Re: [Xen-devel] [xen-unstable test] 118296: regressions - FAIL

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 25/01/18 11:24, Wei Liu wrote:
> On Thu, Jan 25, 2018 at 02:51:34AM +0000, osstest service owner wrote:
>> flight 118296 xen-unstable real [real]
>> http://logs.test-lab.xenproject.org/osstest/logs/118296/
>>
>> Regressions :-(
>>
>> Tests which did not succeed and are blocking,
>> including tests which could not be run:
>>  test-armhf-armhf-xl-credit2 16 guest-start/debian.repeat fail REGR. vs. 
>> 118174
> There seems to be a genuine bug.
>
> http://logs.test-lab.xenproject.org/osstest/logs/118296/test-armhf-armhf-xl-credit2/serial-cubietruck-braque.log
>
> Jan 24 09:18:48.859356 (XEN) traps.c:2033:d9v0 HSR=0x80000006 pc=0xc gva=0xc 
> gpa=0x0000000000000c
> Jan 24 09:18:48.865981 (XEN) (XEN) traps.c:2033:d9v0 HSR=0x80000006 pc=0xc 
> gva=0xc gpa=0x0000000000000c
> Jan 24 09:18:48.873107 (XEN) traps.c:2033:d9v0 HSR=0x80000006 pc=0xc gva=0xc 
> gpa=0x0000000000000c
> Jan 24 09:18:48.879732 (XEN) traps.c:2033:d9v0 HSR=0x80000006 pc=0xc gva=0xc 
> gpa=0x0000000000000c
>
>>  test-amd64-amd64-xl-qemut-ws16-amd64 16 guest-localmigrate/x10 fail REGR. 
>> vs. 118174
> libxl-save-helper: debug: starting restore: Success
> xc: detail: fd 8, dom 18, hvm 0, pae 0, stream_type 0
> xc: info: Found x86 HVM domain from Xen 4.11
> xc: info: Restoring domain
> xc: error: Failed to get types for pfn batch (14 = Bad address): Internal 
> error
> xc: error: Save failed (14 = Bad address): Internal error
>
> This looks familiar to the known issue for Windows migration test.

This is the toolstack getting -EFAULT for a hypercall.  It is a dom0
bug, not a guest bug.

~Andrew

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