Re: [Xen-devel] [xen-4.7-testing test] 95489: regressions - FAIL

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Sat, Jun 11, 2016 at 01:47:33PM +0100, Andrew Cooper wrote:
> On 11/06/16 13:00, Wei Liu wrote:
> > On Sat, Jun 11, 2016 at 09:31:40AM +0000, osstest service owner wrote:
> >> flight 95489 xen-4.7-testing real [real]
> >> http://logs.test-lab.xenproject.org/osstest/logs/95489/
> >>
> >> Regressions :-(
> >>
> >> Tests which did not succeed and are blocking,
> >> including tests which could not be run:
> >>  test-amd64-i386-freebsd10-amd64 10 guest-start            fail REGR. vs. 
> >> 95446
> >>
> > According to
> >
> > http://logs.test-lab.xenproject.org/osstest/logs/95489/test-amd64-i386-freebsd10-amd64/serial-pinot0.log
> >
> > Jun 11 07:01:09.495504 (d1) Press ESC for boot menu.
> > Jun 11 07:01:09.495531 (d1) 
> > Jun 11 07:01:09.503453 (d1) Searching bootorder for: HALT
> > Jun 11 07:01:12.063554 (d1) drive 0x000f6b20: PCHS=16383/16/63 
> > translation=lba LCHS=1024/255/63 s=49152000
> > Jun 11 07:01:12.071587 (d1) Space available for UMB: ca800-ee000, 
> > f6560-f6b20
> > Jun 11 07:01:12.079537 (d1) Returned 258048 bytes of ZoneHigh
> > Jun 11 07:01:12.079568 (d1) e820 map has 6 items:
> > Jun 11 07:01:12.087554 (d1)   0: 0000000000000000 - 000000000009fc00 = 1 RAM
> > Jun 11 07:01:12.087576 (d1)   1: 000000000009fc00 - 00000000000a0000 = 2 
> > RESERVED
> > Jun 11 07:01:12.095753 (d1)   2: 00000000000f0000 - 0000000000100000 = 2 
> > RESERVED
> > Jun 11 07:01:12.103590 (d1)   3: 0000000000100000 - 000000003f7ff000 = 1 RAM
> > Jun 11 07:01:12.103625 (d1)   4: 000000003f7ff000 - 000000003f800000 = 2 
> > RESERVED
> > Jun 11 07:01:12.111529 (d1)   5: 00000000fc000000 - 0000000100000000 = 2 
> > RESERVED
> > Jun 11 07:01:12.111564 (d1) enter handle_19:
> > Jun 11 07:01:12.119594 (d1)   NULL
> > Jun 11 07:01:12.119620 (d1) Booting from Hard Disk...
> > Jun 11 07:01:12.119647 (d1) Booting from 0000:7c00
> > Jun 11 07:01:12.127526 (XEN) d1v0 Triple fault - invoking HVM shutdown 
> > action 1
> > Jun 11 07:01:45.063552 (XEN) *** Dumping Dom1 vcpu#0 state: ***
> > Jun 11 07:01:45.063603 (XEN) ----[ Xen-4.7.0-rc  x86_64  debug=y  Not 
> > tainted ]----
> > Jun 11 07:01:45.071526 (XEN) CPU:    0
> > Jun 11 07:01:45.071555 (XEN) RIP:    0020:[<ffffffff80d0a8c0>]
> > Jun 11 07:01:45.071586 (XEN) RFLAGS: 0000000000000046   CONTEXT: hvm guest 
> > (d1v0)
> > Jun 11 07:01:45.079515 (XEN) rax: 0000000000000000   rbx: 000000000000000c  
> >  rcx: 0000000000000080
> > Jun 11 07:01:45.087493 (XEN) rdx: ffffffff814b5130   rsi: 0000000000000000  
> >  rdi: 0000000000000000
> > Jun 11 07:01:45.095490 (XEN) rbp: ffffffff80d0ab00   rsp: ffffffff800bffc0  
> >  r8:  0000000000000000
> > Jun 11 07:01:45.095528 (XEN) r9:  00000000000007d0   r10: 00000000000007d0  
> >  r11: 00000000000007d0
> > Jun 11 07:01:45.103501 (XEN) r12: ffffffff81641b28   r13: 0000000000000002  
> >  r14: ffffffff80d0ab10
> > Jun 11 07:01:45.111521 (XEN) r15: ffffffff81641ff0   cr0: 0000000080000011  
> >  cr4: 00000000000406b0
> > Jun 11 07:01:45.119520 (XEN) cr3: 0000000001963000   cr2: 0000000000000000
> > Jun 11 07:01:45.127492 (XEN) ds: 0028   es: 0028   fs: 0028   gs: 0028   
> > ss: 0028   cs: 0020
> > Jun 11 07:01:45.127531 [  465.765651] xenbr0: port 2(vif1.0) entered 
> > disabled state
> >
> > FreeBSD install in xen-unstable also fails in a similar fashion. It
> > might probably be easier to triage this issue in 4.7 branch because
> > there are only a handful of commits there.
> 
> From dmesg,
> 
> [    0.291601] smpboot: CPU0: AMD Opteron(tm) Processor 3350 HE (fam:
> 15, model: 02, stepping: 00)
> 
> This is a Piledriver processor, meaning it supports BMI1.
> 
> It seems likely that it is to do with the erroneous advertisement of
> PKU, fixed by "[PATCH for-4.7] xen/hvm: Fix advertisment of available
> xstates following c/s c52319642"

Indeed -- I just read AMD CPUID specification, which seems to agree with
you.

Wei.

> 
> ~Andrew

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