Bug 723670 - Introduce "acpi_rsdp=" parameter for kdump
Summary: Introduce "acpi_rsdp=" parameter for kdump
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.1
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Takao Indoh
QA Contact: Chao Ye
URL:
Whiteboard:
Depends On:
Blocks: 681796
TreeView+ depends on / blocked
 
Reported: 2011-07-20 19:15 UTC by Takao Indoh
Modified: 2013-08-06 03:50 UTC (History)
3 users (show)

Fixed In Version: kernel-2.6.32-176.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-12-06 13:53:12 UTC
Target Upstream Version:

Attachments (Terms of Use)
Patch to pass RSDP address (1.24 KB, application/force-download)
2011-07-20 19:15 UTC, Takao Indoh 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:1530 0 normal SHIPPED_LIVE Moderate: Red Hat Enterprise Linux 6 kernel security, bug fix and enhancement update 2011-12-06 01:45:35 UTC

Description Takao Indoh 2011-07-20 19:15:31 UTC 
Created attachment 514071 [details]
Patch to pass RSDP address

Description of problem:
kdump did not work on EFI-booted machine and this problem was fixed in 6.0
by using EFI physical-mode(bz593111). But physical-mode does not work on some
firmwares, so instead of physical-mode, introduce "acpi_rsdp=" parameter to pass
ACPI RSDP address so that 2nd kernel can boot without EFI.

Version-Release number of selected component (if applicable):
kernel-2.6.32-131.0.15.el6

How reproducible:
always on some machines

Steps to Reproduce:
1.Boot system from EFI
2.Start kdump
  
Actual results:
Kdump does not wrok

Expected results:
Kdump works

Additional info:
bz681796 for kexec-tools
Comment 2 Takao Indoh 2011-07-21 20:12:06 UTC 
The patch is included in Len Brown's tree.
commit 4996c02306a25def1d352ec8e8f48895bbc7dea9
Author: Takao Indoh <indou.takao.com>
Date:   Thu Jul 14 18:05:21 2011 -0400

If need help to test it, please contact me(Takao Indoh, tindoh).
I and Fujitsu can help it.
Comment 3 Aristeu Rozanski 2011-08-02 13:57:59 UTC 
Patch(es) available on kernel-2.6.32-176.el6
Comment 7 Chao Ye 2011-09-19 07:16:32 UTC 
Change status to VERIFIED based on https://bugzilla.redhat.com/show_bug.cgi?id=681796#c18.
Comment 8 errata-xmlrpc 2011-12-06 13:53:12 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2011-1530.html
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