Boot problems after install Part II

[Mark Walker]

I'm using BootX.  My system is a PowerMac 7500 w/Sonnet G3 400 upgrade.

On Thu, 29 Aug 2002 04:18:40 -0700 "Timothy A. Seufert" <tas@mindspring.com>
wrote:

> At 8:53 PM -0700 8/28/02, Mark Walker wrote:
> >I was able to see this much of the error
> message after it gave up trying to
> >load the kernel:
> >dev 08:04 blksize=512 blocknr=14578641
> sector=14578641 size=512 count=1
> >hfs_fs: unable to read block 0x00de73d1 from
> dev 08:04
> >attempt tp access beyond end of device
> >08:04: rw=0, want 7289321, limit 20480
> >
> >My boot loader is on sda4 (20MB), swap is sda6
> (256MB), ext2 is on sda7
> >(6.8GB)
> >sda1 & 2 are Mac related as is sda5 which is
> MacOS 9 (1.5GB)
> >Sdb is a 4.5 GB drive in Mac HFS
> >
> >Thinking it might be scsi termination related
> I've tried every possible
> >combination following manufacture direction
> and making some up as I go.  I
> >also moved the drives to different positions
> on the scsi cable.  I also made
> >sda scsi id 1 instead of 0.  I also tried it
> with just sda connected.
> 
> For what it's worth, I don't think it's SCSI
> termination that causes 
> that error.  08:04 is another notation for
> sda4.  08 is the major 
> device number for sda, 04 is the minor device
> number for partition 4. 
> Actually, it's a little more complicated than
> that, but it suffices 
> to say that 08:04 is the device number
> corresponding to sda4.
> 
>  From the errors, it looks as though the
> kernel's HFS filesystem 
> driver is trying to read block 7289321 from
> sda4, even though that 
> partition has just 20480 blocks.  20480 blocks
> equals 20MB if they're 
> 1KB blocks, which is a likely block size for a
> 20MB HFS file system, 
> so at least that much makes sense.
> 
> What boot loader are you trying to use?  It
> looks like either it or 
> something in the kernel is a bit confused about
> what to expect on 
> partition sda4.
> -- 
> Tim Seufert
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