Hi,

I installed today (pushed by the software update) the kernel 3.19.0-59
and I got the same problem with it. Here is the part of the syslog
around the freezing point:

May 10 11:44:27 my-ubuntu wpa_supplicant[1311]: wlan0: CTRL-EVENT-CONNECTED - 
Connection to 02:18:5a:8f:fe:13 completed [id=0 id_str=]
May 10 11:44:27 my-ubuntu NetworkManager[1258]: <info> (wlan0): supplicant 
interface state: associated -> completed
May 10 11:44:27 my-ubuntu NetworkManager[1258]: <info> (wlan0): roamed from 
BSSID 02:18:4A:8F:FC:B3 (FD_Staff) to 02:18:5A:8F:FE:13 (FD_Staff)
May 10 11:44:42 my-ubuntu wpa_supplicant[1311]: wlan0: CTRL-EVENT-SCAN-STARTED 
May 10 11:50:36 my-ubuntu kernel: [ 2724.303310] sound hdaudioC0D0: HDMI: ELD 
buf size is 0, force 128
May 10 11:50:36 my-ubuntu kernel: [ 2724.303348] sound hdaudioC0D0: HDMI: 
invalid ELD data byte 0
May 10 11:55:42 my-ubuntu kernel: [ 3030.170491] [drm] HPD interrupt storm 
detected on connector HDMI-A-1: switching from hotplug detection to polling
May 10 12:32:31 my-ubuntu rsyslogd: [origin software="rsyslogd" 
swVersion="7.4.4" x-pid="1099" x-info="http://www.rsyslog.com";] start
May 10 12:32:31 my-ubuntu rsyslogd: rsyslogd's groupid changed to 104
May 10 12:32:31 my-ubuntu rsyslogd: rsyslogd's userid changed to 101
May 10 12:32:31 my-ubuntu kernel: [    0.000000] Initializing cgroup subsys 
cpuset
May 10 12:32:31 my-ubuntu kernel: [    0.000000] Initializing cgroup subsys cpu

So you can see in the above log fragment the last line before freezing:

May 10 11:55:42 my-ubuntu kernel: [ 3030.170491] [drm] HPD interrupt
storm detected on connector HDMI-A-1: switching from hotplug detection
to polling


I also tried the 4.2.0-36 kernel that was pushed today (for the duplicate bug) 
and got the same problem:

May 10 09:17:01 my-ubuntu CRON[6013]: (root) CMD (   cd / && run-parts --report 
/etc/cron.hourly)
May 10 09:36:50 my-ubuntu compiz: pam_ecryptfs: seteuid error
May 10 10:00:01 my-ubuntu CRON[7191]: (root) CMD (if [ -x /usr/sbin/backupninja 
]; then /usr/sbin/backupninja; fi)
May 10 10:06:44 my-ubuntu kernel: [ 7264.163450] [drm] HPD interrupt storm 
detected on connector HDMI-A-1: switching from hotplug detection to polling
May 10 10:35:57 my-ubuntu rsyslogd: [origin software="rsyslogd" 
swVersion="7.4.4" x-pid="986" x-info="http://www.rsyslog.com";] start
May 10 10:35:57 my-ubuntu rsyslogd: rsyslogd's groupid changed to 104
May 10 10:35:57 my-ubuntu rsyslogd: rsyslogd's userid changed to 101
May 10 10:35:57 my-ubuntu kernel: [    0.000000] Initializing cgroup subsys 
cpuset


May I please ask of a status update, please? When will this bug be fixed? Has 
anybody tried to look at the changes between the kernels 3.19.0-58 and 
3.19.0-51 and try to figure out why is this problem happening? If so, may I 
please at least get a clarification here about the cause?

Because at the moment I am unable to install anymore any security
patched kernels that you guys are pushing.

Thank you.

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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

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