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Bug 1366104

Summary: [kernel] kernel panic and system freeze upon shutdown of Lenovo ThinkPad T400
Product: [Fedora] Fedora Reporter: Joachim Frieben <jfrieben>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 25CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda, mchehab
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Fixed In Version: kernel-4.8.0-0.rc1.git1.1.fc25 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-08-27 18:43:31 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:

Description Joachim Frieben 2016-08-11 04:53:47 UTC
Description of problem:
Recent kernels of the 4.8.0 development line lead to a kernel panic and system freeze on my Lenovo ThinkPad T400 when shutting down the machine. It is stuck at that point and needs a hard reset. Kernel 4.8.0-0.rc1.git1.1.fc25 was the first one to fix this issue.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Shut down or reboot Lenovo ThinkPad T400 running kernel 4.8.0 prior to 4.8.0-0.rc1.git1.1.fc25.

Actual results:
Kernel panic before shut down or reboot procedure are completed.

Expected results:
System shuts down or reboots cleanly.

Additional info:
- issue fixed by kernel-4.8.0-0.rc1.git1.1.fc25.
- issue does not affect a virtual machine running kernel-4.8.0-0.rc1.git0.1.fc25.

Comment 1 Joachim Frieben 2016-08-11 04:57:24 UTC
According to, kernel-4.8.0-0.rc1.git0.1.fc25 is scheduled for inclusion into Fedora 25 Alpha which should be avoided.