Bug 12248 (GA-MA69VM-S2_i386) - i386 Linux requires acpi=off at boot time on Gigabyte GA-MA69VM-S2
Summary: i386 Linux requires acpi=off at boot time on Gigabyte GA-MA69VM-S2
Status: CLOSED PATCH_ALREADY_AVAILABLE
Alias: GA-MA69VM-S2_i386
Product: Platform Specific/Hardware
Classification: Unclassified
Component: i386 (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: platform_i386
URL:
Keywords:
Depends on:
Blocks: 56331
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Reported: 2008-12-18 12:00 UTC by Dan Dart
Modified: 2013-04-09 06:23 UTC (History)
1 user (show)

See Also:
Kernel Version: 2.6.26 or later, possibly earlier
Subsystem:
Regression: ---
Bisected commit-id:

Attachments
output of acpidump on working system (kubuntu 64-bit 8.04) (90.86 KB, text/plain)
2008-12-19 04:08 UTC, Dan Dart 		Details
Add an attachment (proposed patch, testcase, etc.)

Description Dan Dart 2008-12-18 12:00:55 UTC 
Latest working kernel version: Not known
Earliest failing kernel version: 2,6,26 (possibly earlier)
Distribution: openSUSE (11.0+, possibly earlier), Ubuntu (8.04+, possibly earlier)
Hardware Environment: Gigabyte GA-MA69VM-S2 motherboard, AMD Athlon 64 X2 4800+ 2.5GHz,
virtualisation AMD-V On
Software Environment: openSUSE 
Problem Description: System freezes after boot on i386 versions of Ubuntu or openSUSE on GA-MA69VM-S2 if "acpi=off" append option not used.

Steps to reproduce: Boot i386 version of openSUSE or Ubuntu (custom kernel 2.6.27.9 too) without the acpi=off switch on Gigabyte GA-MA69VM-S2. System freezes, with no disk activity.
Comment 1 ykzhao 2008-12-18 16:53:16 UTC 
From the problem description it seems that the system can't be booted with ACPI enabled. But it can be booted with ACPI disabled.
   Will you please try the following boot options and see whether the system can be booted with ACPI enabled?
   a. idle=poll
   b. processor.max_cstate=1 (The processor should be compiled as built-in kernel).
   c. idle=halt

   It will be great if you can attach the output of acpidump.
   
   Thanks.
Comment 2 Zhang Rui 2008-12-18 17:54:58 UTC 
can you get a screenshot when the system freezes?
Comment 3 Dan Dart 2008-12-19 04:08:07 UTC 
Created attachment 19377 [details]
output of acpidump on working system (kubuntu 64-bit 8.04)

Output from acpidump on working system: Kubuntu 8.04 (kernel 2.6.24)
Comment 4 Dan Dart 2008-12-19 04:33:02 UTC 
The system (i386 Kubuntu 8.10) will not boot even with those options. Booting with the options "verbose" instead of "splash silent" shows that high up in the screen, it always freezes with a message near the top that says  "clocksource tsc unstable", delta = 299 seconds, but it goes on and loads things and it stops right after loading the ioschedulers (default = cfq in this case)
Comment 5 Dan Dart 2008-12-19 08:32:59 UTC 
Using the option "hpet=disable" fixes the problem, I can't boot without either acpi=off or hpet=disable.
Comment 6 Thomas Renninger 2009-01-20 04:53:47 UTC 
This could be a known BIOS bug, if it is what I think it is you should either:
  - update your BIOS
  - try the patch from commit id: a6825f1c1fa83b1e92b6715ee5771a4d6524d3b9
This should be fixed by in latest kernel, best just try the latest.

This should also be fixed if you try the latest OpenSUSE update kernel.
Comment 7 Dan Dart 2009-01-20 05:56:29 UTC 
It's not a BIOS bug (I have the latest BIOS revision by the way), it's an HPET bug in the Linux kernel, a similar bug has been filed for amd64 and has now been fixed in 2.6.28. I shall try 2.6.28 (.1) on i386 tonight with no acpi=off or hpet=disable flags and close this bug with PATCH_ALREADY_AVAILABLE if it works.
Comment 8 Dan Dart 2009-02-14 07:05:45 UTC 
Works on self-compiled Hardy 2.6.28 system.
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