Re: kern/42552: smartd reports "not capable of SMART self-check"

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR kern/42552; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost, 
netbsd-bugs%NetBSD.org@localhost
Subject: Re: kern/42552: smartd reports "not capable of SMART self-check"
Date: Mon, 4 Jan 2010 17:59:43 +0100

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 On Thu, Dec 31, 2009 at 09:25:01AM +0000, leo%marco.de@localhost wrote:
 > >Description:
 >      Two days ago I installed smartmontools on my system. Now I'm getting
 >              Dec 31 08:26:24 zork smartd[5883]: Device: /dev/wd2d, not 
 > capable of SMART self-check 
 >              Dec 31 08:26:25 zork smartd[5883]: Device: /dev/wd2d, failed to 
 > read SMART Attribute Data 
 >              Dec 31 08:26:26 zork smartd[5883]: Device: /dev/wd2d, Read 
 > SMART Self Test Log Failed 
 >      reports from smartd, while smartctl doesn't show any problems.
 >      Using google I found, that linux users had a similar problem two years
 >      ago. It was caused by a kernel bug. Maybe we have a similar problem.
 >      See
 >              http://article.gmane.org/gmane.linux.ide/20799/raw
 
 Maybe we need to set r_error to 0 in all cases. Can you try the attached
 patch ?
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --
 
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 Index: ahcisata_core.c
 ===================================================================
 RCS file: /cvsroot/src/sys/dev/ic/ahcisata_core.c,v
 retrieving revision 1.18.4.1
 diff -u -p -u -r1.18.4.1 ahcisata_core.c
 --- ahcisata_core.c    19 Feb 2009 20:30:15 -0000      1.18.4.1
 +++ ahcisata_core.c    4 Jan 2010 16:58:14 -0000
 @@ -825,6 +825,7 @@ ahci_cmd_complete(struct ata_channel *ch
                ata_c->r_count = 0;
                ata_c->r_sector = 0;
                ata_c->r_cyl = 0;
 +              ata_c->r_error = 0;
                if (chp->ch_status & WDCS_BSY) {
                        ata_c->flags |= AT_TIMEOU;
                } else if (chp->ch_status & WDCS_ERR) {
 
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