Re: r335282: first stage boot failure on PCengines APU 2C4

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Am Mon, 18 Jun 2018 07:42:20 -0600
Warner Losh <imp_at_bsdimp.com> schrieb:

> On Mon, Jun 18, 2018, 3:01 AM Olivier Cochard-Labbé <olivier_at_freebsd.org>
> wrote:
> 
> > On Sun, Jun 17, 2018 at 10:01 AM O. Hartmann <ohartmann_at_walstatt.org>
> > wrote:
> >  
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> > >
> > > Running CURRENT as routing and firewalling appliance on a PCengines APU
> > > 2C4 with the
> > > latest (official) SEABios available for this product, NanoBSD (FreeBSD
> > > CURRENT FreeBSD
> > > 12.0-CURRENT #60 r335278: Sun Jun 17 07:57:20 CEST 2018 amd64)is unable  
> > to  
> > > boot recent
> > > OS at the first stage (GPT partitioning, SD card memory).
> > >
> > > ​Hi,  
> >
> >
> > My nanobsd images are based on :
> > [root_at_apu2]~# uname -a
> > FreeBSD apu2 12.0-CURRENT FreeBSD 12.0-CURRENT  r335286M  amd64
> >
> > And I don't remember to have upgraded its BIOS:
> > [root_at_apu2]~# kenv smbios.bios.reldate
> > 03/07/2016
> > [root_at_apu2]~# kenv smbios.system.product
> > apu2
> >
> > But I'm using MBR partitionning on a mSATA disk.
> >  
> 
> Do you know the first version to have this problem? Are you using geli?
> 
> Warner
> 
> >  


Hello, 

if you addressed me (wasn't so clear from your reply on Olivier Cochard-Labbé's
reply to me), I could give you this information (I posted it to Allen Jude in response to

svn commit: r335254 - in head/stand/i386: libi386 zfsboot

probably the wrong commit. Please allow me to copy-paste:

[...]

I realised that CURRENT r335222 from Friday, 10th June 2018 booted without problems
(NanoBSD, slightly modified to boot off GPT/UEFI partitions, but in general a simple
"gpart bootcode -b pmbr -p /boot/gptboot -i 2 mmcsd0" preparation of a dd'd image).
Another try with recent r335282 on a APU 2C4, freshly build NanoBSD, fails to boot
firststage: the (most recent) SEABios stopps for ever at telling "Booting from hard
disk"; were usually a carret starts to spinn there is vast emptyness. Preparing the boot
partition with an older bootcode on that very same SD card via "gpart bootcode -b pmbr
- - -p /boot/gptboot -i 2 mmcsd0" with an older booted image of CURRENT has solved the
problem. The layout of the SD card is as follows, just for the record:

#: gpart show mmcsd0
=>      40  60751792  mmcsd0  GPT  (29G)  
        40      1024       2  freebsd-boot  (512K)
      1064   2205944       3  freebsd-ufs  (1.1G)
   2207008   2210127       4  freebsd-ufs  (1.1G)
   4417135   1048576       5  freebsd-ufs  (512M)
   5465711  55286121          - free -  (26G)

[...]

I didn't bi-sect the issue du to time constraints, but if it helps, I could try. I
resolved the problem temporarely by writing the bootcode and partition code from an older
image.

The APU is serial console only.

Kind regards,

Oliver Hartmann


- -- 
O. Hartmann

Ich widerspreche der Nutzung oder Übermittlung meiner Daten für
Werbezwecke oder für die Markt- oder Meinungsforschung (§ 28 Abs. 4 BDSG).
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