Bugcheck 93 in the RDR

SYMPTOMS

0: kd> kv
ChildEBP RetAddr  Args to Child
fe4a36f4 80115c85 00000004 8046e768 00000118
ntkrnlmp!RtlpBreakWithStatusInstruction (FPO: [1,0,0])
fe4a386c 80134f2f 00000093 00000118 00000001
ntkrnlmp!KeBugCheckEx+0x1e7(FPO: [Non-Fpo]
fe4a3898 8013e6de 00000118 00000340 82f5bee0 ntkrnlmp!NtClose+0x1d5 (FPO:
[EBP 0xfe4a38a4] [1,1,4])
fe4a3898 8011a53b 00000118 00000340 82f5bee0 ntkrnlmp!KiSystemService+0xbe
(FPO: [0,0] TrapFrame @ fe4a38a4)
fe4a3914 fe35d1aa 00000118 8279d748 8046ac64 ntkrnlmp!ZwClose+0xb (FPO:
[1,0,0])
fe4a3928 fe35d331 80455448 8046abc8 00000000
rdr!RdrDereferenceTransport+0x8a (FPO: [1,0,3])
fe4a3940 fe349307 8046abc8 fe4a3974 8046abc8
rdr!RdrDereferenceTransportConnectionNoRelease+0x51 (FPO: [EBP 0x8046abc8]
[1,0,4])
fe4a3958 fe35ab84 804183e8 8046abc8 8046abc8 rdr!RdrTdiDisconnect+0x85
(FPO: [EBP 0xfe4a3974] [2,0,4])
fe4a3974 fe32d3ee 804183e8 e1707748 8046abc8
rdr!CleanupTransportConnection+0x64(FPO: [Non-Fpo]
fe4a39c8 fe33d90c 804183e8 e1707748 e142edc8
rdr!RdrReconnectConnection+0x1d0(FPO: [Non-Fpo]
fe4a3a44 fe33d80a 00000001 00000000 8045ab00
rdr!RdrFscDeviceIoControlFile+0xde(FPO: [Non-Fpo]
fe4a3a60 80111f0b 8045ab00 804183e8 8056b388
rdr!RdrFsdDeviceIoControlFile+0x36(FPO: [Non-Fpo]
fe4a3a74 fe3197cf 8056b358 803da1c8 803da238 ntkrnlmp!IofCallDriver+0x37
(FPO: [0,0,2])
fe4a3adc fe3193d9 803da1c8 8056b358 fe4a3bac
mup!CreateRedirectedFile+0x2f5(FPO: [Non-Fpo]
fe4a3b2c 80111f0b 804557e0 803da1c8 803da1d8 mup!MupCreate+0xd1(FPO: [Non-
Fpo]
fe4a3b40 80171e31 801716a6 804557c8 00000000 ntkrnlmp!IofCallDriver+0x37
(FPO: [0,0,2])
fe4a3b54 fe3d1ee4 804d6648 804cb8e8 fe3d3c45
ntkrnlmp!IopParseDevice+0x78b(FPO: [Non-Fpo]
fe4a3b8c fe5289b8 00000018 00000000 00000000 tcpip!IPRcvComplete+0x15 (FPO:
[0,0,2])
fe4a3bc8 8001264d 00000008 fe4a3e40 fe4a3e55 NDIS!ndisMDpc+0x7c (FPO: [EBP
0x00000000] [4,0,4])
fe4a3bf0 80012b2b fe4a3e20 803ba7b8 fe4a3e2c
halsp!HalpEndSoftwareInterrupt+0x9 (FPO: [1,0,0])

0: kd> !trap fe4a38a4
eax=804183e8 ebx=fe32ac28 ecx=00000000 edx=fe4a3f04 esi=80455454
edi=8045544c
eip=8011a53b esp=fe4a3918 ebp=80455448 iopl=0         nv up ei ng nz na pe
nc
vip=0    vif=0
cs=0008  ss=0010  ds=75ef  es=0000  fs=0030  gs=aa44
efl=00000282
ErrCode = 00000000
8011a53b c20400           ret     0x4

0: kd> u 8011a53b
ntkrnlmp!ZwClose+0xb:
8011a53b c20400           ret     0x4
8011a53e 8bc0             mov     eax,eax
ntkrnlmp!ZwCloseObjectAuditAlarm:
8011a540 b810000000       mov     eax,0x10
8011a545 8d542404         lea     edx,[esp+0x4]
8011a549 cd2e             int     2e
8011a54b c20c00           ret     0xc
8011a54e 8bc0             mov     eax,eax
ntkrnlmp!ZwCompleteConnectPort:
8011a550 b811000000       mov     eax,0x11