad.net/bugs/1631719
Title:
Intel GMA965 DRM hanging on yakkety
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