Date: Mon, 24 Oct 2011 08:18:43 -0400 From: John Baldwin <jhb@freebsd.org> To: Andriy Gapon <avg@freebsd.org> Cc: Pavel Timofeev <timp87@gmail.com>, freebsd-current@freebsd.org, Dennis Koegel <dk@neveragain.de> Subject: Re: Fresh installed Freebsd 9 don't boot from hd Message-ID: <201110240818.43938.jhb@freebsd.org> In-Reply-To: <4EA1E60C.8040403@FreeBSD.org> References: <CAAoTqftvv1t214Q9uWJR-Jug4GJEZshXyOr6uB_d19h2NV89XA@mail.gmail.com> <4EA1E3D0.9000300@FreeBSD.org> <4EA1E60C.8040403@FreeBSD.org>
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On Friday, October 21, 2011 5:37:16 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 > >> mirror) > >>>> as test. [...] > >>>> It was fresh install and I choose guided partitioning (GPT) > >>>> But after reboot my server don't boot from hd. > >>> > >>> 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. > >> > >> Working offline with Dennis, we found that changing the CFLAGS in > >> sys/boot/i386/gptboot/Makefile from "-O1" to "-Os -mrtd" (partially reverting > >> an earlier commit) fixed gptboot. The next test for someone to do would be to > >> try just adding "-mrtd" and leaving "-O1" as-is to see if that fixes it. > > > > Hmm, this is quite unexpected... Do you have a hypothesis why not using -mrtd > > could cause a problem (a miscompilation?) ? > > 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. > > A litmus question: do those experiencing the trouble all have BTX_SERIAL defined? No, they all have an HP machine. > P.S. BTW, is BTX_SERIAL documented anywhere? It is not, and I strongly doubt anyone has it enabled. You can't use it with boot2 for example due to size bloat. -- John Baldwin
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