Re: FreeBSD-10 microdrive seagate ST1AT 4GB (VIA mbo) problem

On Thu, 2013-11-21 at 10:35 +0100, Berislav Purgar wrote:
> On Wed, Nov 20, 2013 at 11:29 PM, Ian Lepore <ian_at_freebsd.org> wrote:
> 
> > On Wed, 2013-11-20 at 21:27 +0100, Berislav Purgar wrote:
> > > Hello ..
> > >
> > > I have problem with microdrive and some CF cards on IGEL 3/4 compact thin
> > > client ( http://www.parkytowers.me.uk/thin/Igel/3210/index.shtml ).
> > Problem
> > > is that FreeBSD cannot find microdrive or CF card to mount sytem / on
> > (but
> > > kernel is found and loaded from microdrive or CF card). I have one CF
> > card
> > > (sandisk ultra II) which boots but with some timeouts before. Here are
> > > links to pictures of this problem.
> > >
> > > (aprobe:ata0:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00
> > 00
> > >
> > >
> > > http://s24.postimg.org/al2k6qfzp/WP_20131120_003_1.jpg
> > > http://s17.postimg.org/wm0s58kzz/WP_20131120_007_1.jpg
> > > http://s23.postimg.org/5sp2k4trf/WP_20131120_006_1.jpg
> > >
> > > i tried same configuration on openbsd5.3 and everething si Ok .. Any
> > > suggestions ?
> > >
> > > Tnx
> > > sorry for my English ..
> >
> > Try adding hw.ata.ata_dma=0 to your /boot/loader.conf.  I don't know why
> > the bios can do DMA on a CF and freebsd can't, but we've needed to add
> > that at $work for years (going back to freebsd 4.x at least).  Of
> > course, you pay a huge performance penalty for running in PIO mode.
> >
> > -- Ian
> >
> >
> Hi Ian
> 
> i try this but does not help. for better debuging i use gateworks GW2345
> board and found some interestingly ... if i destroy all partitions and
> partitions schemes on microdrive freebsd founds microdrive at boot and
> display info for it..
> 
> Timecounters tick every 10.000 msec
> ada0 at ata0 bus 0 scbus0 target 0 lun 0
> ada0: <ST640211CF 3.07> CFA-0 device
> ada0: 16.700MB/s transfers (PIO4, PIO 8192bytes)
> ada0: 3906MB (7999488 512 byte sectors: 16H 63S/T 7936C)
> ada0: Previously was known as ad0
> 
> full dmesg is here :
> http://pastebin.com/eWJ4XGyN
> 
> but if i create MBR (or GPT) on microdrive and check as before on avila
> board i got timeouts and microdrive not found ?!
> 
> ata_avila0: <Gateworks Avila IDE/CF Controller> on ixp0
> ata0: <ATA channel 0> on ata_avila0
> led_avila0: <Gateworks Avila Front Panel LED> on ixp0
> gpio_avila0: <Gateworks Avila GPIO driver> on ixp0
> gpioc0: <GPIO controller> on gpio_avila0
> gpiobus0: <GPIO bus> on gpio_avila0
> Timecounter "IXP4XX Timer" frequency 66666600 Hz quality 1000
> Timecounters tick every 10.000 msec
> (aprobe0:ata0:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00
> (aprobe0:ata0:0:0:0): CAM status: Command timeout
> (aprobe0:ata0:0:0:0): Error 5, Retry was blocked
> 
> full dmesg is here :
> http://pastebin.com/wPEexXKz
> 
> i don't think that this is dma problem !?

Hmm, yes, that does seem to be a different problem.

-- Ian