Re: [Xen-devel] [xen-4.6-testing bisection] complete test-amd64-amd64-xl-pvh-intel

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 06/08/16 17:24, osstest service owner wrote:
> branch xen-4.6-testing
> xenbranch xen-4.6-testing
> job test-amd64-amd64-xl-pvh-intel
> testid xen-boot
>
> Tree: linux git://xenbits.xen.org/linux-pvops.git
> Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
> Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
> Tree: qemuu git://xenbits.xen.org/qemu-xen.git
> Tree: xen git://xenbits.xen.org/xen.git
>
> *** Found and reproduced problem changeset ***
>
>   Bug is in tree:  xen git://xenbits.xen.org/xen.git
>   Bug introduced:  477080fc560a3025d451175b69995e62a2ce1a8d
>   Bug not present: ec712ba0838b7d7fb11229d1a5ab42978c14a782
>   Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/99995/
>
>
>   commit 477080fc560a3025d451175b69995e62a2ce1a8d
>   Author: George Dunlap <george.dunlap@xxxxxxxxxx>
>   Date:   Fri Aug 5 13:47:04 2016 +0200
>   
>       xen: Have schedulers revise initial placement

More fallout from backports.  Perhaps it would be safer not to backport
this change.

From
http://logs.test-lab.xenproject.org/osstest/logs/99995/test-amd64-amd64-xl-pvh-intel/serial-italia1.log

Aug  6 14:38:19.678087 (XEN) xstate_init: using cntxt_size: 0x340 and
states: 0x7
Aug  6 14:38:19.686011 (XEN) mce_intel.c:735: MCA Capability: BCAST 1
SER 0 CMCI 1 firstbank 0 extended MCE MSR 0
Aug  6 14:38:19.694125 (XEN) Intel machine check reporting enabled
Aug  6 14:38:19.702168 (XEN) Using scheduler: SMP Credit Scheduler (credit)
Aug  6 14:38:19.710065 (XEN) Assertion 'cpu < nr_cpu_ids' failed at
...99976.build-amd64/xen/xen/include/xen/cpumask.h:97
Aug  6 14:38:19.718016 (XEN) ----[ Xen-4.6.3  x86_64  debug=y  Not
tainted ]----
Aug  6 14:38:19.726088 (XEN) CPU:    0
Aug  6 14:38:19.726139 (XEN) RIP:    e008:[<ffff82d08012365a>]
_csched_cpu_pick+0x156/0x62c
Aug  6 14:38:19.734081 (XEN) RFLAGS: 0000000000010046   CONTEXT: hypervisor
Aug  6 14:38:19.742114 (XEN) rax: 0000000000000080   rbx:
0000000000000080   rcx: 0000000000000000
Aug  6 14:38:19.750181 (XEN) rdx: 000000000000003f   rsi:
0000000000000080   rdi: 0000000000000080
Aug  6 14:38:19.758006 (XEN) rbp: ffff82d0802f7d48   rsp:
ffff82d0802f7c58   r8:  0000000000000000
Aug  6 14:38:19.765989 (XEN) r9:  0000000000000002   r10:
0000000000000002   r11: ffff82e0017cdfc0
Aug  6 14:38:19.773984 (XEN) r12: 0000000000000080   r13:
ffff8300beaf9000   r14: ffff830237cf3800
Aug  6 14:38:19.789963 (XEN) r15: ffff82d08033b340   cr0:
0000000080050033   cr4: 00000000001506e0
Aug  6 14:38:19.798048 (XEN) cr3: 00000000be8a1000   cr2: 0000000000000000
Aug  6 14:38:19.798083 (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000  
ss: 0000   cs: e008
Aug  6 14:38:19.806157 (XEN) Xen stack trace from rsp=ffff82d0802f7c58:
Aug  6 14:38:19.813988 (XEN)    ffff82d0802f7c88 0000000280144a19
ffff82d08033b348 ffff82d08033b340
Aug  6 14:38:19.822002 (XEN)    ffff82d08028d800 ffff82d0802ff040
0000000100000001 0000000000000000
Aug  6 14:38:19.830006 (XEN)    ffff82d08012cf3e 0000000000000000
0000000000000097 ffff82d0802f7cc8
Aug  6 14:38:19.838196 (XEN)    0000000000000006 ffff82d0802f7cd8
ffff82d08012cf3e ffff83023d842000
Aug  6 14:38:19.846013 (XEN)    ffff82d0802f7d18 ffff82d08013c82b
0000000000000000 0000000000000010
Aug  6 14:38:19.854266 (XEN)    0000000000000000 0000000000000000
0000000000000000 0000000000000000
Aug  6 14:38:19.870148 (XEN)    ffff82d0802f7d68 ffff8300beaf9000
ffff830237cf2000 0000000000000000
Aug  6 14:38:19.878018 (XEN)    ffff830237cf3800 0000000000000000
ffff82d0802f7d58 ffff82d080123b3e
Aug  6 14:38:19.886025 (XEN)    ffff82d0802f7da8 ffff82d080123b60
ffff82d0802f7d88 ffff82d08013ce5c
Aug  6 14:38:19.894016 (XEN)    ffff830237cf2000 ffff8300beaf9000
ffff830237cf2000 0000000000000000
Aug  6 14:38:19.902095 (XEN)    0000000000000000 0000000000000000
ffff82d0802f7dd8 ffff82d080129d58
Aug  6 14:38:19.910094 (XEN)    ffff82d0802f7dd8 ffff82d08013ce5c
ffff8300beaf9000 ffff830237cf2000
Aug  6 14:38:19.917992 (XEN)    ffff82d0802f7e18 ffff82d080105d3c
ffff82d08012d02e ffff82d0802a3700
Aug  6 14:38:19.926215 (XEN)    ffff82d0802a36f8 ffff82d0802a3700
000000000000001e 0000000000000003
Aug  6 14:38:19.934012 (XEN)    ffff82d0802f7e48 ffff82d0802aa113
0000000000000001 ffff830237cf1eb0
Aug  6 14:38:19.942016 (XEN)    0000000000000002 0000000000000002
ffff82d0802f7f08 ffff82d0802c7de0
Aug  6 14:38:19.950031 (XEN)    0000000000000000 0000000000100000
00000000011f3000 0000000000240000
Aug  6 14:38:19.958051 (XEN)    0080016300000000 00000000011f3001
0000000000000000 0000000000000006
Aug  6 14:38:19.973992 (XEN)    ffff83000008ac50 ffff83000008af20
0000000100000002 ffff83000008afb0
Aug  6 14:38:19.981975 (XEN)    0000000800000000 000000010000006e
0000000000000003 00000000000002f8
Aug  6 14:38:19.989973 (XEN) Xen call trace:
Aug  6 14:38:19.990009 (XEN)    [<ffff82d08012365a>]
_csched_cpu_pick+0x156/0x62c
Aug  6 14:38:19.998119 (XEN)    [<ffff82d080123b3e>]
csched_cpu_pick+0xe/0x10
Aug  6 14:38:20.005960 (XEN)    [<ffff82d080123b60>]
csched_vcpu_insert+0x20/0x161
Aug  6 14:38:20.014035 (XEN)    [<ffff82d080129d58>]
sched_init_vcpu+0x1d1/0x218
Aug  6 14:38:20.022056 (XEN)    [<ffff82d080105d3c>] alloc_vcpu+0x1c4/0x2b4
Aug  6 14:38:20.022124 (XEN)    [<ffff82d0802aa113>]
scheduler_init+0x1b1/0x272
Aug  6 14:38:20.030009 (XEN)    [<ffff82d0802c7de0>]
__start_xen+0x1f71/0x255f
Aug  6 14:38:20.037985 (XEN)    [<ffff82d080100073>] __high_start+0x53/0x55
Aug  6 14:38:20.045953 (XEN)
Aug  6 14:38:20.045988 (XEN)
Aug  6 14:38:20.046025 (XEN) ****************************************
Aug  6 14:38:20.053978 (XEN) Panic on CPU 0:
Aug  6 14:38:20.054013 (XEN) Assertion 'cpu < nr_cpu_ids' failed at
...99976.build-amd64/xen/xen/include/xen/cpumask.h:97
Aug  6 14:38:20.070100 (XEN) ****************************************
Aug  6 14:38:20.078024 (XEN)
Aug  6 14:38:20.078053 (XEN) Reboot in five seconds...
Aug  6 14:38:20.085956 (XEN) Resetting with ACPI MEMORY or I/O RESET_REG.

~Andrew

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