Re: [Xen-devel] [PATCH] tools/xenconsoled: Initialise pointers before trying to use them

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, 2013-03-07 at 16:22 +0000, Andrew Cooper wrote:
> On 07/03/13 16:20, Wei Liu wrote:
> > On Thu, 2013-03-07 at 15:13 +0000, Andrew Cooper wrote:
> >> This is a regression introduced by
> >>
> >> "Switch from select() to poll() in xenconsoled's IO loop."
> >>   hg c/s 26405:7359c3122c5d
> >>   git cc5434c933153c4b8812d1df901f8915c22830a8
> >>
> >> which results in reliable segfaults during VM power operations.
> >>
> >> Signed-off-by: Marcus Granado <marcus.granado@xxxxxxxxxx>
> >> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> >>
> > Good catch. Thanks.
> >
> >
> > Wei.
> >
> 
> Sadly, after fixing these segfaults, the code as currently is will cause
> xenconsoled to exit gracefully as soon as you try and boot the 128th
> domain.  We are currently investigating the issue.
> 

Odd. So you were implying if you didn't fix this bug, you succeeded in
booting up >128 guests?

All the exit paths have "dolog" which outputs to stderr, so maybe run
xenconsoled in foreground can help.


Wei.

> ~Andrew



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