From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 8 Jan 2010 09:45:55 -1000 From: Tim Newsham To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> In-Reply-To: <8d4a75e55fc55419d48a3859337bc7da@plan9.bell-labs.com> Message-ID: References: <8d4a75e55fc55419d48a3859337bc7da@plan9.bell-labs.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Subject: Re: [9fans] parallels Topicbox-Message-UUID: ba54fc02-ead5-11e9-9d60-3106f5b1d025 > The thing that none of the VM monitors seem to offer (though I'd love > to be proven wrong) is debugging tools for the guest operating > systems. This is odd, as it was one of the major uses of VM/370. So > if a guest kernel goes off into space, the VM monitor shuts down the > virtual machine or resets it, but provides no means to find out what > happened, though it's in a perfect position to easily do so. There's a debugger built into qemu. VMWare lets you attach to it using the gdb protocol to debug the system. Is this what you had in mind? Or something more integrated and possibly intrusive to the guest? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com