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Date: Sun, 26 Jun 2005 16:59:16 +0200 (CEST)
From: Matthias Buelow <mkb@incubus.de>
Reply-To: Matthias Buelow <mkb@incubus.de>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: ATA timeouts on 5.4-stable
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         82668
>Category:       kern
>Synopsis:       [ata] ATA timeouts on 5.4-stable
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    linimon
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jun 26 15:00:31 GMT 2005
>Closed-Date:    Sat Apr 21 22:23:56 GMT 2007
>Last-Modified:  Sat Apr 21 22:23:56 GMT 2007
>Originator:     Matthias Buelow
>Release:        FreeBSD 5.4-STABLE i386
>Organization:
>Environment:
System: FreeBSD xxx 5.4-STABLE FreeBSD 5.4-STABLE #3: Thu Jun 23 13:51:15 CEST 2005 root@xxx:/usr/obj/usr/src/sys/xxx i386


	
>Description:

    Since I upgraded to 5.4-STABLE on June 21, I occasionally get on
    boot the following:

    ad4: TIMEOUT - READ_DMA retrying (2 retries left) LBA=0
    ad4: FAILURE - ATA_IDENTIFY timed out
    ad4: FAILURE - ATA_IDENTIFY timed out
    ad4: WARNING - removed from configuration
    ata2-master: FAILURE - READ_DMA timed out

    at which point the kernel gives up since it cannot find the root fs.

    This seems to happen only at boot, and not everytime (perhaps
    at 1/4 of all boot attempts, on average). If the machine actually
    manages to boot, then all seems well, and I haven't yet seen it
    when the system was running. Windows XP is also on the box and it
    doesn't seem to have any problems. I also didn't encounter any
    problems of that kind with earlier 5.4-STABLE snapshots.

    The machine is using the Intel ICH6 chipset, with disk and controller
    as following:

    atapci1: <Intel ICH6 SATA150 controller> port 0xfea0-0xfeaf,0xfe30-0xfe33,0xfe20-0xfe27,0xfe10-0xfe13,0xfe00-0xfe07 irq 20 at device 31.2 on pci0
    ad4: 152627MB <ST3160023AS/8.05> [310101/16/63] at ata2-master SATA150

>How-To-Repeat:
>Fix:



>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: linimon 
State-Changed-When: Thu Apr 19 03:54:02 UTC 2007 
State-Changed-Why:  
Does this problem recur on FreeBSD 6.2? 


Responsible-Changed-From-To: freebsd-bugs->linimon 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Thu Apr 19 03:54:02 UTC 2007 
Responsible-Changed-Why:  

http://www.freebsd.org/cgi/query-pr.cgi?pr=82668 
State-Changed-From-To: feedback->closed 
State-Changed-By: linimon 
State-Changed-When: Sat Apr 21 22:22:51 UTC 2007 
State-Changed-Why:  
Submitter has no way to retest this, so close it at his request. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=82668 
>Unformatted:
