Regarding to Windows 2008 on X1600 storage was unexpectedly rebooted message

[sungwook2]

one of customer have a problem x1600 storage

the server have unexpectedly rebooted. and make the dump

I debug the dump file and attached the details

please let me know what cause the rebooting..

I also attached dump file.

++++++++++++++Debugging Details:++++++++++++++
------------------

Could not read faulting driver name
READ_ADDRESS: fffffa80fffffff1
FAULTING_IP:
srv!SrvSessionLastUseCompare+0
fffff880`0b419390 8079f200 cmp byte ptr [rcx-0Eh],0
MM_INTERNAL_CODE: 5
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT_SERVER
BUGCHECK_STR: 0x50
PROCESS_NAME: System
CURRENT_IRQL: 0
ANALYSIS_VERSION: 6.3.9600.17029 (debuggers(dbg).140219-1702) amd64fre
TRAP_FRAME: fffff880021a58e0 -- (.trap 0xfffff880021a58e0)
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=fffff8800b419390 rbx=0000000000000000 rcx=fffffa80ffffffff
rdx=fffff880021a5bb0 rsi=0000000000000000 rdi=0000000000000000
rip=fffff8800b419390 rsp=fffff880021a5a78 rbp=0000000000000100
r8=0000000000000000 r9=0000000000000000 r10=fffffa8007801010
r11=fffff880021a5b78 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0 nv up ei ng nz na po nc
srv!SrvSessionLastUseCompare:
fffff880`0b419390 8079f200 cmp byte ptr [rcx-0Eh],0 ds:fffffa80`fffffff1=??
Resetting default scope
LAST_CONTROL_TRANSFER: from fffff80001889189 to fffff8000186e580
STACK_TEXT:
fffff880`021a5788 fffff800`01889189 : 00000000`00000050 fffffa80`fffffff1 00000000`00000000 fffff880`021a58e0 : nt!KeBugCheckEx
fffff880`021a5790 fffff800`0186c66e : 00000000`00000000 fffffa80`fffffff1 00000000`00000000 00000000`00000034 : nt!MmAccessFault+0x71a
fffff880`021a58e0 fffff880`0b419390 : fffff880`0b415bba fffff800`019fe600 fffff800`019a587c fffff880`0b419390 : nt!KiPageFault+0x16e
fffff880`021a5a78 fffff880`0b415bba : fffff800`019fe600 fffff800`019a587c fffff880`0b419390 fffff880`021a5bb0 : srv!SrvSessionLastUseCompare
fffff880`021a5a80 fffff880`0b415c92 : fffffa80`07801010 fffffa80`07801010 fffff880`021a5b78 fffff880`00000000 : srv!RfspTableEnumerate+0x9a
fffff880`021a5ae0 fffff880`0b45650c : fffffa80`00000000 fffffa80`075f3200 fffff880`021a5bb0 00000000`00000001 : srv!RfsTableEnumerate+0x62
fffff880`021a5b40 fffff880`0b456175 : fffffa80`077c8600 00000000`000000c9 fffffa80`04d89b00 fffffa80`075f3200 : srv!UpdateSessionLastUseTime+0x2c
fffff880`021a5b70 fffff880`0b415940 : fffffa80`07707490 fffff880`00c019b9 fffffa80`09c6a720 00000000`00000000 : srv!ScavengerAlgorithm+0x165
fffff880`021a5c40 fffff800`01b6a743 : fffffa80`07707490 fffff800`01a14658 fffff800`01e04480 fffffa80`04d89b60 : srv!ScavengerThread+0x60
fffff880`021a5c80 fffff800`0187b981 : fffff800`01a14600 fffff800`01dec9b0 fffff800`01a14658 fffffa80`04d89b60 : nt!IopProcessWorkItem+0x23
fffff880`021a5cb0 fffff800`01b12336 : 00000000`00000000 fffffa80`04d89b60 00000000`00000080 fffffa80`04d7b5f0 : nt!ExpWorkerThread+0x111
fffff880`021a5d40 fffff800`0184b106 : fffff880`01f3c180 fffffa80`04d89b60 fffff880`01f470c0 00000000`00000000 : nt!PspSystemThreadStartup+0x5a
fffff880`021a5d80 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KxStartSystemThread+0x16

STACK_COMMAND: kb
FOLLOWUP_IP:
srv!SrvSessionLastUseCompare+0
fffff880`0b419390 8079f200 cmp byte ptr [rcx-0Eh],0
SYMBOL_STACK_INDEX: 3
SYMBOL_NAME: srv!SrvSessionLastUseCompare+0
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: srv
IMAGE_NAME: srv.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4c202c27
IMAGE_VERSION: 6.1.7600.16619
FAILURE_BUCKET_ID: X64_0x50_srv!SrvSessionLastUseCompare+0
BUCKET_ID: X64_0x50_srv!SrvSessionLastUseCompare+0
ANALYSIS_SOURCE: KM
FAILURE_ID_HASH_STRING: km:x64_0x50_srv!srvsessionlastusecompare+0
FAILURE_ID_HASH: {f6b4f8fa-0c31-bc2e-ed7e-c4ae16ee2369}
Followup: MachineOwner
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

---------System info----------------------------------------------------------------
OS Name: Microsoft Windows Storage Server 2008 R2 Standard
OS Version: 6.1.7600 N/A Build 7600
OS Manufacturer: Microsoft Corporation
OS Configuration: Standalone Server
OS Build Type: Multiprocessor Free

System Model: ProLiant SE1220
System Type: x64-based PC
Processor(s): 1 Processor(s) Installed.
[01]: Intel64 Family 6 Model 26 Stepping 5 GenuineIntel ~2266 Mhz
--------------------------------------------------------------------------------

[PGTRI]

hi,

Can you attach the dump please.

Thanks,

regards,