Fwd: FreeBSD Sparc 11.0 RC1 Install Problem

Chris syseng at gfsys.co.uk
Wed Sep 7 23:26:21 UTC 2016

On 09/07/16 21:51, Marius Strobl wrote:
> On Wed, Aug 31, 2016 at 03:11:53PM +0000, Chris wrote:
>> -------- Original Message --------
>> Subject: FreeBSD Sparc 11.0 RC1 Install Problem
>> Date: Wed, 31 Aug 2016 15:07:21 +0000
>> From: Chris<xxx.syseng.yyy at gfsys.co.uk>
>> Reply-To: syseng at gfsys.co.uk
>> Newsgroups: comp.unix.bsd.freebsd.misc
>> Hi,
>> Have just installed the above on a V215 with a minor issue.
>> After install shutdown, then reboot, the system hangs after
>> the UHUB2 line. An earlier messages says:
>> nexus0:<syscons>  type unknown, no driver attached
>> Have been trying out various earlier releases over the
>> past few months and one of the tips to solve an Xorg
>> problem with console was to include the line:
>> kern.vty=vt, in /boot/loader.conf
>> This didn't solve the problem in the previous case,
>> but was the clue here.
>> When this is included, the system boots as normal. Don't
>> know if this is a bug that has already been fixed, but
>> syscons appears to be needed to run Xorg, isn't present
>> and the system, and 11rc2 defaults to it. Just where is the
>> code for syscons and how can it be included ?. A complete
>> newbie to all this, embedded systems here, but the build
>> procedures and Makefiles are well above my pay grade at
>> present.
> Hi,
> while syscons(4) and vt(4) don't play well together on sparc64 when
> both are compiled into the same kernel (as it's the case for 11.0-RC2
> GENERIC), I can't actually trigger a boot hang with that combo.
> Unfortunately, the information provided above also doesn't make much
> sense; e. g. vt(4) already is the default with 11.0-RC2 GENERIC so
> setting it via loader.conf is redundant and it remains unclear what
> vt(4) is doing, i. e. whether it is driving some hardware (or at
> least trying to).
> How did you obtain the nexus0 line or see that the boot hangs after
> uhub2; are you using LOM or serial console? Is there actually a
> graphics card in that machine? What happens if you use a custom
> built kernel without vt(4)?
> Marius


Thanks for the reply. I think I may have found the real cause, in
that the problem showed up when I used the reboot command at the
command line, rather than doing a power off and on via ilom or
the power input. It's not really a serious issue, but suggests
that that the reboot command is leaving some part of the hardware
in an unexpected state prior to reboot. A power cycle of course,
resets everything to a known state.

The nexus line was among the stream of messages on a reboot and we
are using ssh / terminal logins exclusively. There is a graphics
card in the machine, a Sun XVR300, aka radeon 2250 with different
firmware. It's not used at present though it does show up during boot
as vga, fwir. Also seen by X, as far as it goes, before crashing.

I've been away from it for a couple of days, but will try to get more
info and report back. There is a sc line in the kernel config,
but if there are conflicts, I guess it would be ok to remove
that and other unneeded entries and rebuild the kernel ?. According
to some docs, syscons needs the vga driver and another item in the
kernel, neither of which are there at present, so it may be a good
idea to remove it anyway. Will give it a try later this week...



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