Re: [Xen-ia64-devel] Xen/IPF Unstable CS#18688, Linux#705, ioemu#629adb3f... Status --- no new issue, report 3 old bugs

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Tue, Oct 28, 2008 at 12:12:45PM +0900, Isaku Yamahata wrote:
> > I thought Jingke isn't saying this  topic. What he found maybe he failed to 
> > create the domain when the domain is created and destoryed continuously for 
> > more 62 times. Seems the issue is from  the the algorithm for deallocating 
> > rid blocks doesn't work, when destroying the guest.  
> 
> Oh I see. Thank you for the explanation.

Could you try the following patch?


IA64: fix XENMEM_add_to_physmap with XENMAPSPACE_mfn.

page reference count was leaked so that hvm domain wasn't freed.
This patch fixes it.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff --git a/xen/arch/ia64/xen/mm.c b/xen/arch/ia64/xen/mm.c
--- a/xen/arch/ia64/xen/mm.c
+++ b/xen/arch/ia64/xen/mm.c
@@ -3365,7 +3365,6 @@ arch_memory_op(int op, XEN_GUEST_HANDLE(
         /* Map at new location. */
         /* Here page->count_info = PGC_allocated | N where N >= 1*/
         __guest_physmap_add_page(d, xatp.gpfn, mfn);
-        page = NULL; /* prevent put_page() */
 
     out:
         domain_unlock(d);


-- 
yamahata

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