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

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

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
--

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) {