Re: hanging tapdisk2 processes and improper udev rules

[Ian Campbell <Ian.Campbell@eu.citrix.com>]

On Fri, 2011-07-22 at 15:28 +0100, Andreas Olsowski wrote:
> >> My expertise with C is barely existant, but i took a look at
> >> tools/libxl/libxl_device.c
> >>
> >> and changed your
> >> libxl__device_destroy_tapdisk(gc, be_path);
> >> into
> >> libxl__device_destroy_tapdisk(&gc, be_path);
> >>
> >> as i have seen some&gc on other lines of code.
> >
> > That looks right. I think this is just a difference between current
> > xen-unstable and xen-4.1 (due to 23045:c426a7140c99 FWIW).
> What do you mean looks right, the compilation errors or my 
> shot-in-the-dark adjustment?

Your fix looked sensible.

> 
> > Uh. That really shouldn't happen :-/ In fact baring a bug in the host OS
> > itself I'm not sure how ps can ever get into that state...
> I had this happen before on two occasions (one of them using xm to 
> create a guest, whereas xl worked fine) and Sébastien Riccio wrote in 
> this thread, that he encountered it too.
> If this one returns during "normal operation", ill write some more.
> 
> > It's possible that it relies on something in xen-unstable that I'm not
> > aware of. Would it be possible for you to try and repro this issue with
> > xen-unstable.hg and this patch?
> Yes, i can and will do that.
> Probably later this evening (4PM here now), but definitely this weekend.
> I will reply to this thread with the results.

Thanks.

Ian.