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Date:      Fri, 31 Jul 2015 12:52:36 -0500
From:      Larry Rosenman <ler@lerctr.org>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Glen Barber <gjb@FreeBSD.org>, Benno Rice <benno@freebsd.org>, <freebsd-current@freebsd.org>
Subject:   Re: pmspcv panic on boot on this box
Message-ID:  <14ee53e57a8.2846.a6b027662ce9a8103f88b1e74d3c5524@lerctr.org>
In-Reply-To: <9B59F252-D41D-4714-A983-356E525359FD@bsdimp.com>
References:  <20150730201351.GH90754@FreeBSD.org> <20150730201517.GI90754@FreeBSD.org> <ef34a26f9f5ba7ca413f79fd914c6b86@thebighonker.lerctr.org> <20150730221728.GK90754@FreeBSD.org> <452d406c68674df3834c75bd3736e6dc@thebighonker.lerctr.org> <20150731041815.GO90754@FreeBSD.org> <20150731042114.GP90754@FreeBSD.org> <af81a9c15931a72e2296cd9f28f462f9@thebighonker.lerctr.org> <20150731065016.GT90754@FreeBSD.org> <20150731102721.GA824@oldtbh.lerctr.org> <20150731133214.GV90754@FreeBSD.org> <14ee48f81d8.2846.a6b027662ce9a8103f88b1e74d3c5524@lerctr.org> <9B59F252-D41D-4714-A983-356E525359FD@bsdimp.com>

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Is this with or without Benno's patch?


On July 31, 2015 12:24:11 PM Warner Losh <imp@bsdimp.com> wrote:

> Try the following patch. There’s a fundamental misunderstanding of newbus 
> that’s screwing things up…
>
> Also available at http://people.freebsd.org/~imp/patch-queue/pms
>
> The problem is that the first time through for ahd0 we’re setting 
> cardMap[0] to 5. The second time through it is  already 5, so we say ‘oh, 
> this has been probed before’ and return 2. This causes antiapi_probe() to 
> return 0, because the card has already been probed before. This is wrong on 
> so many levels, but I’ll suppress channelling my inner bde and stop here.
>
> Warner
>
> diff -r 1805eb187340 sys/dev/pms/freebsd/driver/common/lxutil.c
> --- a/sys/dev/pms/freebsd/driver/common/lxutil.c
> +++ b/sys/dev/pms/freebsd/driver/common/lxutil.c
> @@ -757,18 +757,25 @@ STATIC int agtiapi_ProbeCard( device_t d
>  {
>    int idx;
>    static U32 cardMap[4] = { 0, 0, 0, 0 };
> +  u_int16_t agtiapi_vendor; // PCI vendor ID
>    u_int16_t agtiapi_dev; // PCI device ID
>    AGTIAPI_PRINTK("agtiapi_ProbeCard: start\n");
>
> +#if 0
>    if ( ! atomic_cmpset_32( &cardMap[thisCard], 0, 5 ) ) { // card already ran
>      AGTIAPI_PRINTK( "We'll only ID this card once -- %d\n", thisCard );
>      return 2; // error return value; card already ran this function
>    }
>    else {
> +#else
> +  {
> +#endif
> +    agtiapi_vendor = pci_get_vendor( dev ); // get PCI vendor ID
>      agtiapi_dev = pci_get_device( dev ); // get PCI device ID
>      for( idx = 0; idx < COUNT(ag_card_type); idx++ )
>      {
> -      if( ag_card_type[idx].deviceId == agtiapi_dev )
> +      if( ag_card_type[idx].deviceId == agtiapi_dev &&
> +	  ag_card_type[idx].vendorId == agtiapi_vendor)
>        { // device ID match
>          memset( (void *)&agCardInfoList[ thisCard ], 0,
>                  sizeof(ag_card_info_t) );
>
>
>
> > On Jul 31, 2015, at 8:41 AM, Larry Rosenman <ler@lerctr.org> wrote:
> >
> > Please do pull it from GENERIC until this is fixed in HEAD  and RELENG/10.
> >
> >
> > On July 31, 2015 8:32:17 AM Glen Barber <gjb@FreeBSD.org> wrote:
> >
> >> On Fri, Jul 31, 2015 at 05:27:22AM -0500, Larry Rosenman wrote:
> >> > Ok, I made a GENERIC-NOPMS, without the device pmspcv, and adjusted my 
> custom
> >> > to include GENERIC-NOPMS.   And we boot (I'm typing this from a ssh 
> session
> >> > to the box).
> >> >
> >>
> >> Larry, thank you very much for testing this.
> >>
> >> Benno, for 10.2-RELEASE, I think we're going to pull pmspcv from GENERIC
> >> and issue an EN for the driver update when this is fixed.
> >>
> >> I think this should be pulled from GENERIC in head and stable/10 in the
> >> meantime, as well.
> >>
> >> Glen
> >>
> >
> >
> > _______________________________________________
> > freebsd-current@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-current
> > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
>





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