Bug 1332615

Summary: System crashes/freezes on intel braswell systems
Product: [Fedora] Fedora Reporter: dkrall <krall.dennis>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED WONTFIX QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: unspecified    
Version: 24CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda, mchehab, ogassner
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-07-21 11:57:40 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Description dkrall 2016-05-03 14:55:06 UTC
Description of problem:
System is crashing immediately on boot on intel braswell systems (N3050 in this specific case). After grub, the screen will go blank right before the entire system freezes.

Version-Release number of selected component (if applicable):
Fedora 23, 24 alpha/beta, kernel version =>4.2 won't boot on braswell systems.

How reproducible:
Boot fedora 23 (kernel version must be >4.2) or fedora 24 alpha/beta.

Steps to Reproduce:
1. Boot system
2. System will crash on boot

Actual results:
Crashed system, no interaction possible, blank screen.

Expected results:
Normal boot of system.

Additional info:
Disabling C-States can "help" sometimes.

Comment 1 dkrall 2016-05-03 15:04:36 UTC
Booting with "nomodeset i915.modeset=0" actually works, but only with a resolution of 800x600.