Re: Fresh installed Freebsd 9 don't boot from hd

On Oct 21, 2011, at 2:37 PM, Andriy Gapon wrote:

> on 22/10/2011 00:27 Andriy Gapon said the following:
>> on 21/10/2011 23:33 John Baldwin said the following:
>>> On Friday, October 21, 2011 4:58:51 am Dennis Koegel wrote:
>>>> On Thu, Oct 20, 2011 at 11:28:08AM +0400, Pavel Timofeev wrote:
>>>>> I used FreeBSD 9 amd64 on my HP Proliant DL360 G5 (smart array =
p400i=20
>>> mirror)
>>>>> as test. [...]
>>>>> It was fresh install and I choose guided partitioning (GPT)
>>>>> But after reboot my server don't boot from hd.
>>>>=20
>>>> We have the same issue on a DL580 G7. Install runs fine, but when =
it's
>>>> time for the first boot, the bootcode emits a single '-' (where =
usually
>>>> it would be "spinning" for a moment while loading), hangs for about =
two
>>>> seconds, and then reboots.
>>>=20
>>> Working offline with Dennis, we found that changing the CFLAGS in=20
>>> sys/boot/i386/gptboot/Makefile from "-O1" to "-Os -mrtd" (partially =
reverting=20
>>> an earlier commit) fixed gptboot.  The next test for someone to do =
would be to=20
>>> try just adding "-mrtd" and leaving "-O1" as-is to see if that fixes =
it.
>>=20
>> Hmm, this is quite unexpected...  Do you have a hypothesis why not =
using -mrtd
>> could cause a problem (a miscompilation?) ?
>=20
> I've just got one: maybe the trouble is caused by the sio_putc =
procedure in
> sys/boot/i386/btx/btx/btx.S.  It seems to be the only place in the =
boot code
> where 'ret <number>' instruction is explicitly used.
>=20
> A litmus question: do those experiencing the trouble all have =
BTX_SERIAL defined?

Not sure where BTX_SERIAL would be defined, but I'm seeing the problem =
with the generic kernel. Does that answer your question?

Also, how does this relate to my observation that my system boots in IDE =
mode, but hangs in AHCI mode?

> P.S. BTW, is BTX_SERIAL documented anywhere?
>=20
> --=20
> Andriy Gapon
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