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[Bug 1397277] [NEW] Kernel dead after suspend/resume at i915


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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

  Installed: 2:2.99.914-1~exp1ubuntu4.1
  Candidate: 2:2.99.914-1~exp1ubuntu4.1

lshw -c video
       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

Section "Device"
    Identifier "intel"
    Driver "intel"
    Option "AccelMethod" "uxa"
    BusID "PCI:0@0:2:0"

Section "Monitor"
    Identifier "monitor"
    Option "VendorName" "HP"
    Option "ModelName" "HP Monitor"
    Option "DPMS" "true"

Section "Screen"
    Identifier "screen"
    Device "intel"
    Monitor "monitor"
    DefaultDepth 24
    SubSection "Display"
        Viewport   0 0
        Depth     24

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: linux (Ubuntu)
     Importance: Low
         Status: Incomplete

Kernel dead after suspend/resume at i915
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