kernel-packages team mailing list archive

[Andrew <keen101@xxxxxxxxx>]

Hello Christopher,

testing the latest current Intel upstream kernel also has the bug. The
rc5 kernel is still the highest default kernel in my Grub2 boot menu, so
i had to use the [esc] key when booting up to manually choose which
kernel to load. After loading the Intel upstream kernel
4.6.0-994-generic my system was observed to have frozen like before. So
the bug is still present in the latest upstream kernel.

andrew@andrew-Inspiron-3451:~$ uname -r
4.6.0-994-generic
andrew@andrew-Inspiron-3451:~$ uname -a
Linux andrew-Inspiron-3451 4.6.0-994-generic #201604292201 SMP Sat Apr 30 02:03:11 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
andrew@andrew-Inspiron-3451:~$ 

---

However i decided to also try the oldest available kernel in my my Grub2
boot menu. That kernel happens to be 3.16.0-70-generic which i assume is
the kernel i had in ubuntu 14.04 which had no problems. after briefly
testing this old kernel so far i have seen no problems whatsoever. Until
i see otherwise i will conclude that the bug was introduced somewhere
after kernel 3.16.0-70-generic. (for those following this bug report
with the same problem as me it might be prudent to use this old kernel
until someone can fix this bug).

andrew@andrew-Inspiron-3451:~$ uname -r
3.16.0-70-generic
andrew@andrew-Inspiron-3451:~$ uname -a
Linux andrew-Inspiron-3451 3.16.0-70-generic #90~14.04.1-Ubuntu SMP Wed Apr 6 22:56:34 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
andrew@andrew-Inspiron-3451:~$

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to the bug report.
https://bugs.launchpad.net/bugs/1575467

Title:
  Ubuntu 16.04 consistently freezes up / hangs

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  After upgrading from stock Ubuntu 14.04 to 16.04 my laptop
  consistently freezes up and is unresponsive to keyboard or mouse. The
  only way is to do a hard shutdown. I'm usually in a browser when this
  happens, and often watching a video or two. It seems to happen more
  often in Google Chrome than Firefox, but it happens with both. It has
  happened at least once with no videos loaded. I haven’t observed it
  freeze / hang when I’m not in a browser, but that's mainly what i use
  my laptop for, so that's where most of my time is spent.

  Call trace:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575467/+attachment/4648682/+files/kern.log.2.gz

  ---
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  andrew     1949 F.... pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=e8aaee7c-d956-4519-94f0-cf7aad745020
  InstallationDate: Installed on 2015-08-08 (263 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  MachineType: Dell Inc. Inspiron 3451
  Package: linux (not installed)
  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-4.4.0-21-generic.efi.signed root=UUID=d01f07be-c906-4024-8eef-a58ba3935298 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  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-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  Tags:  xenial
  Uname: Linux 4.4.0-21-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-04-22 (4 days ago)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 12/05/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A00
  dmi.board.name: 0H4MK6
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA00:bd12/05/2014:svnDellInc.:pnInspiron3451:pvrA00:rvnDellInc.:rn0H4MK6:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron 3451
  dmi.product.version: A00
  dmi.sys.vendor: Dell Inc.

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