Re: [Xen-ia64-devel] [IPF-ia64] with Cset 10690, creating aVTImakexen0 hang

[Alex Williamson <alex.williamson@xxxxxx>]

On Wed, 2006-07-19 at 20:16 +0900, Atsushi SAKAI wrote:
> Hi, Alex and Yamahata
> 
> Thank you for your comments.
> I will keep survey the below 2 issues.
> 
> But, another issue is still needs time to solve.
> (problem in hlt_timer_fn wake up before do_block and hangs up)
> One reason is it takes long time to reproduce the problem.
> 
> For the short term, there is two solutions exists.
> One solution is you suggested one .(disable idle-domain dispatch)
> Other is to add Anthony's TIMER_SLOP(for empirical solution)
> 
> I will ask maintener to select the solution.

   The TIMER_SLOP addition appears to be masking the problem, but
probably not eliminating it.  I think we should back out the patch and
continue to debug it out of the tree.  Thanks,

        Alex
-- 
Alex Williamson                             HP Open Source & Linux Org.


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