Re: [Xen-devel] [xen-unstable bisection] complete test-amd64-i386-xl-win-vcpus1

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 15.01.13 at 10:55, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> Adding Daniel & Jan.
> 
> Looking at the most recently failed flight
> http://www.chiark.greenend.org.uk/~xensrcts/logs/15046/test-amd64-i386-xl-wi 
> n-vcpus1/info.html
> we have
> http://www.chiark.greenend.org.uk/~xensrcts/logs/15046/test-amd64-i386-xl-wi 
> n-vcpus1/8.ts-guest-saverestore.log which contains:
>         Loading new save file image (new xl fmt info 0x0/0x0/620)
>          Savefile contains xl domain config
>         WARNING: ignoring "kernel" directive for HVM guest. Use 
> "firmware_override" instead if you really want a non-default firmware
>         xc: error: panic: xc_dom_boot.c:410: xc_dom_gnttab_hvm_seed: failed 
> to remove gnttab from physmap [errno=2]
>         : Internal error
>         xc: error: error seeding grant table: Internal error
>         libxl: error: libxl_create.c:787:libxl__xc_domain_restore_done: 
> restoring domain: Resource temporarily unavailable
>         libxl: error: libxl_create.c:869:domcreate_rebuild_done: cannot 
> (re-)build domain: -3
>         libxl: error: libxl.c:1377:libxl__destroy_domid: non-existant domain 
> 5
>         libxl: error: libxl.c:1341:domain_destroy_callback: unable to 
> destroy guest with domid 5
>         libxl: error: libxl_create.c:1175:domcreate_destruction_cb: unable 
> to destroy domain 5 following failed creation
>         Parsing config from /etc/xen/win.guest.osstest.cfg
> 
> Which is the same as the bisection result here
> http://www.chiark.greenend.org.uk/~xensrcts/logs/15054/test-amd64-i386-xl-wi 
> n-vcpus1/8.ts-guest-saverestore.log
> 
> I've eye balled 26350:ba386fd2bf17, especially the bits about the
> phsymap hypercalls and I can't see anything obvious.

Case XENMEM_remove_from_physmap in do_memory_op() no
longer initializes "rc". I'm surprised there's no compiler warning
because of that (which would have failed the build). I'll send a
patch in a minute.

Jan


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