Bug 691065 - Boot hangs for 10s before Initializing CPUs
Summary: Boot hangs for 10s before Initializing CPUs
Keywords:
Status: CLOSED INSUFFICIENT_DATA
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 14
Hardware: i686
OS: Linux
unspecified
medium
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-03-26 13:55 UTC by Jacek Pliszka
Modified: 2011-03-31 06:29 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-03-31 06:29:12 UTC
Type: ---

Attachments (Terms of Use)
dmesg (80.41 KB, text/plain)
2011-03-26 13:55 UTC, Jacek Pliszka 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

Description Jacek Pliszka 2011-03-26 13:55:08 UTC 
Description of problem:

This is fragment of dmesg:

[    0.068446] CPU0: Intel(R) Core(TM) i7 CPU       Q 720  @ 1.60GHz stepping 05
[    0.170370] Booting Node   0, Processors  #1
[   11.623286] Initializing CPU#1
[   11.702767]  #2

It does nothing for 11s - just hangs.

Version-Release number of selected component (if applicable):
2.6.35.11-83.fc14.i686

How reproducible:
boot and watch the messages on HP Pavilion dv6-3060ew
(Intel(R) Core(TM) i7 CPU       Q 720).

The problem does not happen on my wife's Intel Pentium D 3GHz desktop.

Steps to Reproduce:
1. boot
2.
3.
  
Actual results:
11s delay
[    0.068446] CPU0: Intel(R) Core(TM) i7 CPU       Q 720  @ 1.60GHz stepping 05
[    0.170370] Booting Node   0, Processors  #1
[   11.623286] Initializing CPU#1
[   11.702767]  #2

Expected results:
immediate initialization of CPUs

Additional info:
Comment 1 Jacek Pliszka 2011-03-26 13:55:48 UTC 
Created attachment 487742 [details]
dmesg
Comment 2 Jacek Pliszka 2011-03-31 06:29:12 UTC 
The bug disappeared.
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