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[V B <valentin.brasov@xxxxxxxxx>]

I just installed from http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.19.8-ckt19-vivid/ the following:

linux-image-3.19.8-031908ckt19-generic_3.19.8-031908ckt19.201604151431_amd64.deb
linux-headers-3.19.8-031908ckt19-generic_3.19.8-031908ckt19.201604151431_amd64.deb
linux-headers-3.19.8-031908ckt19_3.19.8-031908ckt19.201604151431_all.deb

as described in https://wiki.ubuntu.com/KernelMainlineBuilds. Then I
booted using that kernel and the problem still happens. Here is what I
saw in the syslog around the freezing moment (the log shows the moments
up to the freeze and the reboot that I triggered afterwards by pressing
the power button for 5 secs):

Apr 21 10:53:04 my-ubuntu NetworkManager[1402]: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
Apr 21 10:53:48 my-ubuntu kernel: [   79.996117] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe B
Apr 21 10:53:48 my-ubuntu kernel: [   79.996140] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
Apr 21 10:54:44 my-ubuntu dnsmasq[1957]: reading /etc/resolv.conf
Apr 21 10:54:44 my-ubuntu dnsmasq[1957]: using nameserver 127.0.1.1#53
Apr 21 10:58:23 my-ubuntu kernel: [  355.430721] usb 2-2: USB disconnect, device number 2
Apr 21 11:00:01 my-ubuntu CRON[4139]: (root) CMD (if [ -x /usr/sbin/backupninja ]; then /usr/sbin/backupninja; fi)
Apr 21 11:00:08 my-ubuntu kernel: [  459.955933] [drm] HPD interrupt storm detected on connector HDMI-A-1: switching from hotplug detection to polling
Apr 21 11:18:06 my-ubuntu rsyslogd: [origin software="rsyslogd" swVersion="7.4.4" x-pid="712" x-info="http://www.rsyslog.com";] start
Apr 21 11:18:06 my-ubuntu rsyslogd: rsyslogd's groupid changed to 104
Apr 21 11:18:06 my-ubuntu rsyslogd: rsyslogd's userid changed to 101
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000] Initializing cgroup subsys cpuset
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000] Initializing cgroup subsys cpu
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000] Initializing cgroup subsys cpuacct
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000] Linux version 3.19.0-51-generic (buildd@lgw01-44) (gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.1) ) #58~14.04.1-Ubuntu SMP Fri Feb 26 22:02:58 UTC 2016 (Ubuntu 3.19.0-51
.58~14.04.1-generic 3.19.8-ckt13)
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.19.0-51-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro cgroup_enable=memory swapaccount=1 quiet splash crashkernel=384M-:128M vt.handoff=7
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000] KERNEL supported cpus:
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000]   Intel GenuineIntel
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000]   AMD AuthenticAMD
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000]   Centaur CentaurHauls
Apr 21 11:18:06 my-ubuntu kernel: [    0.000000] e820: BIOS-provided physical RAM map:

So it froze at 11:00:08, while I was away from my desk, then at
11:18:06, when I came back to my desk I had to restart it by pressing
long the power button.


** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1567237

Title:
  Kernel 3.19.0-58 freezes Ubuntu 14.04 on Dell XPS 15 9530

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  The latest security patch for  3.19.0 for Ubuntu 14.04 started
  freezing my laptop (Dell Inc. XPS 15 9530). All the patches before
  this one for the kernel 3.19.0 for Ubuntu 14.04 were OK. From log, the
  last message before freezing was "kernel: ...[drm] HPD interrupt storm
  detected on connector HDMI-A-1: switching from hotplug detection to
  polling", as you can see below:

  Apr 6 14:46:17 xxx-ubuntu dbus[1001]: [system] Activating service name='org.freedesktop.hostname1' (using servicehelper)
  Apr 6 14:46:17 xxx-ubuntu dbus[1001]: [system] Successfully activated service 'org.freedesktop.hostname1'
  Apr 6 14:46:17 xxx-ubuntu kernel: [ 945.147481] systemd-hostnamed[11982]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Plea
  se install nss-myhostname!
  Apr 6 14:50:36 xxx-ubuntu sudo: pam_ecryptfs: pam_sm_authenticate: /home/xxx is already mounted
  Apr 6 15:00:01 xxx-ubuntu CRON[12829]: (root) CMD (if [ -x /usr/sbin/backupninja ]; then /usr/sbin/backupninja; fi)
  Apr 6 15:02:29 xxx-ubuntu kernel: [ 1916.954839] sound hdaudioC0D0: HDMI: ELD buf size is 0, force 128
  Apr 6 15:02:29 xxx-ubuntu kernel: [ 1916.954877] sound hdaudioC0D0: HDMI: invalid ELD data byte 0
  Apr 6 15:07:35 xxx-ubuntu kernel: [ 2222.796696] [drm] HPD interrupt storm detected on connector HDMI-A-1: switching from hotplug detection to polling

  This is the same symptom as described in the bug
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1552333, which is
  a bug raised for 4.2 kernel running on Ubuntu 14.04 using the same
  laptop and the same Ubuntu installation as for this bug.

  At the moment I switched back to kernel 3.19.0-51 that does not cause this problem, but the possibility that from now on all future security patches for 3.19.0 might freeze my laptop sounds very bad.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  valentinbrasov   3187 F.... pulseaudio
   /dev/snd/controlC2:  valentinbrasov   3187 F.... pulseaudio
   /dev/snd/controlC0:  valentinbrasov   3187 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-09-28 (192 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  MachineType: Dell Inc. XPS 15 9530
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-51-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro cgroup_enable=memory swapaccount=1 quiet splash crashkernel=384M-:128M vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-51.58~14.04.1-generic 3.19.8-ckt13
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-51-generic N/A
   linux-backports-modules-3.19.0-51-generic  N/A
   linux-firmware                             1.127.20
  Tags:  trusty
  Uname: Linux 3.19.0-51-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/30/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: XPS 15 9530
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A09
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA09:bd07/30/2015:svnDellInc.:pnXPS159530:pvrA09:rvnDellInc.:rnXPS159530:rvrA09:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: XPS 15 9530
  dmi.product.version: A09
  dmi.sys.vendor: Dell Inc.

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