[Pkg-xen-devel] double free or corruption in xl 4.2

Olivier Bonvalet xen.list at daevel.fr
Sun Aug 18 10:54:51 UTC 2013


Le samedi 17 août 2013 à 11:37 +0100, Ian Campbell a écrit :
> On Sat, 2013-08-17 at 09:35 +0200, Olivier Bonvalet wrote:
> > 
> > Is it an xl bug, that I should report upstream ? 
> 
> Well it's certainly a bug but it is hard to say if it is upstream or if
> it is caused by (perhaps partially incomplete) backports in the
> packaging. Before reporting upstream it would ideally be reproduced with
> either the latest 4.2.x or the development branch.
> 
> Do you have symbols for the xl binary? That might make the backtrace
> more useful.
> 
> "xl -vvv create" may also give some information about what was going on.
> 
> You could also try running under valgrind and see if that can pinpoint
> the issue. If it is crashing early enough then maybe regular valrind
> will work, but if it is happening later (specifically after any
> hypercalls are made) then you would need the new upstream valgrind
> support for knowing about Xen -- this is only in svn though.
> 
> Ian.
> 
> 


Hi,

thanks for your answer.

After more tests, I saw that it's just a "disk full" problem. When the
disk of the dom0 is full xl crash instead of returning a more explicit
error message.

So, no big problem here, if the disk is not null, all works fine.

Thanks for your time,
Olivier




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