Bug 155236 - thinkpad r40e boot failure with acpi enabled.
thinkpad r40e boot failure with acpi enabled.
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
i686 Linux
medium Severity medium
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Assigned To: Dave Jones
Brian Brock
Depends On:
  Show dependency treegraph
Reported: 2005-04-18 08:56 EDT by Martin Garton
Modified: 2015-01-04 17:18 EST (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2005-04-20 13:56:29 EDT
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
makes r40e with bios version 1SET61WW able to boot. (1.25 KB, patch)
2005-04-19 16:45 EDT, Martin Garton
no flags Details | Diff

  None (edit)
Description Martin Garton 2005-04-18 08:56:38 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.7) Gecko/20050416 Fedora/1.0.3-2 Firefox/1.0.3

Description of problem:
linux will not boot unless acpi=off is specified.  Obviously this is undesirable as I would like to at least be able to see battery charge level.

A little testing and a few recompiles to narrow this down showed that setting  "CONFIG_ACPI_PROCESSOR=n" enabled booting and other acpi features worked fine.

Ideally should not have to do this workaround since ACPI idle handler is desirable.

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

How reproducible:

Steps to Reproduce:
1. attempt to boot unmodified rpm kernel.

Actual Results:  freeze during boot. reboot required.

Expected Results:  normal boot.

Additional info:

the kernel gets as far as detecting ide hardware before freezing.
Comment 1 Martin Garton 2005-04-18 09:09:53 EDT
I forgot to mention that this is not a recent regression and so not so high
priority perhaps. It hasn't worked on any of the kernels I tested since the
original FC3 one.
Comment 2 Martin Garton 2005-04-19 16:44:03 EDT
I notice there is already something in
linux-2.6.11/drivers/acpi/processor_idle.c  for "IBM ThinkPad R40e" but it
doesnt apply to my machine because of a differing bios version (mine appears newer)

I tried adding something similar and now the machine boots with the original
.config supplied in the default fedora rpm.

I don't know if this fixes the issue properly. It apparently prevents the
machine going to c2/c3 but at least users can install and run FC on their
machines until it is fixed better.

See attached patch.
Comment 3 Martin Garton 2005-04-19 16:45:35 EDT
Created attachment 113376 [details]
makes r40e with bios version 1SET61WW able to boot.
Comment 4 Dave Jones 2005-04-19 22:24:00 EDT
Thanks, applied to CVS. Will be in tomorrows build.
Comment 5 Martin Garton 2005-04-20 13:56:29 EDT
works fine now using 2.6.11-1.1251_FC4


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