Date: Fri, 27 Sep 2013 14:59:34 +0200 From: Pietro Cerutti <gahr@FreeBSD.org> To: Scott Long <scottl@samsco.org> Cc: Konstantin Belousov <kostikbel@gmail.com>, "Sergey V. Dyatko" <sergey.dyatko@gmail.com>, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: r255873: ahcich7: Timeout on slot 0 port 0 FLOODING kernel messages Message-ID: <20130927125934.GA87559@gahrfit.gahr.ch> In-Reply-To: <0B95678C-4C3A-4234-B2EA-77156ED905B9@samsco.org> References: <20130926085326.72b53660@thor.walstatt.dyndns.org> <20130926154026.4be04064@laptop.minsk.domain> <20130926130718.GH41229@kib.kiev.ua> <20130927083647.39956586@laptop.minsk.domain> <977CE1C1-B96C-4553-8C08-0077E1738496@samsco.org> <20130927145251.6532d339@laptop.minsk.domain> <0B95678C-4C3A-4234-B2EA-77156ED905B9@samsco.org>
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On 2013-Sep-27, 05:57, Scott Long wrote:
>=20
> On Sep 27, 2013, at 5:52 AM, Sergey V. Dyatko <sergey.dyatko@gmail.com> w=
rote:
>=20
> >>>=20
> >>> yes, these messages disappeared after revert 255870 and r255871
> >>>=20
> >>=20
> >>=20
> >> Hi,
> >>=20
> >> Nothing that I changes should have affected the ahci driver. In
> >> fact, I tested this driver specifically during my development. Can
> >> you confirm that you built both kernel and modules from a clean state?
> >=20
> > [tiger@laptop]:/usr/src%svn st
> > M sys/boot/i386/zfsboot/zfsboot.c
> > [tiger@laptop]:/usr/src%svn diff=20
> > Index: sys/boot/i386/zfsboot/zfsboot.c
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > --- sys/boot/i386/zfsboot/zfsboot.c (revision 255873)
> > +++ sys/boot/i386/zfsboot/zfsboot.c (working copy)
> > @@ -302,6 +302,7 @@
> > * region in the SMAP, use the last 3MB of 'extended' memory as a
> > * high heap candidate.
> > */
> > + high_heap_size =3D 0;
> > if (bios_extmem >=3D HEAP_MIN && high_heap_size < HEAP_MIN) {
> > high_heap_size =3D HEAP_MIN;
> > high_heap_base =3D bios_extmem + 0x100000 - HEAP_MIN;
> > [tiger@laptop]:/usr/src%
> >=20
> > nothing more.=20
> >=20
>=20
> Yes, no local source changes, but are you loading the cam or ahci drivers
> a loadable modules that might be out of sync now, or did you use a short-
> cut for building your kernel, like NO_CLEAN?
I had the same problem with a clean src tree. After commenting out the
ahci line from my kernel conf file, I got these instead:
Sep 27 14:32:10 SN2000 kernel: ata3: setting up DMA failed
Sep 27 14:32:12 SN2000 kernel: ata3: FAILURE - zero length DMA transfer att=
empte
reverting those two commits solved the issue.
--=20
Pietro Cerutti
The FreeBSD Project
gahr@FreeBSD.org
PGP Public Key:
http://gahr.ch/pgp
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