lkml.org 
[lkml]   [2012]   [Apr]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/4] Export offsets of VMCS fields as note information for kdump
On 04/19/2012 02:27 PM, HATAYAMA Daisuke wrote:
> >> The reason why we want to retrieve guest machine's memory image as
> >> crash dump is that then we can debug guest machine's status using
> >> symbolic debugger such as gdb and crash utility.
> >>
> >> This is very useful. Please consider the situation where engineers are
> >> forced to look into guest machine's memory image through qemu-kvm's
> >> process core dump using gdb without any symbolic information. It's
> >> very inefficient.
> >
> > I still don't follow. If qemu crashed, the values in guest registers
> > are irrelevant. In what way can the help debug the qemu crash?
> >
>
> It would be not helpful for the qemu crash case you are concerned
> about. We want to use the guest state data to look into guest
> machine's image in the crasshed qemu.

Why?

--
error compiling committee.c: too many arguments to function



\
 
 \ /
  Last update: 2012-04-19 13:35    [W:0.092 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site