From danfe@regency.nsu.ru  Mon Oct 14 13:28:18 2002
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Message-Id: <200210142028.g9EKS5Ff073590@regency.nsu.ru>
Date: Tue, 15 Oct 2002 03:28:05 +0700 (NOVST)
From: Alexey Dokuchaev <danfe@regency.nsu.ru>
Reply-To: Alexey Dokuchaev <danfe@regency.nsu.ru>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: ATA Tags (TQ) problems on 4.7-STABLE
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         44063
>Category:       kern
>Synopsis:       ATA Tags (TQ) problems on 4.7-STABLE
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    sos
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 14 13:30:02 PDT 2002
>Closed-Date:    Mon Sep 08 12:04:35 PDT 2003
>Last-Modified:  Mon Sep 08 12:04:35 PDT 2003
>Originator:     Alexey Dokuchaev
>Release:        FreeBSD 4.7-STABLE i386
>Organization:
CNIT NSU
>Environment:
System: FreeBSD regency.nsu.ru 4.7-STABLE FreeBSD 4.7-STABLE #1: Mon Oct 14 21:11:25 NOVST 2002 root@regency.nsu.ru:/usr/src/sys/compile/REGENCY i386
>Description:
It seems that certain IBM hard drives confuse FreeBSD ata TQ code:

ad0: 76319MB <MAXTOR 4K080H4> [155060/16/63] at ata0-master UDMA100
ad1: 58644MB <IC35L060AVVA07-0> [119150/16/63] at ata0-slave tagged UDMA100
ad2: 117800MB <IC35L120AVVA07-0> [239340/16/63] at ata1-master tagged UDMA100
Waiting 2 seconds for SCSI devices to settle
sa0 at ahc0 bus 0 target 2 lun 0
sa0: <HP T4000s 1.07> Removable Sequential Access SCSI-2 device
sa0: 3.300MB/s transfers
Mounting root from ufs:/dev/ad0s1a
ad0: READ command timeout tag=0 serv=0 - resetting
ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66 cable or device

ad1: invalidating queued requests
done
ad0: READ command timeout tag=0 serv=0 - resetting
ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66 cable or device

ad1: invalidating queued requests
done
ad0: READ command timeout tag=0 serv=0 - resetting
ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66 cable or device

ad1: invalidating queued requests
done
ad0: READ command timeout tag=0 serv=0 - resetting
ad0: timeout sending command=ef s=d0 e=04
ad0: trying fallback to PIO mode
ata0: resetting devices .. ad1: invalidating queued requests
done
>How-To-Repeat:
echo hw.ata.tags=1 >> /boot/loader.conf && reboot
>Fix:
N/A

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->sos 
Responsible-Changed-By: johan 
Responsible-Changed-When: Fri Oct 25 01:53:53 PDT 2002 
Responsible-Changed-Why:  
Over ro ATA maintainer. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=44063 
State-Changed-From-To: open->feedback 
State-Changed-By: sos 
State-Changed-When: Mon Apr 28 11:39:48 PDT 2003 
State-Changed-Why:  
Does this still happen on 4.8 or later ? 
If problem still exists, a full dmesg would be nice. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=44063 
State-Changed-From-To: feedback->closed 
State-Changed-By: sos 
State-Changed-When: Mon Sep 8 12:04:12 PDT 2003 
State-Changed-Why:  
feedback timeout 


http://www.freebsd.org/cgi/query-pr.cgi?pr=44063 
>Unformatted:
