driver power state failure bsod

Code:

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Use !analyze -v to get detailed debugging information.

BugCheck 9F, {3, fffffa800d618a10, fffff80000ba0748, fffffa8014217b20}

Probably caused by : pci.sys

Followup: MachineOwner
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0: kd> !devobj fffffa800d618a10
Device object (fffffa800d618a10) is for:
 Cannot read info offset from nt!ObpInfoMaskToOffset
 \Driver\pci DriverObject fffffa800d5471c0
Current Irp 00000000 RefCount 0 Type 00000022 Flags 00001040
DevExt fffffa800d618b60 DevObjExt fffffa800d618f88 DevNode fffffa800d619010 
ExtensionFlags (0x00000800)  DOE_DEFAULT_SD_PRESENT
Characteristics (0x00000100)  FILE_DEVICE_SECURE_OPEN
AttachedDevice (Upper) fffffa800ec0ce10 \Driver\HDAudBus
Device queue is not busy.

Still appears to be the audio issue......HDAudBus.sys is actually a Windows system file - I assume Windows is fully updated?

Can you check to see that your Sound Blaster drivers are up-to-date too?

I don't think this is related, but your CPU is being throttled back by the system. Have you noticed other issues?

Code:

Event[38933]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:17.711
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 0 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Event[38934]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:17.818
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 1 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Event[38935]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:17.928
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 2 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Event[38936]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:18.038
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 3 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Event[38937]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:18.146
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 4 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Event[38938]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:18.261
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 5 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Event[38939]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:18.370
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 6 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Event[38940]:
  Log Name: System
  Source: Microsoft-Windows-Kernel-Processor-Power
  Date: 2015-04-03T10:04:18.479
  Event ID: 37
  Task: N/A
  Level: Warning
  Opcode: Info
  Keyword: N/A
  User: S-1-5-18
  User Name: NT AUTHORITY\SYSTEM
  Computer: thebeast-PC
  Description: 
The speed of processor 7 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 26 seconds since the last report.

Lets see if we can sort the Sound Blaster issue first. After that we'll have a look at the CPU.

Get those drivers updated, then post back here and we'll take it from there.

The drivers that Windows "reads" in Device Manager will always be outdated compared to the OEM or manufacturers. Always check directly with the manufacturer.

Let us know the situation in a few days.

There is no evidence of a BSOD - that zip file contains a 0x9f from 3 April, which we looked at originally. What makes you think it crashed?