Bug 16172 - 2.6.25-rc1 ahci regression
Summary: 2.6.25-rc1 ahci regression
Status: CLOSED INVALID
Alias: None
Product: IO/Storage
Classification: Unclassified
Component: Serial ATA (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Jeff Garzik
URL:
Keywords:
Depends on:
Blocks: 16055
  Show dependency tree
 
Reported: 2010-06-09 19:35 UTC by Maciej Rutecki
Modified: 2010-06-23 21:20 UTC (History)
3 users (show)

See Also:
Kernel Version: 2.6.35-rc1
Subsystem:
Regression: Yes
Bisected commit-id:

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Description Maciej Rutecki 2010-06-09 19:35:31 UTC 
Subject    : 2.6.25-rc1 ahci regression
Submitter  : Luming Yu <luming.yu@gmail.com>
Date       : 2010-06-03 7:02
Message-ID : AANLkTikWak8i-Kaj-e-EUFWE66tfMmp2UPhGJCKkK1zK@mail.gmail.com>
References : http://marc.info/?l=linux-kernel&m=127554855724361&w=2

This entry is being used for tracking a regression from 2.6.34.  Please don't
close it until the problem is fixed in the mainline.

Caused by:

commit 365cfa1ed5a36f9bcb9f64c9f0f52155af2e9fef
Author: Anton Vorontsov <avorontsov@ru.mvista.com>
Date:   Sun Mar 28 00:22:14 2010 -0400

    ahci: Move generic code into libahci

    This patch should contain no functional changes, just moves code
    around.

    Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
    Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

First-Bad-Commit : 365cfa1ed5a36f9bcb9f64c9f0f52155af2e9fef
Comment 1 Jeff Garzik 2010-06-09 19:46:32 UTC 
As noted in the linked thread, this problem is caused by the ahci driver not being loaded -- not anything the driver itself is doing.

It sounds like the problem lies with dracut, or whatever is loading the kernel modules.
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