I had to debug a solaris crash dump and had no ides. Google search wasn’t much useful until finally I found this article:
have a look at this article, this suggests how to debug the core and find the offending process and root cause of the core in case of kernel panic.
If you are behind a firewall and install some software like top or wget then you can not use sunfreeware, and why because ftp is blocked. Now that is not the case any more, you can go the http mirror site of sunfreeware and here is the link for the same
Note: you just need to change the words in bold for sparc or i386 and version of the solaris.