Windows Server 2012 stuck at startup when running on top of KVM with active regrouping of CPU

Hi all

We observe an interesting problem when running Windows Server 2012 on top of KVM to multiple processors.

When the collection of the CPU is disabled, Windows starts and works very well.

When the grouping of CPU is activated by:

bcdedit /groupaware on
bcdedit /groupsize 2

Windows hangs at startup while displaying a black screen with logo and won round progress indicator.

We have produced the crash dump by injection of interruption NMI via QEMU/KVM debugging facilities, the look of stacks of appeal as follows:

0: kd > ~ 0
0: kd > kv
Child-SP RetAddr: Args to child: call Site
' fffff803 ' 95645 c 08 fffff803 ' 941828de: 00000000'00000080 00000000' 004f4454 00000000'00000000 00000000'00000000: nt! KeBugCheckEx
' fffff803 ' 95645 c 10 fffff803 ' 93b66c09: 00000001' fffff803 00000000 ' 94196030 00000000 00000000' fffffa80' 05654968: hal! HalBugCheckSystem + 0x9a
' fffff803 ' 95645 c 50 fffff803' 94183204: 00000000 ' 000006 c 0 fffff803 ' 95645e30 fffff803 93 d 03100 fffff803'94196030: nt! WheaReportHwError + 0 x 249
fffff803 '95645cb0 fffff803' 93be17a7: fffff803 '95645e70 00000000'00000010 00000000'80000005 fffff803' 93a2227d: hal! HalHandleNMI + 0 x 150
fffff803 '95645ce0 fffff803' 93a84d02: 00000000' 32f7fc10 fffff803'95645ef0 00000000 00000000' fffff803 93 d 03180: nt! : FNODOBFM: 'string' + 0x13d6d
' fffff803 ' 95645 30 fffff803 d ' 93a84b73: 00000000'00000000 00000000'00000000 00000000'00000000 00000000'00000000: nt! KxNmiInterrupt + 0 x 82
' fffff803 '95645e70 fffff803' 93abb0cb: 00000000 ' 00000000 fffff880 ' 0315efb8 00000000'00001000 00000000'00000000: nt! KiNmiInterrupt + 0 x 173 (TrapFrame @ fffff803'95645e70)
fffff880 '0315eab0 fffff803' 93b0191b: 00000000'00000000 00000000'00000000 fffff880 '0315f200 fffff803' b 9417, 291: nt! KeFlushMultipleRangeTb + 0x3c0
fffff880 '0315ecb0 fffff880' 01709b 45: fffffa80 '018a 7040 00000000' 0f0049ed fffff880' 0315f200 00000000' 00000000: nt! MmSetAddressRangeModified + 0x14b
fffff880 '0315edb0 fffff880' 0170a 471: fffff8a0 '00ba0010 00000000' 0f004b81 00000000'00000001 00000000'00000500: Ntfs! LfsFlushLfcb + 0xa55
fffff880 '0315efc0 fffff803' 93ac8df5: fffff880'0315f160 fffffa80 '0187a6a8 00000000 00000000' fffffa80' 05621b 80: Ntfs! LfsFlushLfcbCallout + 0 x 25
fffff880 '0315eff0 fffff803' 93ac9d85: fffff880 '0170a44c fffff880' 0315f160 00000000 00000000' fffff803 93 d 03180: nt! KeExpandKernelStackAndCalloutInternal + 0xe5
"fffff880 '0315f0f0 fffff880' 0170 has 434: 00000000'0000000 fffff803 ' 93 d d 03180 fffff803 93 d 03180 fffffa80 ' 018a 7040: nt! KeExpandKernelStackAndCalloutEx + 0 x 25
"fffff880 '0315f130 fffff880' 017cbe9b: 00000000 ' fffff8a0 00000000 '00ba0010 fffff880' 0315f200 fffff8a0 ' 00b 18901: Ntfs! LfsFlushLfcbOnNewStack + 0 x 50
fffff880 '0315f190 fffff880' 017c8f75: fffff8a0 '00ba0010 00000000' 0f004b81 fffff880 '0315f480 fffff8a0' 00b 18950: Ntfs! LfsFlushToLsnPriv + 0x13f
fffff880 '0315f230 fffff880' 017c851f: fffff8a0 '00ba0010 fffff8a0' 00ba0010 fffffa80'057 c 2480 00000000'00000062: Ntfs! LfsWriteLfsRestart + 0 x 145
fffff880'0315f290 fffff880'017 c 6083: fffff8a0'00b98c10 fffff880 '00000070 fffff880' 00002102 00000000 00000000': Ntfs! LfsWriteRestartArea + 0x15f
"fffff880'0315f3d0 fffff880'017 c 9889: 00000000 ' 00000000 fffff880 ' 0315fa90 00000000'00000000 00000000'00000000: Ntfs! NtfsCheckpointVolume + 0x6f3
fffff880 '0315f920 fffff880' 017c57eb: fffff880 '0315fa90 fffff880' 0315fa90 fffffa80'057 c 2188 00000000 00000000': Ntfs! NtfsCheckpointAllVolumesWorker + 0x61
"fffff880 '0315f970 fffff880' 017c954c: fffff880'0315fa90 00000000 00000000' fffff880 ' 017 c 9828 fffff880 ' 0315fa40: Ntfs! NtfsForEachVcb + 0x1bb
fffff880 '0315fa10 fffff803' 93ac0391: fffffa80 '018-7040 fffff880' 0175d6d8 fffff803 93 c 91080 fffff803 93 c 91000: Ntfs! NtfsCheckpointAllVolumes + 0x12c
fffff880 '0315fcc0 fffff803' 93a2f521: 00000000'00000000 00000000'00000080 fffff803 '93ac0250 fffffa80' 018a 7040: nt! ExpWorkerThread + 0 x 142
fffff880 '0315fd50 fffff803' 93a6ddd6: fffff803 93 d 03180 fffffa80 '018-7040 fffffa80' 018bd040 fffffa80'01897040: nt! PspSystemThreadStartup + 0 x 59
"fffff880'0315fda0 00000000' 00000000: fffff880 ' 03160000 fffff880 ' 0315a 000 00000000'00000000 00000000'00000000: nt! KiStartSystemThread + 0x16
0: kd > ~ 1
1: kd > kv
Child-SP RetAddr: Args to child: call Site
fffff880 '031ce940 fffff803' 93a5319b: 00000000 00000000' fffff880'04171000 00000000 '80000002 00000000' 00000001: nt! KiIpiSendRequestEx + 0 x 166
fffff880 '031ce990 fffff803' 93a4d364: 00000000'00000040 00000000'00000040 fffff880 '031cebb0 ffffffff' ffffffff: nt! KeFlushSingleTb + 0x11b
"fffff880 '031ceab0 fffff803' 93a4e9fc: 00000000 fffffa80'20000000'd 250 0178 00000000' 0007d9b7 2aaaaaaa ' aaaaaaab: nt! MiStealPage + 0 x 914
fffff880 '031cee60 fffff803' 93a4ff87: 00000000' ffffffff 00000000' 0007d9b8 00000000'00000103 20000000' fffff803: nt! MiClaimPhysicalRun + 0x1fc
fffff880 '031ceee0 fffff803' 93e8ea59: fffff880 '031cf2e9 00000000 00000005' fffff880' 0198f000 fffff8a0'00015470: nt! MiFindContiguousPages + 0 x 337
fffff880 '031cf030 fffff803' 93e8f0ec: 00000000' 7d9b8963 00000000' 0007d9b8 00000000 00000000' fffff8a0'00003000: nt! MiAllocateDriverPage + 0 x 49
fffff880 '031cf0a0 fffff803' 93e9eafb: 00000000 00000000' fffff880 '031cf2e9 00000000 00000000' fffff6fc' 4000cc78: nt! MiLoadImageSection + 0x23c
fffff880 '031cf230 fffff803' 93e9f43e: fffff880'031cf390 00000000'00000000 00000000'00000001 00000000'00000000: nt! MmLoadSystemImage + 0x1c3
fffff880 '031cf340 fffff803' 93e9979c: fffff880 00000000'00000000 00000000'00000000 ' 031cf860 00000000'00000003: nt! IopLoadDriver + 0x2ca
fffff880 '031cf610 fffff803' 93e97fb6: fffff8a0 '00d04e00 fffff880' 0097b 340 00000000'00000000 00000000'00000000: nt! PipCallDriverAddDeviceQueryRoutine + 0x22c
fffff880 '031cf730 fffff803' 93e95bc0: 00000000 00000000' fffff880'00000002 00000000 '00000000 00000000' 000007ff: nt! PnpCallDriverQueryServiceHelper + 0x13e
"fffff880 '031cf7b0 fffff803' 93e9611e: fffffa80 ' 01892010 fffff880 ' 031cfa40 fffffa80 ' 01887670 fffffa80'd 018 4700: nt! PipCallDriverAddDevice + 0x400
fffff880 '031cf940 fffff803' 93f09c07: fffff803 '93a 91700 00000000'00000001 00000000'00000000 fffff803' 93d90a52: nt! PipProcessDevNodeTree + 0x1ca
fffff880 '031cfbc0 fffff803' 93b1381f: fffff803 00000001'00000003 00000000'00000000 ' 93ce06e0 00000000' 00000000: nt! PiProcessStartSystemDevices + 0 x 87
fffff880 '031cfc10 fffff803' 93ac0391: fffffa80 ' 01898040 fffff803 '93b134bc fffff803' 93ce06e0 fffffa80' 0189 c 600: nt! PnpDeviceActionWorker + 0 x 363
fffff880 '031cfcc0 fffff803' 93a2f521: 00000000'00000000 00000000'00000080 fffff803'93ac0250 fffffa80'01898040: nt! ExpWorkerThread + 0 x 142
fffff880 '031cfd50 fffff803' 93a6ddd6: fffff880 ' 02a 15180 fffffa80 ' 01898040 fffffa80'd 0188 040 fffffa80' 01897040: nt! PspSystemThreadStartup + 0 x 59
"fffff880'031cfda0 00000000' 00000000: fffff880 ' 031 d 0000 fffff880 ' 031ca 000 00000000'00000000 00000000'00000000: nt! KiStartSystemThread + 0x16
7: kd > ~ 2
2: kd > kv
Child-SP RetAddr: Args to child: call Site
fffff880 '02aafa08 fffff803' 93b4e12a: fffff880 '00000006 fffff880' 00000003 fffff880 '02-92140 fffff803' 93b4e9e4: hal! HalProcessorIdle + 0xf
fffff880 '02aafa10 fffff803' 93ab69a0: fffff880 '02a8b5c8 00000000' 05f5e100 00000000'00000000 00000000'00000000: nt! PpmIdleDefaultExecute + 0xa
fffff880 '02aafa40 fffff803' 93ab53c0: 00000000 00000000' 0000040c 0000040'c fffff880 '02aafca8 fffff880' 02aafcb0: nt! PpmIdleExecuteTransition + 0x47f
fffff880 '02aafc60 fffff803' 93ab354c: fffff880'02 has 86180 fffff880 '02a 86180 00000000 00000000' fffff880' 02a 92140: nt! PoIdle + 0x1e0
fffff880'02aafda0 00000000' 00000000: fffff880 '02ab0000 fffff880' 02aaa000 00000000'00000000 00000000'00000000: nt! KiIdleLoop + 0x2c
2: kd > ~ 3

There are always two or more CPUs stuck in KeFlush...() functions dealing with IPIs. 

The problem looks like interrupt loss during IPI-ALL-BUT-SELF dispatching, we tried to track possible problems in KVM code that may lead to an issue like this but found nothing so far.The issue looks even more interesting taking into consideration that as far as we know CPU grouping is SW-only feature that doesn't have real effect on hardware.We will be grateful for any idea that could help to resolve the problem.Thanks in advance!P.S. Kernel crash dump is available at https://www.dropbox.com/s/07qb6wz9nacwhxn/MEMORY.DMP.zip?dl=0

KV

This issue is beyond the scope of this site and must be placed on Technet or MSDN

http://social.msdn.Microsoft.com/forums/en-us/home

If you pt a link here I want a few resources for the thread on TN

Tags: Windows

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