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Date: Tue, 7 Aug 2001 15:49:47 -0700 (PDT)
From: Artem Belevich <art@src.cx>
To: freebsd-gnats-submit@FreeBSD.org
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Subject: kern/29520: Enable tagged ATA for IBM 60GXP HDD (IC35L0[12346]0AVER07)
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>Number:         29520
>Category:       kern
>Synopsis:       Enable tagged ATA for IBM 60GXP HDD (IC35L0[12346]0AVER07)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          wish
>Submitter-Id:   current-users
>Arrival-Date:   Tue Aug 07 15:50:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Artem Belevich
>Release:        4.4-PRERELEASE
>Organization:
>Environment:
FreeBSD ego.yagosys.com 4.4-PRERELEASE FreeBSD 4.4-PRERELEASE #2: Fri Aug  3 12:35:09 PDT 2001     root@ego.yagosys.com:/usr/src/sys/compile/ART  i386

>Description:
According to http://www.storage.ibm.com/hdd/desk/ds60gxp.htm 
IBM 60GXP HDD has support for tagged ATA commands. At this moment FreeBSD only enables tagged ATA commands for IBM-DPTA* and IBM-DTLA* (34GXP,37GP,40GV,75GXP) drives. 60GXP has different IDE model identifier and therefore FreeBSD does not enable tagged ATA support for the drive.


>How-To-Repeat:
/boot/loader.conf: hw.ata.tags="1"
Reboot machine. 
#dmesg | grep ad0
ad0: 39266MB <IC35L040AVER07-0> [79780/16/63] at ata0-master UDMA33

Should be:
ad0: 39266MB <IC35L040AVER07-0> [79780/16/63] at ata0-master tagged UDMA33


>Fix:
dev/ata/ata-disk.c:
static int
ad_tagsupported(struct ad_softc *adp)
{
-    const char *drives[] = {"IBM-DPTA", "IBM-DTLA", NULL};
+    const char *drives[] = {"IBM-DPTA", "IBM-DTLA", "IC35L0", NULL};

    int i = 0;

>Release-Note:
>Audit-Trail:
>Unformatted:

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