Date: Fri, 27 Sep 2013 16:08:51 +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>, Boris Samorodov <bsam@passap.ru>, FreeBSD CURRENT <freebsd-current@FreeBSD.org> Subject: Re: r255873: ahcich7: Timeout on slot 0 port 0 FLOODING kernel messages Message-ID: <20130927140851.GB87559@gahrfit.gahr.ch> In-Reply-To: <E7A06817-FAD4-4B3A-9BBA-BB4EB6C10FF8@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> <20130927125934.GA87559@gahrfit.gahr.ch> <52458A41.6040004@passap.ru> <E7A06817-FAD4-4B3A-9BBA-BB4EB6C10FF8@samsco.org>
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On 2013-Sep-27, 07:56, Scott Long wrote:
>=20
> On Sep 27, 2013, at 7:38 AM, Boris Samorodov <bsam@passap.ru> wrote:
>=20
> > 27.09.2013 16:59, Pietro Cerutti =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> >> On 2013-Sep-27, 05:57, Scott Long wrote:
> >>>=20
> >>> On Sep 27, 2013, at 5:52 AM, Sergey V. Dyatko <sergey.dyatko@gmail.co=
m> wrote:
> >>>=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 sta=
te?
> >>>>=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 dri=
vers
> >>> a loadable modules that might be out of sync now, or did you use a sh=
ort-
> >>> cut for building your kernel, like NO_CLEAN?
> >>=20
> >> 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:
> >>=20
> >> Sep 27 14:32:10 SN2000 kernel: ata3: setting up DMA failed
> >> Sep 27 14:32:12 SN2000 kernel: ata3: FAILURE - zero length DMA transfe=
r attempte
> >>=20
> >> reverting those two commits solved the issue.
> >=20
> > In my case just rebuilding and restarting of sysutils/hal helped.
>=20
>=20
> Interesting. I didn't test hal, probably should have. The compat shims =
I put in
> place should have made it work without a rebuild. I wonder if it's someh=
ow
> corrupting kernel state. Are others who are experiencing problems also r=
unning
> the hal package?
I am, I can try to rebuild hal with a non-reverted kernel.
--=20
Pietro Cerutti
The FreeBSD Project
gahr@FreeBSD.org
PGP Public Key:
http://gahr.ch/pgp
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