Bug 12550

Summary:	PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II processor
Product:	Platform Specific/Hardware	Reporter:	Mark Hounschell (dmarkh)
Component:	i386	Assignee:	herrmann.der.user
Status:	CLOSED OBSOLETE
Severity:	normal	CC:	alan
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.26.8 through 2.6.29-rc2	Subsystem:
Regression:	No	Bisected commit-id:

Description Mark Hounschell 2009-01-27 02:57:46 UTC

Latest working kernel version: None
Earliest failing kernel version: 2.6.26.x through 2.6.29-rc2
Distribution:SuSE
Hardware Environment:AMD Phenom-II / Biostar TA770 A2+ Motherboard
Software Environment:N/A
Problem Description:

Using a Phenom-II 940 processor a kernel configured for 1000Hz (32-bit) will not boot. 

Refer to LKML topic:

PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II processor

Steps to reproduce:

Install a Phenom-II cpu and attempt to boot a kernel configured for 1000Hz

Comment 1 herrmann.der.user 2009-03-13 04:29:03 UTC

*** Bug 12554 has been marked as a duplicate of this bug. ***

Comment 2 herrmann.der.user 2009-03-13 04:32:38 UTC

Various attempts to root-cause this issue failed so far.
For more information, see following thread
http://marc.info/?l=linux-kernel&m=123228914918883

Comment 3 herrmann.der.user 2009-03-13 04:45:27 UTC

I'll go over this thread again asap to sort out some things.
(... with the intention of summarizing debugging attempts,
to see what information is still missing, to check
remaining debugging options whether they are worth
trying ...)