Date: Mon, 30 Sep 2002 16:28:12 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: =?iso-8859-1?Q?=DClk=FC?= SAYILAN <ulku.sayilan@kssgm.gov.tr> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: BTX halted Message-ID: <20020930152812.GB81795@happy-idiot-talk.infracaninophi> In-Reply-To: <19427074029.20020930170407@kssgm.gov.tr> References: <19427074029.20020930170407@kssgm.gov.tr>
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On Mon, Sep 30, 2002 at 05:04:07PM +0300, =DClk=FC SAYILAN wrote: > I have installed the freebsd 4.3 to no name SCSI pent 166 pc after > installation, during boot process he has gave error like this >=20 > int:0000... err:000....1a efl:......1026 eip > esi:00000.. ebx:0...... 0 ecx:........ edx > cs:0... ed:0.......43 ebp:......... esp >=20 >=20 > ds es fs gs ss > cs:eip:cc:00..........00 > ss:ep:..............0300 >=20 > BTX halted >=20 >=20 > What's the mean of this, anybody can explane this message?!?!? >=20 > is the problem depend on SCSI boot/disk partition, or ethernet cards? > or anythings? That's the boot loader crashing. That's pretty severe. In principal, given the crashdump you've printed out, it should be possible to go into the loader code and work out what was happening at that point, but you'ld probably have to ask on freebsd-hackers to find someone with the skills to do that. This could be one of a number of problems --- disk hardware failure, problems with the BIOS, wrong disk geometry. It's unlikely to be anything to do with the NICs. One problem, and the first thing to check, is something that used to be fairly common until sysinstall was modified to remove the temptation to use such things. "Dangerously dedicated" disks sound pretty cool to the uninitiated, but beware: many SCSI controllers/bioses can't cope with them. Unfortunately, the only solution if you've installed your system this way is to go back to the beginning and start all over again, and this time, install a proper partition table. If that isn't the case, can you verify that you can boot using the boot blocks from the installation media (I assume CD Rom)? Use this procedure: Start to boot the system from the CD. When you get the 10 second count down, hit the space bar to interrupt. You should end up at the boot: prompt. Now type: unload lsdev This will either generate a BTX dump (in which case, you've probably got pretty bad hardware problems) or it should show you a list of all potential boot devices, including your hard drive. Now type: set currdev=3D{harddrive} (ie. what lsdev returned for you= r HD) load kernel boot and you should end up with a running system. If that whole rigmarole worked, then the problem is that somehow the boot blocks on your hard drive have become scrambled, and you can probably repair things by reinstalling them. If it didn't work and you're not using dangerously dedicated disks, then you've got really nasty trouble lowlevel trouble which will take time, effort and probably the services of a FreeBSD guru to sort out. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks Savill Way Marlow Tel: +44 1628 476614 Bucks., SL7 1TH UK To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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