Re: kern/53311: boot netbsd -d panics

[Valery Ushakov <uwe%stderr.spb.ru@localhost>]

The following reply was made to PR kern/53311; it has been noted by GNATS.

From: Valery Ushakov <uwe%stderr.spb.ru@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/53311: boot netbsd -d panics
Date: Fri, 25 May 2018 17:53:53 +0300

 On Fri, May 25, 2018 at 17:37:44 +0300, Valery Ushakov wrote:
 
 > Under VirtualBox with --debug - when the machine is sitting at that
 > ddb prompt the EBP is c1516be4, when it triple faults esp=c1512fc0
 > ebp=c15130dc, so it looks like bt runs out of kernel stack in an
 > unbound recursion.
 
 Actually, any attempts to examine data in the VM (including addresses
 that should be valid, like kernel text) give me VERR_PAGE_TABLE_NOT_PRESENT
 
 -uwe