Re: amd64-current won't boot (another one)

[Hisashi T Fujinaka <htodd%twofifty.com@localhost>]

On Fri, 6 Jul 2012, Chavdar Ivanov wrote:

> On 6 July 2012 18:42, Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> > On Fri, Jul 06, 2012 at 11:39:08AM +0100, Chavdar Ivanov wrote:
> > > On 6 July 2012 10:52, Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:
> > > > Hi,
> > > >
> > > > The last amd64 6.99.8 to work for me was from 26/06 (but then I had a
> > > > few days missed, as I was moving room in the office and the kit was
> > > > powered down).
> > > >
> > > > The good dmesg is attached.
> > > >
> > > > On the newer builds I get
> > > >
> > > > ahcisata0 channel 0: clearing WDCTL_RST failed for drive 0
> > > > ahcisata0 channel 2: clearing WDCTL_RST failed for drive 0
> > >
> > >
> > > The trivial (and most likely wrong) patch:
> > >
> > > --- sys/dev/ic/ahcisata_core.c.ORIG   2012-07-06 11:21:25.000000000 +0100
> > > +++ sys/dev/ic/ahcisata_core.c        2012-07-06 11:21:46.000000000 +0100
> > > @@ -685,17 +685,6 @@
> > >       cmd_tbl->cmdt_cfis[fis_type] = RHD_FISTYPE;
> > >       cmd_tbl->cmdt_cfis[rhd_c] = drive;
> > >       cmd_tbl->cmdt_cfis[rhd_control] = 0;
> > > -     switch(ahci_exec_fis(chp, 31, flags)) {
> > > -     case ERR_DF:
> > > -     case TIMEOUT:
> > > -             aprint_error("%s channel %d: clearing WDCTL_RST failed "
> > > -                 "for drive %d\n", AHCINAME(sc), chp->ch_channel, drive);
> > > -             if (sigp)
> > > -                     *sigp = 0xffffffff;
> > > -             goto end;
> > > -     default:
> > > -             break;
> > > -     }
> > >       /*
> > >        * wait 31s for BSY to clear
> > >        * This should not be needed, but some controllers clear the
> > >
> > > gets me working again, so it is something in rev. 1.35 of
> > > ahcisata_core.c; the ball is with Manuel then.
> >
> > that's strange, especially as setting the RST bit did work.
> > It would be interesting to know if it's a TIMEOUT or DF.
> > Could you see if setting cmd_tbl->cmdt_cfis[rhd_control] to WDCTL_4BITS
> > instead of 0 would help ?
> > Also, maybe try a DELAY() of 5000 to 10000 before this ahci_exec_fis().
> > Last, you could see if the attached patch helps.
>
> I was thinking of trying these myself earlier, especially increasing
> the TIMEOUT. I won't be able to do it before Monday, though (the box
> is in the office, there is no remote console access to it).

I can try whatever you need.

--
Hisashi T Fujinaka - htodd%twofifty.com@localhost
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte