Bug 1372142

Summary: Screen shaking when connecting the external monitor
Product: [Fedora] Fedora Reporter: Kun Yan <kyan>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 24CC: gansalmon, ichavero, itamar, jonathan, kernel-maint, madhu.chinakonda, mchehab
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-09-21 09:14:42 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
laptop screen none

Description Kun Yan 2016-09-01 02:18:55 UTC
Created attachment 1196577 [details]
laptop screen

Description of problem:

Laptop model: Thinkpad T450s
Kernel version: kernel-4.6.7-300.fc24.x86_64

Before I updated kernel, everything good. 
at that time, kernel version is kernel-4.5.5-300.fc24.x86_64


When I updated kernel to kernel-4.6.7-300.fc24.x86_64, if I only use the laptop monitor , it work good. but when I connected a external monitor (my monitor is dell). the external monitor screen will shaking, sometime, the laptop screen will shaking as well.


Version-Release number of selected component (if applicable):
kernel-4.6.7-300.fc24.x86_64,

How reproducible:


Steps to Reproduce:
1.make sure use kernel-4.6.7-300.fc24.x86_64
2.connect a external monitor
3.

Actual results:
Screen shaking 

Expected results:


Additional info:

Comment 1 Kun Yan 2016-09-01 02:20:55 UTC
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA controller])
	Subsystem: Lenovo Device [17aa:5036]
	Flags: bus master, fast devsel, latency 0, IRQ 46
	Memory at e0000000 (64-bit, non-prefetchable) [size=16M]
	Memory at c0000000 (64-bit, prefetchable) [size=512M]
	I/O ports at 3000 [size=64]
	[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

Comment 2 Kun Yan 2016-09-21 09:14:42 UTC

*** This bug has been marked as a duplicate of bug 1353008 ***