Red Hat Bugzilla – Bug 243663
PCI-X / PCI-Express hot-plug does not work
Last modified: 2007-11-30 17:07:44 EST
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User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Description of problem:
When I execute PCI-X / PCI-Express HotPlug, the following command fails.
modprobe -a acpiphp
The details of this phenomenon are mentioned in the following URL.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Execute "modprobe -a acpiphp" command
The "modprobe -a acpiphp" command succeeds.
This patch was incorporated in the kernel 2.6.19.
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release. Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update
The code base in RHEL5.1's drivers/acpi/events was heavily modified & updated to
the most recent upstream version by BZ 223290. That modification incorporates
Please contact Hitachi's on site representative, Hideo Aoki (email@example.com)
for details in obtaining a 5.1 kernel.
*** This bug has been marked as a duplicate of 223290 ***
Sorry -- last comment was erroneously marked private. Un-privating comment.
There appears to have been some IT & BZ breakage.
There are two ITs and several BZs that need to be fixed/updated, and some
RHKL submits need to be cleaned up.
1. IT 124256 should not be linked to 223290 even though it is _part_ of what
is needed but is not the exact patch that is needed.
2. Luming Yu's (firstname.lastname@example.org) post
[RHEL 5.1 PATCH] BZ 223290 ACPICA: _CID support for PCI Root Bridge detection.
3. The status of 230742 needs to be in some QA state to match that of 223290.
Doug has informed me that RH QA cannot QA this issue -- it requires a manual
undocumented procedure that requires the "right" system, the "right" firmware,
IMO, this should be PARTNER_QA and Doug has verified that this functions
4. IT 124256 references BZ 243663 which was closed as a dup of 223290.
It should be a dup of 230742. (Prarit's note: This was closed as a dup of
223290 based on Luming's RHKL post)
5. 223290 should not be ON_QA. There are TWO patches required for this
support and only one of them (BZ 230742) is in RHEL5.1.
7. Management has pushed 223290 support to RHEL5.2.
*** This bug has been marked as a duplicate of 230742 ***