While the freeze with the "[drm] HPD interrupt..." message happened 4
times yesterday afternoon after installing the 4.2 kernel, this morning
(early morning) I reverted to 3.19 kernel and no freezes happened
anymore afterwards. So this really looks like a problem with the 4.2
kernel. I will try
After reverting from 4.2 kernel (linux-generic-lts-wily) back to 3.19
kernel (linux-generic-lts-vivid) the freezes stopped.
** Package changed: xorg (Ubuntu) => linux-meta (Ubuntu)
** Description changed:
I am not sure whether this is related to Xorg because of following:
Today it
Yesterday evening after I left the office it froze again. I see in the
syslog up to that freezing moment:
12831 Mar 2 16:36:28 my-ubuntu kernel: [ 1252.239761] ACPI:
\_SB_.PCI0.PEG0.PEGP: failed to evaluate _DSM
12832 Mar 2 16:36:28 my-ubuntu kernel: [ 1252.239764] ACPI Warning:
Attached the syslog for today when the laptop froze 3 or 4 times:
syslog_today_with_freezes.log
Like I said, this never happened before today.
** Attachment added: "syslog_today_with_freezes.log"
Public bug reported:
I am not sure whether this is related to Xorg because of following:
Today it happened a few times this complete freeze. Before today never
happened. Today I did a normal system update in the morning, then a
ditro upgrade which just upgraded a few unimportant packages, then
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