BSOD on startup, error code:b8


  1. Posts : 1
    Windows 7 professional x64
       #1

    BSOD on startup, error code:b8


    Computer keep having error on startup over a few weeks. Sometime it works fine but lately it has been restarting and leading me to safe mode option. Please provide me some advice.
      My Computer


  2. Posts : 15,026
    Windows 10 Home 64Bit
       #2

     Clean boot


    Reduce items at start-up. No software except anti-virus is required plus doing this improves the time for logging into windows:

    Run the System File Checker that scans the of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:
    • Click on the
    • Type CMD on Search
    • Left click and Run as Administrator
    • Type SFC /scannow

    Full tutorial here:

    Run Disk Check on your Hard Drive for file system errors and bad sectors on it.

     Hard Drive Diagnostics


    • Double click and open my computer.
    • Right click on desired drive and hit properties.
    • Click on tools tab and Check now.


    Read complete instructions on the tutorial: Disk Check

    Other Tests:
     




    Code:
    Microsoft (R) Windows Debugger Version 10.0.10240.9 X86
    Copyright (c) Microsoft Corporation. All rights reserved.
    
    
    Loading Dump File [C:\Users\Yusra\Downloads\SLY-HP-09_11_2015_220533_04\110615-14227-01.dmp]
    Mini Kernel Dump File: Only registers and stack trace are available
    
    
    ************* Symbol Path validation summary **************
    Response                         Time (ms)     Location
    Deferred                                       SRV*c:\symbols*http://msdl.microsoft.com/download/symbols
    Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols
    Executable search path is: 
    No .natvis files found at C:\Program Files\Windows Kits\10\Debuggers\x86\Visualizers.
    Windows 7 Kernel Version 7601 (Service Pack 1) MP (8 procs) Free x64
    Product: WinNt, suite: TerminalServer SingleUserTS
    Built by: 7601.19018.amd64fre.win7sp1_gdr.150928-1507
    Machine Name:
    Kernel base = 0xfffff800`0381c000 PsLoadedModuleList = 0xfffff800`03a63730
    Debug session time: Fri Nov  6 20:00:52.051 2015 (UTC + 6:00)
    System Uptime: 0 days 0:00:22.957
    Loading Kernel Symbols
    .
    
    Press ctrl-c (cdb, kd, ntsd) or ctrl-break (windbg) to abort symbol loads that take too long.
    Run !sym noisy before .reload to track down problems loading symbols.
    
    ..............................................................
    ................................................................
    ................................................................
    ..............................
    Loading User Symbols
    Loading unloaded module list
    .......
    *******************************************************************************
    *                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    *******************************************************************************
    
    Use !analyze -v to get detailed debugging information.
    
    BugCheck B8, {fffffa80105835a0, fffff80003a1dcc0, 0, 0}
    
    Probably caused by : ntkrnlmp.exe ( nt!SwapContext_PatchXRstor+120 )
    
    Followup:     MachineOwner
    ---------
    
    0: kd> !analyze -v
    *******************************************************************************
    *                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    *******************************************************************************
    
    ATTEMPTED_SWITCH_FROM_DPC (b8)
    A wait operation, attach process, or yield was attempted from a DPC routine.
    This is an illegal operation and the stack track will lead to the offending
    code and original DPC routine.
    Arguments:
    Arg1: fffffa80105835a0, Original thread which is the cause of the failure
    Arg2: fffff80003a1dcc0, New thread
    Arg3: 0000000000000000, Stack address of the original thread
    Arg4: 0000000000000000
    
    Debugging Details:
    ------------------
    
    
    SYSTEM_SKU:  F4C76PP#AB4
    
    SYSTEM_VERSION:  A3009DD10303
    
    BIOS_DATE:  11/04/2013
    
    BASEBOARD_PRODUCT:  1944
    
    BASEBOARD_VERSION:  KBC Version 89.10
    
    BUGCHECK_P1: fffffa80105835a0
    
    BUGCHECK_P2: fffff80003a1dcc0
    
    BUGCHECK_P3: 0
    
    BUGCHECK_P4: 0
    
    FAULTING_THREAD:  105835a0
    
    CPU_COUNT: 8
    
    CPU_MHZ: 892
    
    CPU_VENDOR:  GenuineIntel
    
    CPU_FAMILY: 6
    
    CPU_MODEL: 3c
    
    CPU_STEPPING: 3
    
    CUSTOMER_CRASH_COUNT:  1
    
    DEFAULT_BUCKET_ID:  WIN7_DRIVER_FAULT
    
    BUGCHECK_STR:  0xB8
    
    PROCESS_NAME:  System
    
    CURRENT_IRQL:  2
    
    ANALYSIS_VERSION: 10.0.10240.9 x86fre
    
    DPC_STACK_BASE:  FFFFF80000BA0FB0
    
    STACK_OVERFLOW: Stack Limit: fffff80000b9afb0. Use (kF) and (!stackusage) to investigate stack usage.
    
    LAST_CONTROL_TRANSFER:  from fffff800038935b4 to fffff80003890200
    
    STACK_TEXT:  
    fffff800`00b9abf8 fffff800`038935b4 : 00000000`000000b8 fffffa80`105835a0 fffff800`03a1dcc0 00000000`00000000 : nt!KeBugCheckEx
    fffff800`00b9ac00 00000000`000000b8 : fffffa80`105835a0 fffff800`03a1dcc0 00000000`00000000 00000000`00000000 : nt!SwapContext_PatchXRstor+0x120
    fffff800`00b9ac08 fffffa80`105835a0 : fffff800`03a1dcc0 00000000`00000000 00000000`00000000 00000000`00000201 : 0xb8
    fffff800`00b9ac10 fffff800`03a1dcc0 : 00000000`00000000 00000000`00000000 00000000`00000201 00000000`00000002 : 0xfffffa80`105835a0
    fffff800`00b9ac18 00000000`00000000 : 00000000`00000000 00000000`00000201 00000000`00000002 fffff800`03887fbd : nt!KiInitialThread
    
    
    STACK_COMMAND:  .thread 0xfffffa80105835a0 ; kb
    
    FOLLOWUP_IP: 
    nt!SwapContext_PatchXRstor+120
    fffff800`038935b4 c3              ret
    
    SYMBOL_STACK_INDEX:  1
    
    SYMBOL_NAME:  nt!SwapContext_PatchXRstor+120
    
    FOLLOWUP_NAME:  MachineOwner
    
    MODULE_NAME: nt
    
    IMAGE_NAME:  ntkrnlmp.exe
    
    DEBUG_FLR_IMAGE_TIMESTAMP:  5609efa0
    
    IMAGE_VERSION:  6.1.7601.19018
    
    FAILURE_BUCKET_ID:  X64_0xB8_nt!SwapContext_PatchXRstor+120
    
    BUCKET_ID:  X64_0xB8_nt!SwapContext_PatchXRstor+120
    
    PRIMARY_PROBLEM_CLASS:  X64_0xB8_nt!SwapContext_PatchXRstor+120
    
    ANALYSIS_SOURCE:  KM
    
    FAILURE_ID_HASH_STRING:  km:x64_0xb8_nt!swapcontext_patchxrstor+120
    
    FAILURE_ID_HASH:  {21c47b72-ebac-db5b-19e0-cb94026da3c8}
    
    Followup:     MachineOwner
    ---------
      My Computer


 

  Related Discussions
Our Sites
Site Links
About Us
Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd
All times are GMT -5. The time now is 03:26.
Find Us