From: jordan.breeding@attbi.com
To: jordan.breeding@attbi.com
Cc: Jan-Benedict Glaw <jbglaw@lug-owl.de>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Trouble rebooting Tyan Thunder K7 (S2462UNG)
Date: Sat, 20 Apr 2002 13:01:39 +0000
Message-Id: <20020420130139.XUZR1901.rwcrmhc52.attbi.com@rwcrwbc55>
Sender: linux-kernel-owner@vger.kernel.org

Hello,

  Sorry about any duplicates of the last reply I sent 
which might have gotten sent out, I am having to use 
an online emailer right now and it seems to be 
acting up.

Jordan Breeding
> Sorry that I did not explain myself better the first time.  
> The other OSes on this machine _do_ initialize a 
> cold boot.  Here is how they _all_ reboot:  screen 
> immediately goes black, hd light comes on as 
> memory is ECC checked, hd light goes off and BIOS 
> post screen comes up (monitor is now on again), 
> Adaptec SCSISelect screen comes up, BIOS issues 
> single beep and boots into GRUB.  This is the way 
> that _all_ versions of linux reboot with _all_ reboot 
> parameters:  screen hangs (but still has text on it, ie. 
> the reboot messages) for at least 15-30 seconds, 
> screen then goes blank, hd light comes on but _not_ 
> for ecc check (during ecc check nothing is accessed 
> except for memory) instead the system goes straight 
> into SCSISelect once the screen goes blank and the 
> hd light comes on (this is evident because during 
> normal boot SCSISelect is the stage at which the hd 
> light is on and each SCSI device is accessed in 
> order), once SCSISelect has polled every id on the 
> system it tries to hand back off to the BIOS which 
> was apparently never initialized correctly during a 
> Linux reboot since it issues a very weird series of 
> eight or so BIOS beeps and then just sits there, the 
> ecc memory is never polled, the BIOS post screen 
> never comes up, the monitor never goes active 
> again, the system is just hung at a black screen until 
> I hard reboot it.  Other OSes _do_ perform a reboot 
> in which ecc memory is polled however, so that 
> does not seem to be the problem here.  Thanks for 
> any more help anyone can offer.
> 
> Jordan Breeding
> > On Fri, 2002-04-19 23:15:23 -0000, Jordan Breeding <jordan.breeding@attbi.com>
> > wrote in message 
> > 
> <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAAjQHXypTRWUeX0Da3WGxUUMKAAAAQAAAA
> > b2jlXi9TM0a+IKeYbO47lAEAAAAA@attbi.com>:
> > >   I am having trouble getting a brand new Tyan Thunder K7 S2462UNG (the
> > > one with onboard SCSI) to reboot successfully using Linux.  This board
> > 
> > > FreeBSD do with this board, instead the text stays there for at least
> > > 15-20 seconds (maybe longer) then when it finally blanks the video and
> > > the monitor light begins to flash it goes straight into the Adaptec
> > > SCSISelect scan (I can tell because my HD light comes on and the CDROMs
> > 
> > What is so uncommon? The board does use ECC RAM, so maybe the board's
> > BIOS / firmware needs this time to blank and check all the RAM. Maybe
> > othe OSes don't initiate a full "cold boot" but something that doesn't
> > make the board to re-initialize all the RAM...
> > 
> > MfG, JBG
> > 
> > -- 
> > Jan-Benedict Glaw   .   jbglaw@lug-owl.de   .   +49-172-7608481
> > 	 -- New APT-Proxy written in shell script --
> > 	   http://lug-owl.de/~jbglaw/software/ap2/
> > 
> -
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