Bug 1030633

Summary: Fedora 20 beta (and updates) unable to boot Intel Atom N2600 without 'acpi=off'
Product: [Fedora] Fedora Reporter: Dave Kline <dkline>
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: 20CC: bugs, collura, gansalmon, itamar, johan, jonathan, kernel-maint, madhu.chinakonda, michele
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Hardware: x86_64   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2013-12-04 14:07:33 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
journalctl output of boot with 'acpi=off' none

Description Dave Kline 2013-11-14 20:19:54 UTC 
Description of problem:

Greetings. Any Fedora 20 incarnation fails to boot (including the beta) on my Intel Atom N2600-based machine unless I add 'acpi=off' to the kernel command line.  This includes kernels up to and including 3.11.7-300.fc20.x86_64 

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

3.11.7-300.fc20.x86_64 / Fedora 20 Beta and subsequent updates 

How reproducible:

Attempt to boot into Live installer, normal installer media, or normal boot

Actual results:

The normal Fedora installation media will simply hang.  If I add "plymouth.enable=0" and remove "quiet", the last message is "Switched to clocksource tsc".

With 'acpi=off' I can complete the installation.  However even after updates the machine will not boot unless 'acpi=off' is added to the grub menu.

Expected results:

Booting/installing without the added 'acpi=off' option.

Additional info:

Researching the bug, I found references to ACPI: http://www.spinics.net/lists/linux-acpi/msg42849.html

Happy to provide more information and be a guinea pig to test fixes.
Comment 1 Dave Kline 2013-11-17 17:41:51 UTC 
Created attachment 825225 [details]
journalctl output of boot with 'acpi=off'
Comment 2 Dave Kline 2013-11-17 17:42:20 UTC 
Followed some advice here: http://fedoraproject.org/wiki/Common_kernel_problems

Couple of quick updates.  Booting with pci=noacpi hangs at the same place (Switched to clocksource tsc), and applying different 'clocksource' parameters (hpet, jiffies, etc) also yields no love.

Booting with 'noapictimer' gives a different error, a couple of lines of "Could not switch to high resolution mode on CPU 3", etc per CPU, and " lapic is not functional."  Net result is still a hang.

Per the above web page, the only way to boot that I know of is 'acpi=off'.
Comment 3 Johan van der Slikke 2013-11-19 23:37:09 UTC 
Exactly same issue here, also on Intel Atom N2600. If I could help anyhow with e.g. testing, please let me know.
Comment 4 Dave Kline 2013-11-24 15:26:42 UTC 
As a positive update, kernel-3.11.9-300.fc20.x86_64 appears to fix the issue.  I am able to boot this kernel leaving ACPI enabled.
Comment 5 Michele Baldessari 2013-11-24 18:11:59 UTC 
Odd, don't see any changes between 3.11.7 and 3.11.9 that could be relevant.

Johan, is it fixed for you as well if you use 3.11.9-300.fc20 like Dave?

thanks,
Michele
Comment 6 Johan van der Slikke 2013-12-03 22:02:17 UTC 
Confirmed that: my kernel version is 3.11.10 now, it boots successfully without the acpi=off parameter.
Comment 7 Josh Boyer 2013-12-04 14:07:33 UTC 
Thanks all.