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2003 enterprise server keeps rebooting with BugCheck 50, {ffffbff8, 0, 8089b522, 0}

By Rich V
Aug 12, 2007
  1. Hello - I have a citrix server (PS 4.0 enterprise) running windows
    2003 SP1. This system has all of a sudden started rebooting on it's
    own... Originally, the reboot was blaming UPHClean, so i uninstalled
    it and it still is rebooting randomly... I cannot pinpoint the reboot
    - it seems to happen when someone either logs off a session in citrix,
    or opens a session... I cannot pinpoint exactly what's going on to
    make the reboot occur... I have replaced all the memory in the system with brand new memory sticks... this is the most recent bug check (any help
    would be GREATLY appreciated - let me know if you need more info too):

    *******************************************************************************
    * *
    * Bugcheck Analysis *
    * *
    *******************************************************************************

    PAGE_FAULT_IN_NONPAGED_AREA (50)
    Invalid system memory was referenced. This cannot be protected by try-except,
    it must be protected by a Probe. Typically the address is just plain bad or it
    is pointing at freed memory.
    Arguments:
    Arg1: fffd88f8, memory referenced.
    Arg2: 00000000, value 0 = read operation, 1 = write operation.
    Arg3: 8089b522, If non-zero, the instruction address which referenced the bad memory
    address.
    Arg4: 00000000, (reserved)

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


    Could not read faulting driver name

    READ_ADDRESS: fffd88f8

    FAULTING_IP:
    nt!ExFreePoolWithTag+28b
    8089b522 668b4602 mov ax,word ptr [esi+2]

    MM_INTERNAL_CODE: 0

    CUSTOMER_CRASH_COUNT: 4

    DEFAULT_BUCKET_ID: DRIVER_FAULT_SERVER_MINIDUMP

    BUGCHECK_STR: 0x50

    PROCESS_NAME: winlogon.exe

    CURRENT_IRQL: 1

    TRAP_FRAME: b894c994 -- (.trap ffffffffb894c994)
    ErrCode = 00000000
    eax=fffd8800 ebx=fffd88fe ecx=00200000 edx=fffd88fe esi=fffd88f6 edi=00000000
    eip=8089b522 esp=b894ca08 ebp=b894ca54 iopl=0 nv up ei pl nz na po nc
    cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00010202
    nt!ExFreePoolWithTag+0x28b:
    8089b522 668b4602 mov ax,word ptr [esi+2] ds:0023:fffd88f8=????
    Resetting default scope

    LAST_CONTROL_TRANSFER: from 808689ee to 8087b6be

    STACK_TEXT:
    b894c92c 808689ee 00000050 fffd88f8 00000000 nt!KeBugCheckEx+0x1b
    b894c97c 80837d0a 00000000 fffd88f8 00000000 nt!MmAccessFault+0x813
    b894c97c 8089b522 00000000 fffd88f8 00000000 nt!KiTrap0E+0xdc
    b894ca54 8093aeba fffd88fe 00000000 3b9aca07 nt!ExFreePoolWithTag+0x28b
    b894ca70 8091a265 e4388d28 fb96fe53 b894ca90 nt!CmpCleanUpKcbValueCache+0x51
    b894ca80 80915549 e4388d28 00000000 b894cab0 nt!CmpCleanUpKcbCacheWithLock+0x15
    b894ca90 8093d625 e4388d28 00000000 c0000034 nt!CmpDereferenceKeyControlBlockWithLock+0x4d
    b894cab0 8093dc32 e4388d28 00000000 e4413f50 nt!CmpDereferenceKeyControlBlock+0xa7
    b894cb90 80936848 e4388d28 00000000 89cfd538 nt!CmpParseKey+0x807
    b894cc10 80936aa5 000003c8 b894cc50 00000040 nt!ObpLookupObjectName+0x11f
    b894cc64 8093e1d2 00000000 8a780de8 8a330301 nt!ObOpenObjectByName+0xea
    b894cd50 80834d3f 012cf6e0 00020019 012cf624 nt!NtOpenKey+0x1ad
    b894cd50 7c82ed54 012cf6e0 00020019 012cf624 nt!KiFastCallEntry+0xfc
    WARNING: Frame IP not in any known module. Following frames may be wrong.
    012cf664 00000000 00000000 00000000 00000000 0x7c82ed54


    STACK_COMMAND: kb

    FOLLOWUP_IP:
    nt!ExFreePoolWithTag+28b
    8089b522 668b4602 mov ax,word ptr [esi+2]

    SYMBOL_STACK_INDEX: 3

    FOLLOWUP_NAME: MachineOwner

    MODULE_NAME: nt

    IMAGE_NAME: ntkrnlmp.exe

    DEBUG_FLR_IMAGE_TIMESTAMP: 42435e60

    SYMBOL_NAME: nt!ExFreePoolWithTag+28b

    FAILURE_BUCKET_ID: 0x50_nt!ExFreePoolWithTag+28b

    BUCKET_ID: 0x50_nt!ExFreePoolWithTag+28b

    Followup: MachineOwner
     
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