Wednesday, November 2, 2011

Windows Crash Dump Analysis


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**Now Updated for Windows 8 and Windows Server 2012

Windows Crash Dump analysis is a fairly expansive topic that ranges from simple post mortem analysis of small memory dump files to remote debugging of a live system and probing the failure as it occurs in the operating system. This series of posts will cover analysis and troubleshooting of many common failures faced by end users on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, and Windows 8. This specific post examines memory dumps, how to install/use the tools to analyze them, crashes that appear when KeBugCheckEx is called, and initial steps with most dumps.

The blue screen of death in Windows 7 and earlier versions of Windows: "A problem has been detected and Windows has been shut down to prevent damage to your computer."




The blue screen of death in Windows 8 Developer Preview: "Your PC ran into a problem that it couldn't handle, and now it needs to restart. You can search for the error online: %s."


Why Does Windows Crash?

Pundits and comedians aside, Windows crashes to help protect the system from suffering further corruption after a major error occurs with kernel mode code (often device drivers). Bug checks, Blue Screens of Death (BSOD), bugcheck, and stop errors are all words used to describe the same class of unhandled exception that occurs in kernel mode execution and causes the system to shut down (and possibly reboot). The source of the issue can be anything from a power fluctuation in the system to a damaged component or a software/hardware bug. The world is full of good programmers that make errors, and bad programmers that never really get it right. With all of the finger pointing that happens, sometimes it's Microsoft, and sometimes it is the independent hardware or software vendor.

How To Collect a Kernel-Mode Crash Dump?

Most modern desktop installations of Windows are configured to collect small memory dumps automatically. Some earlier versions of Windows server create complete dumps by default, and modern server operating systems dump the kernel memory on crash. This is generally configured in the advanced system settings. The easiest way to access these is to click Start, Right Click "Computer", select properties and navigate to the Startup and Recovery settings on the advanced tab.



Small memory dumps are often sufficient for most post-mortem analysis, but occasionally vendors are interested in kernel memory dumps or full memory dumps where they can use their own debugging symbols to try to identify the source of the problem. Typically vendors do not publish debugging symbols, so the result of most debugging activity on small memory dumps is focused on identifying the misbehaving driver, device, or BIOS to make a change that will alleviate the issue. By default memory dumps are stored in the following locations and page file requirements (see KB254649).

Memory Dump Type Default Location (variable) Default Location (typical) Paging File Requirements
Small memory dump %systemroot%\Minidump\ c:\Windows\Minidump >2 MB
Kernel memory dump %systemroot%\Memory.dmp c:\Windows\Memory.dmp Large enough for kernel memory
Complete memory dump %systemroot%\Memory.dmp c:\Windows\Memory.dmp All physical RAM + 1 MB

Once you have the dump, the question becomes what to do with it. This is where the Debugging Tools for Windows come in handy...

Get the Tools... For Windows 7 and Before

Older versions of the Debugging Tools for Windows were included as standalone installers, but modern versions are included with the Windows SDK. Currently the SDK comes as an ISO image and a web based installer. Installation is fairly straightforward. The only part of the SDK that is needed is the actual Debugging Tools for Windows (pictured in the screenshot below). The debuggers included are robust in that 32/64 bit hosts/targets are not important, meaning that a 32 bit host can debug a 64 bit target and vice versa.



After installation, the symbols path needs to be set to ensure that there are enough symbols for the debugger to determine what actually occurred and what was loaded. The entire symbol collection offered to the public can be downloaded and placed on a local drive, or an Internet location can be specified to pull the symbols on demand. My recommendation is to pull them from the Internet, since the correct version of the symbols will be downloaded on demand and will not become outdated by installation of hotfixes and service packs.



The instructions on setting the symbol path can be found in KB311503. This can be summarized to creating a folder (in my case c:\Symbols) and setting the environment variable:

_NT_SYMBOL_PATH = srv*c:\Symbols*http://msdl.microsoft.com/download/symbols

After this step, debugging can begin.

Get the Tools... For Windows 8 and Server 2012

Download the latest version of the Windows SDK from Microsoft and launch the installer. Complete the first few screens until you reach the feature selection page of the wizard. All that is needed is the "Debugging Tools for Windows"




Launch WinDbg and Load Memory Dump

Launch WinDbg from the start menu.



or



Select file -> Open crash dump and select the appropriate .dmp file.



From here, the typical starting point is to use the !analyze -v debugger command and look at the error that generated the crash dump.



Further troubleshooting is dependent on the specific error. Some errors may require the driver verifier to be enabled to determine a root cause.

Possible Errors

The following are a list of "standard" bug codes in Windows and links to posts that describe error-specific debugging techniques. This list is available on MSDN and in the built-in debugger help file (Debugging Tools for Windows\Debugging Techniques\Bug Checks (Blue Screens)\Bug Check Code Reference). I will update links as I make more posts showing live examples.

0x1: APC_INDEX_MISMATCH
0x2: DEVICE_QUEUE_NOT_BUSY
0x3: INVALID_AFFINITY_SET
0x4: INVALID_DATA_ACCESS_TRAP
0x5: INVALID_PROCESS_ATTACH_ATTEMPT
0x6: INVALID_PROCESS_DETACH_ATTEMPT
0x7: INVALID_SOFTWARE_INTERRUPT
0x8: IRQL_NOT_DISPATCH_LEVEL
0x9: IRQL_NOT_GREATER_OR_EQUAL
0xA: IRQL_NOT_LESS_OR_EQUAL
0xB: NO_EXCEPTION_HANDLING_SUPPORT
0xC: MAXIMUM_WAIT_OBJECTS_EXCEEDED
0xD: MUTEX_LEVEL_NUMBER_VIOLATION
0xE: NO_USER_MODE_CONTEXT
0xF: SPIN_LOCK_ALREADY_OWNED
0x10: SPIN_LOCK_NOT_OWNED
0x11: THREAD_NOT_MUTEX_OWNER
0x12: TRAP_CAUSE_UNKNOWN
0x13: EMPTY_THREAD_REAPER_LIST
0x14: CREATE_DELETE_LOCK_NOT_LOCKED
0x15: LAST_CHANCE_CALLED_FROM_KMODE
0x16: CID_HANDLE_CREATION
0x17: CID_HANDLE_DELETION
0x18: REFERENCE_BY_POINTER
0x19: BAD_POOL_HEADER
0x1A: MEMORY_MANAGEMENT
0x1B: PFN_SHARE_COUNT
0x1C: PFN_REFERENCE_COUNT
0x1D: NO_SPIN_LOCK_AVAILABLE
0x1E: KMODE_EXCEPTION_NOT_HANDLED
0x1F: SHARED_RESOURCE_CONV_ERROR
0x20: KERNEL_APC_PENDING_DURING_EXIT
0x21: QUOTA_UNDERFLOW
0x22: FILE_SYSTEM
0x23: FAT_FILE_SYSTEM
0x24: NTFS_FILE_SYSTEM
0x25: NPFS_FILE_SYSTEM
0x26: CDFS_FILE_SYSTEM
0x27: RDR_FILE_SYSTEM
0x28: CORRUPT_ACCESS_TOKEN
0x29: SECURITY_SYSTEM
0x2A: INCONSISTENT_IRP
0x2B: PANIC_STACK_SWITCH
0x2C: PORT_DRIVER_INTERNAL
0x2D: SCSI_DISK_DRIVER_INTERNAL
0x2E: DATA_BUS_ERROR
0x2F: INSTRUCTION_BUS_ERROR
0x30: SET_OF_INVALID_CONTEXT
0x31: PHASE0_INITIALIZATION_FAILED
0x32: PHASE1_INITIALIZATION_FAILED
0x33: UNEXPECTED_INITIALIZATION_CALL
0x34: CACHE_MANAGER
0x35: NO_MORE_IRP_STACK_LOCATIONS
0x36: DEVICE_REFERENCE_COUNT_NOT_ZERO
0x37: FLOPPY_INTERNAL_ERROR
0x38: SERIAL_DRIVER_INTERNAL
0x39: SYSTEM_EXIT_OWNED_MUTEX
0x3A: SYSTEM_UNWIND_PREVIOUS_USER
0x3B: SYSTEM_SERVICE_EXCEPTION
0x3C: INTERRUPT_UNWIND_ATTEMPTED
0x3D: INTERRUPT_EXCEPTION_NOT_HANDLED
0x3E: MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED
0x3F: NO_MORE_SYSTEM_PTES
0x40: TARGET_MDL_TOO_SMALL
0x41: MUST_SUCCEED_POOL_EMPTY
0x42: ATDISK_DRIVER_INTERNAL
0x43: NO_SUCH_PARTITION
0x44: MULTIPLE_IRP_COMPLETE_REQUESTS
0x45: INSUFFICIENT_SYSTEM_MAP_REGS
0x46: DEREF_UNKNOWN_LOGON_SESSION
0x47: REF_UNKNOWN_LOGON_SESSION
0x48: CANCEL_STATE_IN_COMPLETED_IRP
0x49: PAGE_FAULT_WITH_INTERRUPTS_OFF
0x4A: IRQL_GT_ZERO_AT_SYSTEM_SERVICE
0x4B: STREAMS_INTERNAL_ERROR
0x4C: FATAL_UNHANDLED_HARD_ERROR
0x4D: NO_PAGES_AVAILABLE
0x4E: PFN_LIST_CORRUPT
0x4F: NDIS_INTERNAL_ERROR
0x50: PAGE_FAULT_IN_NONPAGED_AREA
0x51: REGISTRY_ERROR
0x52: MAILSLOT_FILE_SYSTEM
0x53: NO_BOOT_DEVICE
0x54: LM_SERVER_INTERNAL_ERROR
0x55: DATA_COHERENCY_EXCEPTION
0x56: INSTRUCTION_COHERENCY_EXCEPTION
0x57: XNS_INTERNAL_ERROR
0x58: FTDISK_INTERNAL_ERROR
0x59: PINBALL_FILE_SYSTEM
0x5A: CRITICAL_SERVICE_FAILED
0x5B: SET_ENV_VAR_FAILED
0x5C: HAL_INITIALIZATION_FAILED
0x5D: UNSUPPORTED_PROCESSOR
0x5E: OBJECT_INITIALIZATION_FAILED
0x5F: SECURITY_INITIALIZATION_FAILED
0x60: PROCESS_INITIALIZATION_FAILED
0x61: HAL1_INITIALIZATION_FAILED
0x62: OBJECT1_INITIALIZATION_FAILED
0x63: SECURITY1_INITIALIZATION_FAILED
0x64: SYMBOLIC_INITIALIZATION_FAILED
0x65: MEMORY1_INITIALIZATION_FAILED
0x66: CACHE_INITIALIZATION_FAILED
0x67: CONFIG_INITIALIZATION_FAILED
0x68: FILE_INITIALIZATION_FAILED
0x69: IO1_INITIALIZATION_FAILED
0x6A: LPC_INITIALIZATION_FAILED
0x6B: PROCESS1_INITIALIZATION_FAILED
0x6C: REFMON_INITIALIZATION_FAILED
0x6D: SESSION1_INITIALIZATION_FAILED
0x6E: SESSION2_INITIALIZATION_FAILED
0x6F: SESSION3_INITIALIZATION_FAILED
0x70: SESSION4_INITIALIZATION_FAILED
0x71: SESSION5_INITIALIZATION_FAILED
0x72: ASSIGN_DRIVE_LETTERS_FAILED
0x73: CONFIG_LIST_FAILED
0x74: BAD_SYSTEM_CONFIG_INFO
0x75: CANNOT_WRITE_CONFIGURATION
0x76: PROCESS_HAS_LOCKED_PAGES
0x77: KERNEL_STACK_INPAGE_ERROR
0x78: PHASE0_EXCEPTION
0x79: MISMATCHED_HAL
0x7A: KERNEL_DATA_INPAGE_ERROR
0x7B: INACCESSIBLE_BOOT_DEVICE
0x7C: BUGCODE_NDIS_DRIVER
0x7D: INSTALL_MORE_MEMORY
0x7E: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
0x7F: UNEXPECTED_KERNEL_MODE_TRAP
0x80: NMI_HARDWARE_FAILURE
0x81: SPIN_LOCK_INIT_FAILURE
0x82: DFS_FILE_SYSTEM
0x85: SETUP_FAILURE
0x8B: MBR_CHECKSUM_MISMATCH
0x8E: KERNEL_MODE_EXCEPTION_NOT_HANDLED
0x8F: PP0_INITIALIZATION_FAILED
0x90: PP1_INITIALIZATION_FAILED
0x92: UP_DRIVER_ON_MP_SYSTEM
0x93: INVALID_KERNEL_HANDLE
0x94: KERNEL_STACK_LOCKED_AT_EXIT
0x96: INVALID_WORK_QUEUE_ITEM
0x97: BOUND_IMAGE_UNSUPPORTED
0x98: END_OF_NT_EVALUATION_PERIOD
0x99: INVALID_REGION_OR_SEGMENT
0x9A: SYSTEM_LICENSE_VIOLATION
0x9B: UDFS_FILE_SYSTEM
0x9C: MACHINE_CHECK_EXCEPTION
0x9E: USER_MODE_HEALTH_MONITOR
0x9F: DRIVER_POWER_STATE_FAILURE
0xA0: INTERNAL_POWER_ERROR
0xA1: PCI_BUS_DRIVER_INTERNAL
0xA2: MEMORY_IMAGE_CORRUPT
0xA3: ACPI_DRIVER_INTERNAL
0xA4: CNSS_FILE_SYSTEM_FILTER
0xA5: ACPI_BIOS_ERROR
0xA7: BAD_EXHANDLE
0xAB: SESSION_HAS_VALID_POOL_ON_EXIT
0xAC: HAL_MEMORY_ALLOCATION
0xAD: VIDEO_DRIVER_DEBUG_REPORT_REQUEST
0xB4: VIDEO_DRIVER_INIT_FAILURE
0xB8: ATTEMPTED_SWITCH_FROM_DPC
0xB9: CHIPSET_DETECTED_ERROR
0xBA: SESSION_HAS_VALID_VIEWS_ON_EXIT
0xBB: NETWORK_BOOT_INITIALIZATION_FAILED
0xBC: NETWORK_BOOT_DUPLICATE_ADDRESS
0xBE: ATTEMPTED_WRITE_TO_READONLY_MEMORY
0xBF: MUTEX_ALREADY_OWNED
0xC1: SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION
0xC2: BAD_POOL_CALLER
0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION
0xC5: DRIVER_CORRUPTED_EXPOOL
0xC6: DRIVER_CAUGHT_MODIFYING_FREED_POOL
0xC7: TIMER_OR_DPC_INVALID
0xC8: IRQL_UNEXPECTED_VALUE
0xC9: DRIVER_VERIFIER_IOMANAGER_VIOLATION
0xCA: PNP_DETECTED_FATAL_ERROR
0xCB: DRIVER_LEFT_LOCKED_PAGES_IN_PROCESS
0xCC: PAGE_FAULT_IN_FREED_SPECIAL_POOL
0xCD: PAGE_FAULT_BEYOND_END_OF_ALLOCATION
0xCE: DRIVER_UNLOADED_WITHOUT_CANCELLING_PENDING_OPERATIONS
0xCF: TERMINAL_SERVER_DRIVER_MADE_INCORRECT_MEMORY_REFERENCE
0xD0: DRIVER_CORRUPTED_MMPOOL
0xD1: DRIVER_IRQL_NOT_LESS_OR_EQUAL
0xD2: BUGCODE_ID_DRIVER
0xD3: DRIVER_PORTION_MUST_BE_NONPAGED
0xD4: SYSTEM_SCAN_AT_RAISED_IRQL_CAUGHT_IMPROPER_DRIVER_UNLOAD
0xD5: DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL
0xD6: DRIVER_PAGE_FAULT_BEYOND_END_OF_ALLOCATION
0xD7: DRIVER_UNMAPPING_INVALID_VIEW
0xD8: DRIVER_USED_EXCESSIVE_PTES
0xD9: LOCKED_PAGES_TRACKER_CORRUPTION
0xDA: SYSTEM_PTE_MISUSE
0xDB: DRIVER_CORRUPTED_SYSPTES
0xDC: DRIVER_INVALID_STACK_ACCESS
0xDE: POOL_CORRUPTION_IN_FILE_AREA
0xDF: IMPERSONATING_WORKER_THREAD
0xE0: ACPI_BIOS_FATAL_ERROR
0xE1: WORKER_THREAD_RETURNED_AT_BAD_IRQL
0xE2: MANUALLY_INITIATED_CRASH
0xE3: RESOURCE_NOT_OWNED
0xE4: WORKER_INVALID
0xE6: DRIVER_VERIFIER_DMA_VIOLATION
0xE7: INVALID_FLOATING_POINT_STATE
0xE8: INVALID_CANCEL_OF_FILE_OPEN
0xE9: ACTIVE_EX_WORKER_THREAD_TERMINATION
0xEA: THREAD_STUCK_IN_DEVICE_DRIVER
0xEB: DIRTY_MAPPED_PAGES_CONGESTION
0xEC: SESSION_HAS_VALID_SPECIAL_POOL_ON_EXIT
0xED: UNMOUNTABLE_BOOT_VOLUME
0xEF: CRITICAL_PROCESS_DIED
0xF1: SCSI_VERIFIER_DETECTED_VIOLATION
0xF3: DISORDERLY_SHUTDOWN
0xF4: CRITICAL_OBJECT_TERMINATION
0xF5: FLTMGR_FILE_SYSTEM
0xF6: PCI_VERIFIER_DETECTED_VIOLATION
0xF7: DRIVER_OVERRAN_STACK_BUFFER
0xF8: RAMDISK_BOOT_INITIALIZATION_FAILED
0xF9: DRIVER_RETURNED_STATUS_REPARSE_FOR_VOLUME_OPEN
0xFA: HTTP_DRIVER_CORRUPTED
0xFC: ATTEMPTED_EXECUTE_OF_NOEXECUTE_MEMORY
0xFD: DIRTY_NOWRITE_PAGES_CONGESTION
0xFE: BUGCODE_USB_DRIVER
0xFF: RESERVE_QUEUE_OVERFLOW
0x100: LOADER_BLOCK_MISMATCH
0x101: CLOCK_WATCHDOG_TIMEOUT
0x103: MUP_FILE_SYSTEM
0x104: AGP_INVALID_ACCESS
0x105: AGP_GART_CORRUPTION
0x106: AGP_ILLEGALLY_REPROGRAMMED
0x108: THIRD_PARTY_FILE_SYSTEM_FAILURE
0x109: CRITICAL_STRUCTURE_CORRUPTION
0x10A: APP_TAGGING_INITIALIZATION_FAILED
0x10C: FSRTL_EXTRA_CREATE_PARAMETER_VIOLATION
0x10D: WDF_VIOLATION
0x10E: VIDEO_MEMORY_MANAGEMENT_INTERNAL
0x10F: RESOURCE_MANAGER_EXCEPTION_NOT_HANDLED
0x111: RECURSIVE_NMI
0x112: MSRPC_STATE_VIOLATION
0x113: VIDEO_DXGKRNL_FATAL_ERROR
0x114: VIDEO_SHADOW_DRIVER_FATAL_ERROR
0x115: AGP_INTERNAL
0x116: VIDEO_TDR_ERROR
0x117: VIDEO_TDR_TIMEOUT_DETECTED
0x119: VIDEO_SCHEDULER_INTERNAL_ERROR
0x11A: EM_INITIALIZATION_FAILURE
0x11B: DRIVER_RETURNED_HOLDING_CANCEL_LOCK
0x11C: ATTEMPTED_WRITE_TO_CM_PROTECTED_STORAGE
0x11D: EVENT_TRACING_FATAL_ERROR
0x121: DRIVER_VIOLATION
0x122: WHEA_INTERNAL_ERROR
0x124: WHEA_UNCORRECTABLE_ERROR
0x127: PAGE_NOT_ZERO
0x12B: FAULTY_HARDWARE_CORRUPTED_PAGE
0x12C: EXFAT_FILE_SYSTEM
0x144: BUGCODE_USB3_DRIVER
0x1000007E: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
0x1000007F: UNEXPECTED_KERNEL_MODE_TRAP_M
0x1000008E: KERNEL_MODE_EXCEPTION_NOT_HANDLED_M
0x100000EA: THREAD_STUCK_IN_DEVICE_DRIVER_M
0xC0000135 STATUS_DLL_NOT_FOUND
0xC0000218: STATUS_CANNOT_LOAD_REGISTRY_FILE
0xC000021A: STATUS_SYSTEM_PROCESS_TERMINATED
0xC0000221: STATUS_IMAGE_CHECKSUM_MISMATCH
0xDEADDEAD: MANUALLY_INITIATED_CRASH1

Have an idea for something that you'd like to see explored? Leave a comment or send an e-mail to razorbackx_at_gmail<dot>com

20 comments:

  1. Great write up buddy!!!!

    Appreciated your efforts bringing great info in one post

    ReplyDelete
  2. Thanks for your this great blog!
    I couldn't successfully install the debugging tools through the web installer.
    According to the log files I have a newer version of Microsoft Visual C++ 2010 Redistributable as needed.

    Manually installing the debugging tools worked though:
    http://download.microsoft.com/download/A/6/A/A6AC035D-DA3F-4F0C-ADA4-37C8E5D34E3D/setup\WinSDKDebuggingTools_amd64\dbg_amd64.msi

    ReplyDelete
  3. This series of posts on windows crash debugging is awesome! Your instructions are easy to follow. You explain what actually goes on during these crashes. And, you give reliable links here and there.

    Good bye to those times when all I could do after a BSoD were updating drivers, running chkdsk, and crossing my fingers.

    ReplyDelete
  4. hi mike, I'm marysa.
    you suggested me to visit your blog and provided me this link through a post on microsoft answers a few days ago.
    and so, here I am. I read here some post and I found them very useful.

    I'd like to see explored the article about the bug check 0xA5.

    I experience this error message 0x000000A5 (0x0001000A, 0x00000000, 0x00000000, 0x00000000) on his blue screen every time I try to turn on my computer.


    searching on the web and also on your blog, I found that this bug check indicates that the Advanced Configuration and Power Interface (ACPI) BIOS of the computer is not fully compliant with the ACPI specification.

    what does it mean? and how can I solve it?

    I'll be very grateful to you if you can help me.
    thanks in advance.

    marysa

    ReplyDelete
    Replies
    1. Can do, can you post the minidumps (if available) to skydrive and post/email me a link?

      Delete
    2. yes, sure. here is the link
      https://skydrive.live.com/?cid=030264420225E3AA&id=30264420225E3AA%21136

      Delete
    3. Hi Marysa,

      I noticed a curosity with the dumps that you posted, these do not appear to be 0x000000A5, but rather 0x00000001 APC_INDEX_MISMATCH, blaming the kernel. It's possible that A5 doesn't generate a minidump (similar to 0xc0000135). Given that it is an ACPI compliance issue, you might start by seeing if there is a BIOS update, as this will likely be the starting point in the software-controlled power stack for the system.

      Delete
    4. ok, thank you very much. Even at the moment I have no idea what to do, I'll start searching something about the BIOS update.
      marysa

      Delete
    5. Hi Marysa,

      I did a brief search and it may be hard to find a BIOS update for your system. You might need to contact support directly,

      http://www.packardbell.co.uk/pb/en/GB/content/contacts

      Delete
    6. Hi Mike,
      it's very kind of you to help me.

      Delete
    7. Hi Mike,
      you were nearly right about the BIOS update for my computer: it is not hard to find a BIOS update for my computer, it's really impossible because Packard Bell support don't have any updated release of it. what a frustration!
      do you think there's another solution to solve my problem?

      Delete
  5. Hi Mike,

    I'm trying to install the Debugger Tools but it's not installing properly. I looked at the setup logs for it after attemping to install it a second time and at the end of the document it lists,
    "12:16:39 Monday, January 30, 2012: C:\Program Files\Microsoft SDKs\Windows\v7.1\Setup\SFX\vcredist_x86.exe installation failed with return code 5100
    12:16:41 Monday, January 30, 2012: [SDKSetup:Error] Config_Products_Install: Installation of Product Microsoft Windows SDK for Windows 7 (failed): Please refer to Samples\Setup\HTML\ConfigDetails.htm document for further information."
    Where is that file located and do you know the reason why it failed?

    ReplyDelete
    Replies
    1. Do you currently have the Visual C++ Runtime redistributable package installed? If so, this might need to be removed first

      Delete
  6. Hi Mike, thanks from Cali-Colombia for sharing your knowledge, today I've learned something more.

    Regards
    TODERUS

    ReplyDelete
  7. Hello Mike,
    I successfully installed Windbg, however, I'm having trouble opening files from my minidump folder. I recieve this messsage when I click to open one of the files:

    Open Crash Dump
    012112-18813-01.dmp
    You don't have permission to open this file.
    Contact the file owner or an administrator to obtain permission.

    I have a new Lenovo Z470 (October 2011) with Windows 7. I've had 5 BSOD since January.

    Thanks if you have the time!

    ReplyDelete
    Replies
    1. I had to grant permissions to my local computer account to look at my dump files in Vista Home Premium. First, I right clicked on the file in directory (c:\windows\minidumps\mini.dmp or c:\windows\memory.dmp, in my case). Secondly, I selected the "Security" tab then the "Continue" button then "Continue" to get past the UAC annoyance (assuming you are an administrator-level user). You might need to get the administrator credentials, if you're not one. Once you have done this part (gotten past the UAC), it will present you with the existing permissions. Click "Add" and it will give you a box to type in. Type in your account name and click on "Check Names" to ensure you have the account you want. I chose "Full Control" to ensure that it didn't give me any more grief but you can select "Full Control" and then deselect it to give you all but full control. After you set permissions, it will let you work with the file.

      Delete
  8. Hi Mike,

    I have installed windbg and when i choose the open crash dump option from the file menu, nothing happens. I tried 32 and 64-bit versions of the application but both behave similarly. Any thoughts? Thanks.

    ReplyDelete
  9. Hi Mike,
    You are great!!! Actually we used to contact MS for analyzing BSOD & we had to wait for sometime to get the RFC or output in earlier days but this post really helps me a lot. It saved my time as well as i learnt a new stuff. Thanks a ton!!!

    ReplyDelete
  10. Hi Mike,
    I'm finding difficulties on getting to know the actual root cause for one of the BSOD error which occurs in the morning on windows2008 R2 - 64Bit machine - i've copied the last few lines for your reference.

    STACK_COMMAND: kb

    FOLLOWUP_IP:
    nt!KiSystemServiceHandler+7c
    fffff800`022d147c b801000000 mov eax,1

    SYMBOL_STACK_INDEX: 2

    SYMBOL_NAME: nt!KiSystemServiceHandler+7c

    FOLLOWUP_NAME: MachineOwner

    MODULE_NAME: nt

    IMAGE_NAME: ntkrnlmp.exe

    DEBUG_FLR_IMAGE_TIMESTAMP: 503f857d

    FAILURE_BUCKET_ID: X64_0x3B_nt!KiSystemServiceHandler+7c

    BUCKET_ID: X64_0x3B_nt!KiSystemServiceHandler+7c

    I've also enabled verifier.exe and rebooted the machine to see if any device driver causing the blue dump but the server did not create any dumps to extract the issue. You have any idea about it? Please suggest.

    ReplyDelete
    Replies
    1. That's part of the difficulty with SYSTEM_SERVICE_EXCEPTION. Since the dump references the kernel itself, I'm guessing that you had an exception code of 0xc0000005 further up in the debugging output. I'd recommend keeping verifier enabled until you get a verifier-enabled dump (probably will have an bug code between 0xC1 and 0xC9 or you'll get another exception that actually references the problematic driver).

      Delete