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Windows 7: frequent random BSODs

04 Aug 2010   #61

Windows 10 Pro x64

This is another set of dumps pointing at the CPU - one is showing the CPU going into a halt state and causing a bugcheck, and the second is the CPU trying to come back out of a halt state and causing a bugcheck (both fail in kernel because an interrupt failed to find the thread on the CPU that should have been available, but the problem isn't the kernel).

Let's have you try disabling the C3 power state via the registry, and see if that keeps the CPU from going so far to sleep that it won't come back:
reg add HKLM\System\CurrentControlSet\Control\Processor /v Capabilities /t REG_DWORD /d 0x0007c044
Reboot for the change to take effect, of course.

My System SpecsSystem Spec
05 Aug 2010   #62


Hmm. I'd say that this shouldn't happen at all as I disabled the machine from power-saving by creating a profile which doesn't do it.

Anyway, I'll try this.
My System SpecsSystem Spec
05 Aug 2010   #63

not sleeping

Here's a minidump from dvd creator
My System SpecsSystem Spec

05 Aug 2010   #64

64-bit Windows 8.1 Pro

The dmp(s) point to ntkrpamp.exe or ntoskrnl.exe as the probable cause. We know this is not the case, as these are core OS files, and will definitely not cause a BSOD. They are just the default files the debuggers blame when they can't see a better cause. Enable driver verifier so we can stress the drivers..

- Go to Start and type in "verifier" (without the quotes) and press Enter
- Select "Create custom settings (for code developers)" and click "Next"
- Select "Select individual settings from a full list" and click "Next"
- Select everything EXCEPT FOR "Low Resource Simulation" and click "Next"
- Select "Select driver names from a list" and click "Next"
Then select all drivers NOT provided by Microsoft and click "Next"
- Select "Finish" on the next page.

Reboot the system and wait for it to crash to the Blue Screen. Continue to use your system normally, and if you know what causes the crash, do that repeatedly. The objective here is to get the system to crash because Driver Verifier is stressing the drivers out. If it doesn't crash for you, then let it run for at least 36 hours of continuous operation (an estimate on my part).
My System SpecsSystem Spec
05 Aug 2010   #65

Windows 10 Pro x64

Quote   Quote: Originally Posted by thargas View Post
Hmm. I'd say that this shouldn't happen at all as I disabled the machine from power-saving by creating a profile which doesn't do it.

Anyway, I'll try this.
You have to remember that the CPU goes into sleep states regardless of what your power options are - you're changing the way the *OS* does it's power management in the power config, but the CPU can still go into sleep states (C-states) when idle if designed to do so.
My System SpecsSystem Spec
16 Aug 2010   #66

still bsod after disabling c3 power state

and setting verifier as per tews
My System SpecsSystem Spec
16 Aug 2010   #67

Microsoft Window 7 Professional 32 bit

Both of these point to your AMD processor driver. What have u done to it?

Microsoft (R) Windows Debugger Version 6.12.0002.633 X86
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Users\TUANTR~1\AppData\Local\Temp\Rar$DI00.333\081610-73710-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*e:\symbols*
Executable search path is: 
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7600.16617.amd64fre.win7_gdr.100618-1621
Machine Name:
Kernel base = 0xfffff800`02a0e000 PsLoadedModuleList = 0xfffff800`02c4be50
Debug session time: Mon Aug 16 08:46:02.689 2010 (UTC + 7:00)
System Uptime: 0 days 1:57:07.624
Loading Kernel Symbols
Loading User Symbols
Loading unloaded module list
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

Use !analyze -v to get detailed debugging information.

BugCheck A, {ffffffffccfe00b0, d, 1, fffff800030078f0}

Probably caused by : amdppm.sys ( amdppm!C1Halt+2 )

Followup: MachineOwner
My System SpecsSystem Spec
16 Aug 2010   #68

Windows 10 Pro x64

Agreed, probably good for the OP to answer if he's modified any of these files in any way. However, if not, the dump is showing that the CPU was in a C1Halt state at the time of the failure. This still looks 100% like a hardware issue.
My System SpecsSystem Spec
17 Aug 2010   #69

Windows 7 Professional x64

My System SpecsSystem Spec
17 Aug 2010   #70


Nope. I've not modified it in any way. People have suggested that it should be upgraded, but I've not found a way to do that.

However, I finally put together some other info, i.e. that this is a MS provided driver, and started looking for amdppm.sys on the microsoft site. I didn't find an updated driver, but I did find people saying that the Athlon 64 processors should be using amdk8.sys not amdppm.sys and that this was a problem with windows update choosing the wrong driver.

I've looked on disk and both amdppm.sys and amdk8.sys appear to be present in the same directory. So the question I've got is: how do I make it use amdk8.sys instead? Given that it's a processor driver, I'm somewhat nervous about just renaming amdppm.sys to get it out of the way.

BTW, I think that the power-state hack seems to have made it more stable. I.E. it only crashes when I try to make it crash by making a DVD with windows DVD maker.
My System SpecsSystem Spec

 frequent random BSODs

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