Re: [Xen-devel] [linux-3.18 bisection] complete test-amd64-amd64-xl-shadow

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Wei Liu [mailto:wei.liu2@xxxxxxxxxx]
> Sent: 24 August 2018 10:13
> To: osstest service owner <osstest-admin@xxxxxxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx; Wei Liu <wei.liu2@xxxxxxxxxx>; Paul
> Durrant <Paul.Durrant@xxxxxxxxxx>
> Subject: Re: [Xen-devel] [linux-3.18 bisection] complete test-amd64-amd64-
> xl-shadow
> 
> On Fri, Aug 24, 2018 at 12:58:43AM +0000, osstest service owner wrote:
> > branch xen-unstable
> > xenbranch xen-unstable
> > job test-amd64-amd64-xl-shadow
> > testid guest-start
> >
> > Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-
> stable.git
> > Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
> > Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
> > Tree: qemuu git://xenbits.xen.org/qemu-xen.git
> > Tree: xen git://xenbits.xen.org/xen.git
> >
> > *** Found and reproduced problem changeset ***
> >
> >   Bug is in tree:  xen git://xenbits.xen.org/xen.git
> >   Bug introduced:  a2d9a6fa1fcd2dfcfa9d1d34998156f9399a3eb2
> >   Bug not present: 83fa6552cea112a900ec7891f8c170d022fe7e20
> >   Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/126505/
> >
> >
> >   commit a2d9a6fa1fcd2dfcfa9d1d34998156f9399a3eb2
> >   Author: Paul Durrant <paul.durrant@xxxxxxxxxx>
> >   Date:   Thu Aug 9 10:59:41 2018 +0100
> >
> >       tools/libxenctrl: use new xenforeignmemory API to seed grant table
> >
> >       A previous patch added support for priv-mapping guest resources
> directly
> >       (rather than having to foreign-map, which requires P2M modification 
> > for
> >       HVM guests).
> >
> >       This patch makes use of the new API to seed the guest grant table
> unless
> >       the underlying infrastructure (i.e. privcmd) doesn't support it, in 
> > which
> >       case the old scheme is used.
> >
> >       NOTE: The call to xc_dom_gnttab_hvm_seed() in
> hvm_build_set_params() was
> >             actually unnecessary, as the grant table has already been seeded
> >             by a prior call to xc_dom_gnttab_init() made by 
> > libxl__build_dom().
> >
> >       Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> >       Acked-by: Marek Marczykowski-G??recki
> <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> >       Reviewed-by: Roger Pau Monn?? <roger.pau@xxxxxxxxxx>
> >       Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> >       Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> >
> >
> > For bisection revision-tuple graph see:
> >    http://logs.test-lab.xenproject.org/osstest/results/bisect/linux-
> 3.18/test-amd64-amd64-xl-shadow.guest-start.html
> > Revision IDs in each graph node refer, respectively, to the Trees above.
> 
> domainbuilder: detail: vcpu_x86_64: called
> domainbuilder: detail: vcpu_x86_64: cr3: pfn 0x2245 mfn 0x244845
> xenforeignmemory: error: ioctl failed: Invalid argument
> xc: error: panic: xc_dom_boot.c:420: xc_dom_gnttab_seed: failed to acquire
> d1 grant table [errno=22]
> : Internal error
> libxl: error: libxl_dom.c:750:libxl__build_dom: xc_dom_gnttab_init failed:
> Invalid argument
> domainbuilder: detail: xc_dom_release: called
> 

Taking a look now... Just forcing hap off doesn't generate an immediate repro 
so I'll have to have a closer look at the environment.

  Paul

> Wei.

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