Continuing saga: FreeBSD -CURRENT hangs with ATA code after April

Joe Marcus Clarke marcus at
Mon Mar 2 13:27:22 PST 2009

On Mon, 2009-03-02 at 23:20 +0200, Alexander Motin wrote:
> Joe Marcus Clarke wrote:
> > I started this thread on May 31 of last year:
> > 
> >
> > 
> > The problem remains as of:
> > 
> > FreeBSD 8.0-CURRENT FreeBSD 8.0-CURRENT #12: Sun Mar
> > 1 16:10:52 EST 2009
> > gnome at  i386
> > 
> > The only way I can boot this system is to hack in the ATA code from
> > April 9, 2008.  I would love just to be able to boot this guy on a
> > default -CURRENT.
> 1) If I understand right, you had working system on April 9, 2008 and 
> not working on May 31, 2008 and now. Have you tried to narrow down that 
> interval between working and not working system to find exact point of 
> breakage? I see no documented changes in Promise support there in CVS 
> log, but for example, on Apr 10 2008 I see some related changes 
> unmentioned in commit message.

The April 9 date is the documented date of last working.  It was the
commit on April 10 13:05:05 that broken things:

"Add experimental support for SATA Port Multipliers

Support is working on the Silicon Image SiI3124/3132.
Support is working on some AHCI chips but far from all.

Remember this is WIP, so test reports and (constructive) suggestions are welcome!"

> 2) To properly associate problem with present sources I would like to 
> see full problem verbose messages for the current HEAD.

Sure, I'll reboot in a bit.

> 3) As my mom told me 15 years ago, if you don't understand what's going 
> on, insert debugging printfs. If system hangs and we have no other 
> sources of information, I would start from putting
> 	printf("%s\n", __func__);
> wherever it is possible to get readable path. I would start from every 
> ata_promise_mio_* function beginning of HEAD code.

Thanks!  I was curious on a location.  I'll update the thread with this


Joe Marcus Clarke
FreeBSD GNOME Team      ::      gnome at
FreeNode / #freebsd-gnome
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