Subject: Re: /sys/scsi/sd.c's sddump()
To: Paul Kranenburg <>
From: Theo de Raadt <>
List: tech-kern
Date: 12/05/1994 14:22:34
> > One possibility is that the core dump format has changed recently, and
> > i doubt the dump code has been updated to match.  you may want to look
> > into this...
> > 
> Crash dumps don't use the new (nor the old) core dump format. Its just
> a sequential dump of physical memory + some machine specific state and
> is not ordered in "segments" (registers+text+data[+data*] in current core
> format).  Support for reading crash dumps is in libkvm.
> On the sparc, crash dumps were ok with the sd dump routine. sddump() in
> scsi/sd.c is currently incompatible with sparc's dumpsys() usage.

Yes -- make sure you look at the old sparc/scsi driver (in 1.0).  Crash
dumps in there definately worked.