[Bug 70254] New: [i915] Screen Blanking Issue

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70254

          Priority: medium
            Bug ID: 70254
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [i915] Screen Blanking Issue
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: crshman at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 87256
  --> https://bugs.freedesktop.org/attachment.cgi?id=87256&action=edit
kernel error output

I'm not sure if this is the right place, but based on the error log it seemed
right.

Anyways, I tried plugging in my two Dell monitors via display port to my Lenovo
x220 machine and it generated these errors in the system log.

I'm not sure if it's related, but the primary reason I opened this bug was
because the monitors will blank after a few minutes of activity. The timeout
period seems random and I can't really correlate it with any one activity.

I'm running the latest version of the intel graphics drivers, 2013Q3.

## lspci output
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)

## uname -a output
Linux rnavarro-thinkpad 3.8.0-31-generic #46-Ubuntu SMP Tue Sep 10 20:03:44 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux

## lsb_release -a output
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 13.04
Release:    13.04
Codename:    raring

## aptitude show libdrm-intel1 output
Package: libdrm-intel1                   
State: installed
Automatically installed: no
Multi-Arch: same
Version: 2.4.45-0ubuntu1
Priority: optional
Section: libs
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
Architecture: amd64
Uncompressed Size: 189 k
Depends: libc6 (>= 2.17), libdrm2 (>= 2.4.38), libpciaccess0
PreDepends: multiarch-support
Breaks: libdrm-intel1 (!= 2.4.45-0ubuntu1)
Replaces: libdrm-intel1 (< 2.4.45-0ubuntu1)
Description: Userspace interface to intel-specific kernel DRM services --
runtime
 This library implements the userspace interface to the intel-specific kernel
DRM services.  DRM stands for "Direct Rendering
 Manager", which is the kernelspace portion of the "Direct Rendering
Infrastructure" (DRI). The DRI is currently used on Linux to
 provide hardware-accelerated OpenGL drivers.

## aptitude show libdrm2 output
Package: libdrm2                         
State: installed
Automatically installed: no
Multi-Arch: same
Version: 2.4.45-0ubuntu1
Priority: optional
Section: libs
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
Architecture: amd64
Uncompressed Size: 103 k
Depends: libc6 (>= 2.17)
PreDepends: multiarch-support
Breaks: libdrm2 (!= 2.4.45-0ubuntu1)
Replaces: libdrm2 (< 2.4.45-0ubuntu1)
Description: Userspace interface to kernel DRM services -- runtime
 This library implements the userspace interface to the kernel DRM services. 
DRM stands for "Direct Rendering Manager", which is
 the kernelspace portion of the "Direct Rendering Infrastructure" (DRI). The
DRI is currently used on Linux to provide
 hardware-accelerated OpenGL drivers. 

 This package provides the runtime environment for libdrm.

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