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xen-devel
RE: [Xen-devel] [PATCH][XEN]xm dump command add on
Simon,
Comments are enclosed.
On Wed, 2006-08-16 at 22:47 -0400, Graham, Simon wrote:
> > > 1. in xc_domain_dumpcore_via_callback why not just 'goto error_out;'
> > if
> > > sts<0? (as is done
> > > if the callback returns an error)
> > >
> > just because dumping failed on one page, it doesn't mean that the
> whole
> > dump is useless. in fact, there are many cases where the debugger
> would
> > like to see even a little information to help him/her. so i think it
> is
> > better to keep on dumping even if an error has occured. especially
> with
> > live dump, the page table state can change even while dumping, and if
> > that is the case, the dump can fail to dump a page even if it is not
> > caused by a critical error. instead, a message that shows how many
> > pages
> > failed as been logged.
Ok, I will release a new patch that fill failed dump pages with 0s.
best regards,
Ken
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