Public bug reported:
HP ProBook 4740s, new installation of Ubuntu
lsb_release -rd
Description: Ubuntu 14.10
Release: 14.10
Linux HP 3.16.0-25-generic #33-Ubuntu SMP Tue Nov 4 12:06:54 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
xserver-xorg-video-intel:
Installed: 2:2.99.914-1~exp1ubuntu4.1
Candidate: 2:2.99.914-1~exp1ubuntu4.1
lshw -c video
*-display
description: VGA compatible controller
product: 2nd Generation Core Processor Family Integrated Graphics
Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:48 memory:c0000000-c03fffff memory:b0000000-bfffffff
ioport:3000(size=64)
Suspend by menu at right upper corner. Waits... Wake up by button. Wallpaper
and logon screen is appeared, periodically I can login and begin work, but not
more than 5 seconds and system completely freezed. I can stay at login screen
without keypress and its freezed too after some seconds.
No mouse, keyboard, led or ssh activity is allowed. Kernel dead.
Using fglrx or fglrx-updates it's no problem with suspend and resume, while
using discrete card (not workaround for me).
I disabled Radeon card (in BIOS) and using i915. All fglrx and fglrx-
updates is completely removed, xorg-radeon too.
kernel option i915.modeset=0 resumed without hangs (but with black
screen), and nomodeset too.
tried to create xorg.conf with uxa
Section "ServerLayout"
Identifier "layout"
Screen 0 "screen" 0 0
EndSection
Section "Device"
Identifier "intel"
Driver "intel"
Option "AccelMethod" "uxa"
BusID "PCI:0@0:2:0"
EndSection
Section "Monitor"
Identifier "monitor"
Option "VendorName" "HP"
Option "ModelName" "HP Monitor"
Option "DPMS" "true"
EndSection
Section "Screen"
Identifier "screen"
Device "intel"
Monitor "monitor"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
but hangs too :(
Hibernation works without any problem.
Tried latest Linux Mint (booting with usb-stick) - hangs on
suspend/resume too. Sometimes ago can suspend/resume at Windows 7, but I
hate this OS.
I suffered to resolve this problem last three days...
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1397277
Title:
Kernel dead after suspend/resume at i915
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