On 08/08/17 11:20, osstest service owner wrote:
> flight 112511 xen-unstable real [real]
> http://logs.test-lab.xenproject.org/osstest/logs/112511/
>
> Regressions :-(
>
> Tests which did not succeed and are blocking,
> including tests which could not be run:
>  test-amd64-amd64-xl-qemut-win7-amd64 13 guest-saverestore fail REGR. vs. 
> 112496

libxl-save-helper: debug: starting save: Success
xc: detail: fd 9, dom 4, max_iters 0, max_factor 0, flags 4, hvm 1
xc: info: Saving domain 4, type x86 HVM
libxl: debug: libxl_event.c:636:libxl__ev_xswatch_register: watch w=0x228bac8 
wpath=/local/domain/0/device-model/4/logdirty/ret token=3/0: register slotnum=3
libxl: debug: libxl_event.c:573:watchfd_callback: watch w=0x228bac8 
wpath=/local/domain/0/device-model/4/logdirty/ret token=3/0: event 
epath=/local/domain/0/device-model/4/logdirty/ret
libxl: debug: libxl_event.c:573:watchfd_callback: watch w=0x228bac8 
wpath=/local/domain/0/device-model/4/logdirty/ret token=3/0: event 
epath=/local/domain/0/device-model/4/logdirty/ret
libxl: debug: libxl_event.c:673:libxl__ev_xswatch_deregister: watch w=0x228bac8 
wpath=/local/domain/0/device-model/4/logdirty/ret token=3/0: deregister 
slotnum=3
libxl: debug: libxl_event.c:542:watchfd_callback: watch 
epath=/local/domain/0/device-model/4/logdirty/ret token=3/0: empty slot
libxl: debug: libxl_dom_suspend.c:179:domain_suspend_callback_common: Domain 
4:Calling xc_domain_shutdown on HVM domain
libxl: debug: libxl_dom_suspend.c:294:domain_suspend_common_wait_guest: Domain 
4:wait for the guest to suspend
libxl: debug: libxl_event.c:636:libxl__ev_xswatch_register: watch w=0x228b250 
wpath=@releaseDomain token=3/1: register slotnum=3
libxl: debug: libxl_event.c:573:watchfd_callback: watch w=0x228b250 
wpath=@releaseDomain token=3/1: event epath=@releaseDomain
libxl: debug: libxl_dom_suspend.c:352:suspend_common_wait_guest_check: Domain 
4:guest has suspended
libxl: debug: libxl_event.c:673:libxl__ev_xswatch_deregister: watch w=0x228b250 
wpath=@releaseDomain token=3/1: deregister slotnum=3
libxl: debug: libxl_dom_suspend.c:80:libxl__domain_suspend_device_model: Domain 
4:Saving device model state to /var/lib/xen/qemu-save.4
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch 
w=0x228b250: deregister unregistered
xc: detail: Frames: 11264/1045504    1%
xc: detail: Frames: 21504/1045504    2%
xc: detail: Frames: 31744/1045504    3%
xc: detail: Frames: 41984/1045504    4%
xc: detail: Frames: 53248/1045504    5%
xc: detail: Frames: 63488/1045504    6%
xc: detail: Frames: 73728/1045504    7%
xc: detail: Frames: 83968/1045504    8%
xc: detail: Frames: 94208/1045504    9%
xc: detail: Frames: 105472/1045504   10%
xc: detail: Frames: 115712/1045504   11%
xc: detail: Frames: 125952/1045504   12%
xc: detail: Frames: 136192/1045504   13%
xc: detail: Frames: 146432/1045504   14%
xc: detail: Frames: 157696/1045504   15%
xc: detail: Frames: 167936/1045504   16%
xc: detail: Frames: 178176/1045504   17%
xc: detail: Frames: 188416/1045504   18%
xc: error: Failed to get types for pfn batch (14 = Bad address): Internal error
xc: error: Save failed (14 = Bad address): Internal error

This is intermittent, but something is clearly wrong with the process.  As a 
first guess, I'd say this is dom0 kernel related.

~Andrew


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