Re: [Xen-devel] [xen-unstable-smoke test] 115515: regressions - FAIL

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Nov 03, 2017 at 12:46:03PM +0000, Wei Liu wrote:
> On Fri, Nov 03, 2017 at 10:54:58AM +0000, Wei Liu wrote:
> > On Fri, Nov 03, 2017 at 10:34:44AM +0000, Julien Grall wrote:
> > > Hi,
> > > 
> > > On 03/11/17 10:29, osstest service owner wrote:
> > > > flight 115515 xen-unstable-smoke real [real]
> > > > http://logs.test-lab.xenproject.org/osstest/logs/115515/
> > > > 
> > > > Regressions :-(
> > > > 
> > > > Tests which did not succeed and are blocking,
> > > > including tests which could not be run:
> > > >   test-amd64-amd64-libvirt     15 guest-saverestore        fail REGR. 
> > > > vs. 115490
> > > >   test-amd64-amd64-xl-qemuu-debianhvm-i386 13 guest-saverestore fail 
> > > > REGR. vs. 115490
> > > > 
> > > > Tests which did not succeed, but are not blocking:
> > > >   test-amd64-amd64-libvirt     13 migrate-support-check        fail   
> > > > never pass
> > > >   test-armhf-armhf-xl          13 migrate-support-check        fail   
> > > > never pass
> > > >   test-armhf-armhf-xl          14 saverestore-support-check    fail   
> > > > never pass
> > > > 
> > > > version targeted for testing:
> > > >   xen                  29028ed8db226ad3b7bc576c1e8891983acaa3ff
> > > > baseline version:
> > > >   xen                  ff93dc55431517ed29c70dbff6721c6b0803acf9
> > > 
> > > The only difference between the two is the series from Andrew about the
> > > tools. Any idea, why it would break?
> > > 
> > 
> > This
> > 
> > libxl-save-helper: debug: starting restore: Success
> > xc: detail: fd 9, dom 3, hvm 0, pae 0, stream_type 0
> > xc: info: Found x86 HVM domain from Xen 4.10
> > xc: info: Restoring domain
> > domainbuilder: detail: xc_dom_gnttab_hvm_seed: called, scratch gfn=0x148850
> > xc: error: panic: xc_dom_boot.c:392: xc_dom_gnttab_hvm_seed: failed to add 
> > gnttab to physmap [errno=22]
> > : Internal error
> 
> My bisection shows the following commit is the culprit.
> 
> 
> 9ff6dbfa7576cc1c5d6f9a3c59c69a8503e36f11 is the first bad commit
> commit 9ff6dbfa7576cc1c5d6f9a3c59c69a8503e36f11
> Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Date:   Thu Oct 12 20:19:09 2017 +0100
> 
>     tools/dombuilder: Prevent failures of xc_dom_gnttab_init()
> 
>     Recent changes in grant table configuration have caused calls to
>     xc_dom_gnttab_init() to fail if not proceeded with a call to
>     xc_domain_set_gnttab_limits().  This is backwards from the point of view 
> of
>     3rd party dombuilder users.
> 
>     Add max_{grant,maptrack}_frames parameters to struct xc_dom_image, and 
> require
>     them to be set by callers using xc_dom_gnttab_init().  Libxl, which uses
>     xc_dom_gnttab_init() itself is updated appropriately.
> 
>     Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>     Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
>     Tested-by: Julien Grall <julien.grall@xxxxxxx>
>     Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
>     Release-acked-by: Julien Grall <julien.grall@xxxxxxxxxx>
> 

I have reverted this since I won't have time to fix it this afternoon
and I don't want to block the pushgate during w/e.

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