[Xen-devel] Re: [xen-unstable test] 6367: regressions - FAIL

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Jackson writes ("[xen-unstable test] 6367: regressions - FAIL"):
>  test-amd64-i386-xl-multivcpu  5 xen-boot                 fail pass in 6363

"Watchdog timer detects that CPU4 is stuck!"

The stack trace suggests a scheduler problem.

Ian.

Mar 10 14:15:18.878756 (XEN) Watchdog timer detects that CPU4 is stuck!
Mar 10 14:15:23.438791 (XEN) ----[ Xen-4.1.0-rc7-pre  x86_64  debug=y  Not 
tainted ]----
Mar 10 14:15:23.446757 (XEN) CPU:    4
Mar 10 14:15:23.446771 (XEN) RIP:    e008:[<ffff82c4801005b8>] 
__bitmap_weight+0x54/0x19f
Mar 10 14:15:23.446794 (XEN) RFLAGS: 0000000000000002   CONTEXT: hypervisor
Mar 10 14:15:23.455773 (XEN) rax: 0000000000000000   rbx: 5555555555555555   
rcx: 0000000000000000
Mar 10 14:15:23.455808 (XEN) rdx: ffff8301a7eace50   rsi: 0000000000000002   
rdi: 3333333333333333
Mar 10 14:15:23.470803 (XEN) rbp: ffff8301a7edfbf8   rsp: ffff8301a7edfbe0   
r8:  0000000000000000
Mar 10 14:15:23.479767 (XEN) r9:  000000000000003b   r10: 00ff00ff00ff00ff   
r11: 0f0f0f0f0f0f0f0f
Mar 10 14:15:23.479793 (XEN) r12: 0000000000000080   r13: ffff8301a7edfc58   
r14: 0000000000000004
Mar 10 14:15:23.487788 (XEN) r15: ffff82c4802d1ac0   cr0: 000000008005003b   
cr4: 00000000000006f0
Mar 10 14:15:23.499763 (XEN) cr3: 00000000d7c9c000   cr2: 00000000c471de94
Mar 10 14:15:23.499784 (XEN) ds: 007b   es: 007b   fs: 00d8   gs: 0033   ss: 
0000   cs: e008
Mar 10 14:15:23.514775 (XEN) Xen stack trace from rsp=ffff8301a7edfbe0:
Mar 10 14:15:23.514804 (XEN)    ffff82c4802c0100 0000000000000002 
0000000000000008 ffff8301a7edfcb8
Mar 10 14:15:23.523778 (XEN)    ffff82c480119449 00007cfe581203c7 
ffff82c4802d1ac0 ffff82c4802d0cc0
Mar 10 14:15:23.534763 (XEN)    ffff82c4802d1ad0 ffff82c4802d1ad0 
ffff82c4802d1ad0 ffff82c4802d1ad0
Mar 10 14:15:23.534789 (XEN)    01ff8301a7ee4048 0000000000000f00 
0000000000000000 0000000000000010
Mar 10 14:15:23.543782 (XEN)    0000000000000000 0000000000000f10 
0000000000000000 0000000000000f00
Mar 10 14:15:23.555763 (XEN)    0000000000000000 ffff8301a7ee4048 
ffff8301a7ee4048 ffff8301a7e85048
Mar 10 14:15:23.555789 (XEN)    0000000000000004 ffff82c4802d0cc0 
0000000000000000 ffff8301a7edfcc8
Mar 10 14:15:23.567785 (XEN)    ffff82c480119582 ffff8301a7edfd28 
ffff82c480122c8d 0000000100000001
Mar 10 14:15:23.575770 (XEN)    ffff82c4802d0cc0 ffff82c4802d0cc0 
ffff8300d7af6000 0000000000000206
Mar 10 14:15:23.575804 (XEN)    ffff8300d7af6000 0000000000000004 
ffff8300d7af6000 000000018c0c8558
Mar 10 14:15:23.587782 (XEN)    ffff8301a7ee4040 ffff8301a7edfd48 
ffff82c480122e24 ec86b52f00000000
Mar 10 14:15:23.599799 (XEN)    ffff8300d7cd6000 ffff8301a7edfe38 
ffff82c480157f17 ffff8300d7af6000
Mar 10 14:15:23.614766 (XEN)    0000000000000003 000000018c0c8558 
ffff8301a7ee4040 ffff8301a7edfd88
Mar 10 14:15:23.614805 (XEN)    ffff82c480175d4f 00007cfe58120247 
ffff82c48014d300 ffff8301a7ee4040
Mar 10 14:15:23.619920 (XEN)    000000018c0c8558 0000000000000003 
ffff8300d7af6000 ffff8301a7edfeb8
Mar 10 14:15:23.631767 (XEN)    ffff8300d7cd6000 0f0f0f0f0f0f0f0f 
00ff00ff00ff00ff 0000000000000086
Mar 10 14:15:23.631823 (XEN)    ffff8301a7edfdf8 ffff82c480123b91 
0000000000000004 0000000000000000
Mar 10 14:15:23.646773 (XEN)    0000000000000000 ffff8301a7edfe38 
ffff8300d7cd6000 ffff8300d7af6000
Mar 10 14:15:23.658765 (XEN)    0000000000000003 000000018c0c8558 
ffff8301a7ee4040 ffff8301a7edfeb8
Mar 10 14:15:23.658802 (XEN)    ffff82c4801226b4 ffff8301a7edfe68 
000000018c0c8558 ffff8301a7ee4100
Mar 10 14:15:23.667778 (XEN) Xen call trace:
Mar 10 14:15:23.667800 (XEN)    [<ffff82c4801005b8>] __bitmap_weight+0x54/0x19f
Mar 10 14:15:23.675759 (XEN)    [<ffff82c480119449>] 
_csched_cpu_pick+0x2ef/0x41a
Mar 10 14:15:23.675780 (XEN)    [<ffff82c480119582>] csched_cpu_pick+0xe/0x10
Mar 10 14:15:23.687771 (XEN)    [<ffff82c480122c8d>] vcpu_migrate+0xfb/0x230
Mar 10 14:15:23.687802 (XEN)    [<ffff82c480122e24>] context_saved+0x62/0x7b
Mar 10 14:15:23.699772 (XEN)    [<ffff82c480157f17>] context_switch+0xd98/0xdca
Mar 10 14:15:23.699805 (XEN)    [<ffff82c4801226b4>] schedule+0x5fc/0x624
Mar 10 14:15:23.714777 (XEN)    [<ffff82c480123837>] __do_softirq+0x88/0x99
Mar 10 14:15:23.714815 (XEN)    [<ffff82c4801238b2>] do_softirq+0x6a/0x7a
Mar 10 14:15:23.719769 (XEN)    
Mar 10 14:15:23.719787 (XEN) 
Mar 10 14:15:23.719806 (XEN) ****************************************
Mar 10 14:15:23.719824 (XEN) Panic on CPU 4:
Mar 10 14:15:23.719837 (XEN) FATAL TRAP: vector = 2 (nmi)
Mar 10 14:15:23.734772 (XEN) [error_code=0000] , IN INTERRUPT CONTEXT
Mar 10 14:15:23.734801 (XEN) ****************************************

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