Re: [Xen-devel] [xen-unstable test] 104131: regressions - FAIL

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 12/01/2017 06:46, osstest service owner wrote:
> flight 104131 xen-unstable real [real]
> http://logs.test-lab.xenproject.org/osstest/logs/104131/
>
> Regressions :-(
>
> Tests which did not succeed and are blocking,
> including tests which could not be run:
>  test-amd64-i386-xl-qemuu-debianhvm-amd64 16 guest-stop   fail REGR. vs. 
> 104119

Jan 12 01:25:17.397607 (XEN) Assertion 'intack.vector >= pt_vector' failed at 
intr.c:321
Jan 12 01:25:37.133596 (XEN) ----[ Xen-4.9-unstable  x86_64  debug=y   Not 
tainted ]----
Jan 12 01:25:37.141577 (XEN) CPU:    14
Jan 12 01:25:37.141607 (XEN) RIP:    e008:[<ffff82d0801ef7fc>] 
vmx_intr_assist+0x35e/0x51d
Jan 12 01:25:37.149617 (XEN) RFLAGS: 0000000000010202   CONTEXT: hypervisor 
(d15v0)
Jan 12 01:25:37.149655 (XEN) rax: 0000000000000038   rbx: ffff830079e1e000   
rcx: 0000000000000030
Jan 12 01:25:37.157582 (XEN) rdx: 0000000000000000   rsi: 0000000000000030   
rdi: ffff830079e1e000
Jan 12 01:25:37.165584 (XEN) rbp: ffff83047de2ff08   rsp: ffff83047de2fea8   
r8:  ffff82c00022f000
Jan 12 01:25:37.173579 (XEN) r9:  ffff8301b63ede80   r10: ffff830176386560   
r11: 000001955ee79bd0
Jan 12 01:25:37.181582 (XEN) r12: 0000000000003002   r13: 0000000000003002   
r14: 0000000000000030
Jan 12 01:25:37.189584 (XEN) r15: ffff83023fec2000   cr0: 0000000080050033   
cr4: 00000000003526e0
Jan 12 01:25:37.197572 (XEN) cr3: 0000000232edb000   cr2: 0000000002487034
Jan 12 01:25:37.205569 (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 
0000   cs: e008
Jan 12 01:25:37.205606 (XEN) Xen code around <ffff82d0801ef7fc> 
(vmx_intr_assist+0x35e/0x51d):
Jan 12 01:25:37.213575 (XEN)  41 0f b6 f6 39 f0 7e 02 <0f> 0b 48 89 df e8 51 20 
00 00 b8 10 08 00 00 0f
Jan 12 01:25:37.221561 (XEN) Xen stack trace from rsp=ffff83047de2fea8:
Jan 12 01:25:37.229600 (XEN)    ffff82d08031aa80 00000038ffffffff 
ffff83047de2ffff ffff83023fec2000
Jan 12 01:25:37.237594 (XEN)    ffff83047de2fef8 ffff82d080130cb6 
ffff830079e1e000 ffff830079e1e000
Jan 12 01:25:37.245588 (XEN)    ffff83007bae2000 000000000000000e 
ffff830233117000 ffff83023fec2000
Jan 12 01:25:37.253594 (XEN)    ffff83047de2fdc0 ffff82d0801fdeb1 
0000000000000004 00000000000000c2
Jan 12 01:25:37.261584 (XEN)    0000000000000020 0000000000000007 
ffff8800e8d28000 ffffffff81add0a0
Jan 12 01:25:37.269607 (XEN)    0000000000000246 0000000000000000 
ffff880142400008 0000000000000004
Jan 12 01:25:37.277580 (XEN)    0000000000000036 0000000000000000 
00000000000003f8 00000000000003f8
Jan 12 01:25:37.285584 (XEN)    ffffffff81add0a0 0000beef0000beef 
ffffffff813899a4 000000bf0000beef
Jan 12 01:25:37.293567 (XEN)    0000000000000002 ffff880147c03e08 
000000000000beef 1cec835356e5beef
Jan 12 01:25:37.293606 (XEN)    085d8b002674beef 01dcb38b000cbeef 
8914458d3174beef 2444c7100000000e
Jan 12 01:25:37.301586 (XEN)    ffff830079e1e000 00000031bfc37600 
00000000003526e0
Jan 12 01:25:37.309607 (XEN) Xen call trace:
Jan 12 01:25:37.309639 (XEN)    [<ffff82d0801ef7fc>] vmx_intr_assist+0x35e/0x51d
Jan 12 01:25:37.317591 (XEN)    [<ffff82d0801fdeb1>] 
vmx_asm_vmexit_handler+0x41/0x120
Jan 12 01:25:37.325598 (XEN) 
Jan 12 01:25:37.325624 (XEN) 
Jan 12 01:25:37.325647 (XEN) ****************************************
Jan 12 01:25:37.333653 (XEN) Panic on CPU 14:
Jan 12 01:25:37.333684 (XEN) Assertion 'intack.vector >= pt_vector' failed at 
intr.c:321
Jan 12 01:25:37.341571 (XEN) ****************************************
Jan 12 01:25:37.341603 (XEN) 
Jan 12 01:25:37.341626 (XEN) Reboot in five seconds...
Jan 12 01:25:37.349566 (XEN) Resetting with ACPI MEMORY or I/O RESET_REG.

This is caused by "x86/apicv: fix RTC periodic timer and apicv issue".  It is 
not a deterministic issue, as it appears to have survived a week of testing 
already, but there is clearly something still problematic with the code.

~Andrew


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