Bug 148317

Summary:	Kernel 2.6.17: sata_piix fails to detect drive on Intel ICH6
Product:	Gentoo Linux	Reporter:	Joakim Crafack <joakim>
Component:	[OLD] Core system	Assignee:	Gentoo Kernel Bug Wranglers and Kernel Maintainers <kernel>
Status:	VERIFIED UPSTREAM
Severity:	critical
Priority:	High
Version:	unspecified
Hardware:	x86
OS:	Linux
URL:	http://bugzilla.kernel.org/show_bug.cgi?id=7170
Whiteboard:	linux-2.6.17-regression linux-2.6.20
Package list:		Runtime testing required:	---

Description Joakim Crafack 2006-09-20 03:47:20 UTC

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; da; rv:1.8.0.7) Gecko/20060917 Firefox/1.5.0.7
Build Identifier: 

Any kernel newer than 2.6.16-gentoo-r13 fails to detect SATA disk during boot.

Problem has been reproduced on vanilla kernel (git).
git bisect says the following commit is responsible:

  d133ecab8ff1233c2eb3ecb94f7956aa10002300 is first bad commit
  commit d133ecab8ff1233c2eb3ecb94f7956aa10002300
  Author: Tejun Heo <htejun@gmail.com>
  Date:   Wed Mar 1 01:25:39 2006 +0900
  [PATCH] ata_piix: reimplement piix_sata_probe()

See upstream report http://bugzilla.kernel.org/show_bug.cgi?id=7170

Reproducible: Always

Steps to Reproduce:
1. Boot any 2.6.17 (or 2.6.18) kernel

Actual Results:  
Kernel says (in part) 
  ata1: SRST failed (status 0xFF)
  ata1: SRST failed (err_mask=0x100)
  ata1: softreset failed, retrying in 5 secs
  ata1: SRST failed (status 0xFF)
  ata1: SRST failed (err_mask=0x100)
  ata1: softreset failed, retrying in 5 secs
  ata1: reset failed, giving up
and panics (as no boot disk i spresent)

Expected Results:  
Normal boot

Comment 1 Daniel Drake (RETIRED) gentoo-dev

2006-09-20 15:05:08 UTC

Thanks, will watch upstream bug