Re: [Xen-devel] [xen-unstable test] 97737: regressions - FAIL

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Jul 22, 2016 at 03:27:30AM +0000, osstest service owner wrote:
> flight 97737 xen-unstable real [real]
> http://logs.test-lab.xenproject.org/osstest/logs/97737/
> 
> Regressions :-(
> 
> Tests which did not succeed and are blocking,
> including tests which could not be run:
>  test-amd64-amd64-xl-credit2  19 guest-start/debian.repeat fail REGR. vs. 
> 97664
>  test-armhf-armhf-xl          15 guest-start/debian.repeat fail REGR. vs. 
> 97664
>  test-armhf-armhf-xl-credit2  15 guest-start/debian.repeat fail REGR. vs. 
> 97664

From
http://logs.test-lab.xenproject.org/osstest/logs/97737/test-amd64-amd64-xl-credit2/serial-fiano0.log

Jul 21 07:38:22.383917 (XEN) Assertion 'rqd->avgload >= 0 && rqd->b_avgload >= 
0' failed at sched_credit2.c:734
Jul 21 07:38:23.200007 (XEN) ----[ Xen-4.8-unstable  x86_64  debug=y  Not 
tainted ]----
Jul 21 07:38:23.207896 (XEN) CPU:    2
Jul 21 07:38:23.207943 (XEN) RIP:    e008:[<ffff82d080126987>] 
sched_credit2.c#__update_runq_load+0xde/0x11e
Jul 21 07:38:23.215908 (XEN) RFLAGS: 0000000000010082   CONTEXT: hypervisor
Jul 21 07:38:23.215970 (XEN) rax: 000000000000502c   rbx: 000000000000502c   
rcx: ffffffffffffa1df
Jul 21 07:38:23.223906 (XEN) rdx: 0000000000000001   rsi: ffff83027d800460   
rdi: 0000000038f6e47e
Jul 21 07:38:23.231882 (XEN) rbp: ffff830277eb7c10   rsp: ffff830277eb7be0   
r8:  fffffffffffffd71
Jul 21 07:38:23.239900 (XEN) r9:  0000000000000012   r10: 0000000000000014   
r11: 000000000000022d
Jul 21 07:38:23.247906 (XEN) r12: ffff830277d8f900   r13: 0000000000000001   
r14: 000000e3db91fb86
Jul 21 07:38:23.255909 (XEN) r15: ffff83027d800460   cr0: 000000008005003b   
cr4: 00000000001526e0
Jul 21 07:38:23.255974 (XEN) cr3: 000000007dcfd000   cr2: 00007f81409f1b20
Jul 21 07:38:23.263910 (XEN) ds: 002b   es: 002b   fs: 0000   gs: 0000   ss: 
e010   cs: e008
Jul 21 07:38:23.272145 (XEN) Xen code around <ffff82d080126987> 
(sched_credit2.c#__update_runq_load+0xde/0x11e):
Jul 21 07:38:23.279948 (XEN)  00 00 00 48 85 c9 79 02 <0f> 0b 83 3d 44 2e 1c 00 
00 74 2e 8b 36 40 88 75
Jul 21 07:38:23.287896 (XEN) Xen stack trace from rsp=ffff830277eb7be0:
Jul 21 07:38:23.287960 (XEN)    0000000000000297 ffff830277eb7c00 
ffff82d080130969 000000000026785f
Jul 21 07:38:23.295904 (XEN)    ffff830277eb7c60 ffff82d0802e96c0 
ffff830277eb7c50 ffff82d080126b19
Jul 21 07:38:23.303909 (XEN)    0000000000000297 ffff830277d8f900 
000000e3db91fb86 0000000000000000
Jul 21 07:38:23.311948 (XEN)    ffff82d0802e96c0 ffff83027d800464 
ffff830277eb7c80 ffff82d08012956e
Jul 21 07:38:23.319895 (XEN)    ffff83007dafc000 000000e3db91f9b6 
ffff82d080344140 ffff83027d800464
Jul 21 07:38:23.319969 (XEN)    ffff830277eb7ce0 ffff82d08012de99 
0000000000000297 0000000000000046
Jul 21 07:38:23.327929 (XEN)    ffff82d080130969 0000000000266c7b 
ffff830277eb7d10 ffff83007dafc000
Jul 21 07:38:23.335903 (XEN)    0000000000000000 ffff830277ebd000 
ffff83027d8450b8 ffff82c00021001c
Jul 21 07:38:23.343911 (XEN)    ffff830277eb7cf0 ffff82d08012e393 
ffff830277eb7d10 ffff82d08016b7d4
Jul 21 07:38:23.351904 (XEN)    0000000000000007 000000000000002e 
ffff830277eb7d20 ffff82d08016b844
Jul 21 07:38:23.359911 (XEN)    ffff830277eb7d90 ffff82d08010ab2f 
ffff82c0002100b8 070000000000002e
Jul 21 07:38:23.367896 (XEN)    ffff83027d845010 0000000000000086 
ffff83007dafc000 0000000000000007
Jul 21 07:38:23.367966 (XEN)    ffff830277eb7d78 0000000000000003 
ffff830277ebd000 ffff83007dafc19c
Jul 21 07:38:23.375919 (XEN)    0000000000000286 ffff83007dafc000 
ffff830277eb7dd0 ffff82d08010847b
Jul 21 07:38:23.383904 (XEN)    00000000ffffffff ffff83007dc9d000 
00000000ffffffff ffff8302630b3aa8
Jul 21 07:38:23.391904 (XEN)    ffff8302630b3000 ffff830277da4a28 
ffff830277eb7e00 ffff82d080105c7a
Jul 21 07:38:23.399910 (XEN)    ffff830277eba040 0000000000000000 
0000000000000000 ffff830277eb7fff
Jul 21 07:38:23.407908 (XEN)    ffff830277eb7e30 ffff82d080122a08 
ffff82d08031aa80 ffff82d08031ab80
Jul 21 07:38:23.407977 (XEN)    ffff82d08031aa80 fffffffffffffffd 
ffff830277eb7e60 ffff82d080130116
Jul 21 07:38:23.415913 (XEN)    0000000000000002 ffff830277da4970 
0000000000000004 00000000ffffffff
Jul 21 07:38:23.423908 (XEN) Xen call trace:
Jul 21 07:38:23.423964 (XEN)    [<ffff82d080126987>] 
sched_credit2.c#__update_runq_load+0xde/0x11e
Jul 21 07:38:23.431916 (XEN)    [<ffff82d080126b19>] 
sched_credit2.c#update_load+0x53/0x78
Jul 21 07:38:23.439900 (XEN)    [<ffff82d08012956e>] 
sched_credit2.c#csched2_vcpu_wake+0xf7/0x119
Jul 21 07:38:23.447913 (XEN)    [<ffff82d08012de99>] vcpu_wake+0x23f/0x3cb
Jul 21 07:38:23.447979 (XEN)    [<ffff82d08012e393>] vcpu_unblock+0x4b/0x4e
Jul 21 07:38:23.455908 (XEN)    [<ffff82d08016b7d4>] vcpu_kick+0x17/0x5b
Jul 21 07:38:23.463889 (XEN)    [<ffff82d08016b844>] 
vcpu_mark_events_pending+0x2c/0x2f
Jul 21 07:38:23.463962 (XEN)    [<ffff82d08010ab2f>] 
event_fifo.c#evtchn_fifo_set_pending+0x36a/0x3de
Jul 21 07:38:23.471914 (XEN)    [<ffff82d08010847b>] send_global_virq+0xe7/0x117
Jul 21 07:38:23.479916 (XEN)    [<ffff82d080105c7a>] 
domain.c#complete_domain_destroy+0x179/0x182
Jul 21 07:38:23.487875 (XEN)    [<ffff82d080122a08>] 
rcupdate.c#rcu_process_callbacks+0x141/0x1a2
Jul 21 07:38:23.487915 (XEN)    [<ffff82d080130116>] 
softirq.c#__do_softirq+0x7f/0x8a
Jul 21 07:38:23.495903 (XEN)    [<ffff82d080130156>] 
process_pending_softirqs+0x35/0x37
Jul 21 07:38:23.503894 (XEN)    [<ffff82d0801bcd17>] 
mwait-idle.c#mwait_idle+0xfc/0x2f9
Jul 21 07:38:23.511887 (XEN)    [<ffff82d0801656d4>] 
domain.c#idle_loop+0x4b/0x62
Jul 21 07:38:23.511953 (XEN) 
Jul 21 07:38:23.511993 (XEN) 
Jul 21 07:38:23.512030 (XEN) ****************************************
Jul 21 07:38:23.519944 (XEN) Panic on CPU 2:
Jul 21 07:38:23.519996 (XEN) Assertion 'rqd->avgload >= 0 && rqd->b_avgload >= 
0' failed at sched_credit2.c:734
Jul 21 07:38:23.527915 (XEN) ****************************************
Jul 21 07:38:23.535867 (XEN) 
Jul 21 07:38:23.535899 (XEN) Reboot in five seconds...
Jul 21 07:38:23.535929 (XEN) Assertion 'rqd->avgload >= 0 && rqd->b_avgload >= 
0' failed at sched_credit2.c:734
Jul 21 07:38:23.543957 (XEN) ----[ Xen-4.8-unstable  x86_64  debug=y  Not 
tainted ]----
Jul 21 07:38:23.551901 (XEN) CPU:    1
Jul 21 07:38:23.551951 (XEN) RIP:    e008:[<ffff82d080126987>] 
sched_credit2.c#__update_runq_load+0xde/0x11e
Jul 21 07:38:23.559919 (XEN) RFLAGS: 0000000000010082   CONTEXT: hypervisor 
(d0v1)
Jul 21 07:38:23.567881 (XEN) rax: 0000000000009ce6   rbx: 0000000000009ce6   
rcx: ffffffffffffe1ab
Jul 21 07:38:23.567946 (XEN) rdx: 0000000000000001   rsi: ffff83027d800610   
rdi: 0000000038fc04fb
Jul 21 07:38:23.575897 (XEN) rbp: ffff830277db7cc8   rsp: ffff830277db7c98   
r8:  ffffffffffffefc6
Jul 21 07:38:23.583892 (XEN) r9:  0000000000000012   r10: 0000000000000014   
r11: 00000000000053eb
Jul 21 07:38:23.591900 (XEN) r12: ffff830277d873f0   r13: 0000000000000001   
r14: 000000e3f013efdf
Jul 21 07:38:23.599891 (XEN) r15: ffff83027d800610   cr0: 0000000080050033   
cr4: 00000000001526e0
Jul 21 07:38:23.607882 (XEN) cr3: 000000026ef2d000   cr2: ffff880002971918
Jul 21 07:38:23.607929 (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 
e010   cs: e008
Jul 21 07:38:23.615802 (XEN) Xen code around <ffff82d080126987> 
(sched_credit2.c#__update_runq_load+0xde/0x11e):
Jul 21 07:38:23.623808 (XEN)  00 00 00 48 85 c9 79 02 <0f> 0b 83 3d 44 2e 1c 00 
00 74 2e 8b 36 40 88 75
Jul 21 07:38:23.631794 (XEN) Xen stack trace from rsp=ffff830277db7c98:
Jul 21 07:38:23.631813 (XEN)    ffff82e004bb07a0 000000000025d83d 
800000025d83d067 ffff830277ebd000
Jul 21 07:38:23.639807 (XEN)    ffff830277db7cc8 ffff82d0802e96c0 
ffff830277db7d08 ffff82d080126b19
Jul 21 07:38:23.647800 (XEN)    ffff83007dafb000 ffff830277d873f0 
000000e3f013efdf 0000000000000002
Jul 21 07:38:23.655802 (XEN)    ffff82d0802e96c0 ffff83027d800614 
ffff830277db7d38 ffff82d08012956e
Jul 21 07:38:23.663795 (XEN)    ffff83007dafa000 000000e3f013ed94 
ffff82d080344140 ffff83027d800614
Jul 21 07:38:23.671793 (XEN)    ffff830277db7d98 ffff82d08012de99 
00007f389ab23000 0000000000000246
Jul 21 07:38:23.671814 (XEN)    ffff88001ef32080 ffff8800026f3dd8 
ffff880002971918 ffff83007dafa000
Jul 21 07:38:23.679803 (XEN)    0000000000000000 ffff830277ebd000 
ffff83027d8453f8 ffff830277ebc440
Jul 21 07:38:23.687799 (XEN)    ffff830277db7da8 ffff82d08012e393 
ffff830277db7dc8 ffff82d08016b7d4
Jul 21 07:38:23.695800 (XEN)    0000000000000007 0000000000000011 
ffff830277db7dd8 ffff82d08016b844
Jul 21 07:38:23.703796 (XEN)    ffff830277db7e48 ffff82d08010ab2f 
ffff82c000210044 07ff82d000000011
Jul 21 07:38:23.711845 (XEN)    ffff83027d845350 0000000000000286 
ffff83007dafa000 0000000000000007
Jul 21 07:38:23.711882 (XEN)    ffff830277db7f18 ffff830277ebc440 
ffff830277ebd000 00000000ffffffea
Jul 21 07:38:23.719869 (XEN)    ffff830277ebc440 0000000000000002 
ffff830277db7e78 ffff82d080108239
Jul 21 07:38:23.727808 (XEN)    ffff83007dafb000 ffff8800026f3acc 
ffff88001fd12c40 0000000000000001
Jul 21 07:38:23.735794 (XEN)    ffff830277db7ef8 ffff82d080109681 
ffff880002971918 0000000000000000
Jul 21 07:38:23.743811 (XEN)    0000000000000206 00007f3899b1c9a7 
0000000000000100 00007f3800000011
Jul 21 07:38:23.751796 (XEN)    0000000000000033 0000000000000206 
00007ffc355020e8 ffff83007dafb000
Jul 21 07:38:23.759792 (XEN)    ffff88001a456040 ffff88001fd12c40 
0000000000000001 0000000000000002
Jul 21 07:38:23.759813 (XEN)    00007cfd882480c7 ffff82d08024303d 
ffffffff8100140a 0000000000000020
Jul 21 07:38:23.767799 (XEN) Xen call trace:
Jul 21 07:38:23.767815 (XEN)    [<ffff82d080126987>] 
sched_credit2.c#__update_runq_load+0xde/0x11e
Jul 21 07:38:23.775804 (XEN)    [<ffff82d080126b19>] 
sched_credit2.c#update_load+0x53/0x78
Jul 21 07:38:23.783799 (XEN)    [<ffff82d08012956e>] 
sched_credit2.c#csched2_vcpu_wake+0xf7/0x119
Jul 21 07:38:23.791794 (XEN)    [<ffff82d08012de99>] vcpu_wake+0x23f/0x3cb
Jul 21 07:38:23.791813 (XEN)    [<ffff82d08012e393>] vcpu_unblock+0x4b/0x4e
Jul 21 07:38:23.799832 (XEN)    [<ffff82d08016b7d4>] vcpu_kick+0x17/0x5b
Jul 21 07:38:23.807793 (XEN)    [<ffff82d08016b844>] 
vcpu_mark_events_pending+0x2c/0x2f
Jul 21 07:38:23.807834 (XEN)    [<ffff82d08010ab2f>] 
event_fifo.c#evtchn_fifo_set_pending+0x36a/0x3de
Jul 21 07:38:23.815798 (XEN)    [<ffff82d080108239>] evtchn_send+0x156/0x177
Jul 21 07:38:23.823796 (XEN)    [<ffff82d080109681>] 
do_event_channel_op+0xddd/0x14ae
Jul 21 07:38:23.823816 (XEN)    [<ffff82d08024303d>] lstar_enter+0xdd/0x137
Jul 21 07:38:23.831809 (XEN) 
Jul 21 07:38:23.831824 (XEN) 
Jul 21 07:38:23.831837 (XEN) ****************************************
Jul 21 07:38:23.839798 (XEN) Panic on CPU 1:
Jul 21 07:38:23.839815 (XEN) Assertion 'rqd->avgload >= 0 && rqd->b_avgload >= 
0' failed at sched_credit2.c:734
Jul 21 07:38:23.847801 (XEN) ****************************************
Jul 21 07:38:23.847818 (XEN) 
Jul 21 07:38:23.855766 (XEN) Reboot in five seconds...
Jul 21 07:38:23.855783 (XEN) Resetting with ACPI MEMORY or I/O RESET_REG.
Jul 21 07:38:28.863893 Jul 21 07:38:29.114294 <Modem lines changed: -CTS -DSR>


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