BSOD on boss kill (UNEXPECTED_KERNEL_MODE_TRAP)

Killing Dominus resulted in a BSOD. I have killed this boss in the past, have never seen this particular bsod before.

Chance to reproduce: unknown (probably extremely rare)
Severity: Critical
Priority: unknown (probably low if nobody else is reporting the same bsod error)

Steps taken to reproduce:
- kill Dominus
- see items being dropped for a very brief millisecond
- immediately getting a BSOD when items drop on the ground -- UNEXPECTED_KERNEL_MODE_TRAP (7f)

https://learn.microsoft.com/en-us/windows-hardware/drivers/debugger/bug-check-0x7f--unexpected-kernel-mode-trap
The bugcheck was: 0x0000007f (0x0000000000000008, 0xffff9781c7a7fe70, 0xfffff885c3dd1000, 0xfffff80570608a80).

Additional Information:
- DxDiag attached - https://ufile.io/t5fij7ig
- OC'd 12700k with e-cores enabled, DDR5 (xmp 6000-40)
- Memory dump (copy pasted text from WinDbg since I'm not sure what else could be hanging in the dump to be safe.. ran a few commands to get more info but doesn't seem too fruitful) - https://ufile.io/j32bnpg1
- First time I am seeing this bsod error, the machine is otherwise pretty stable and I can any older and new games without problems (stressing it out for max frames constantly), so I don't think it's anything to do with clocks

---- EDIT/RESOLUTION ----
Looking into the memory dump, "ITERHPGen.exe" appears to be the originating process.
I did not see the process name "ITERHPGen.exe" (from memory dump) running as either a service or an app. I could not google it either, so I figured it must be some PoE auxiliary .exe or something.
Then I scanned all of my disks and found it in this path:
C:\Program Files (x86)\ASUS\AsusFCNotification\ITERHPGen.exe

The parent directory "AsusFCNotification" is Asus bloatware which does actually run as a background app indeed - even though I can't find the service associated with it.
So while ITERHPGen.exe is not running (not in task manager), it presumably gets executed by AsusFCNotification.exe at some point during it's lifecycle. I don't know why, but it's winblows where you have no control so anything is possible, this crappy .exe is set to run on startup.

So I disabled AsusFCNotification.exe from startup, I have no idea what it does, why it exists, and why asus feels the need to shove their endless bloatware onto their customers, but hey, this at least isolates the BSOD to the faulty process.
While I don't know for sure that this .exe executed that .exe, it seems like a good bet.

So this does not appear to have anything to do with PoE, but rather that this .exe doesn't like it for some reason.

I will edit this post again in case anything changes, but for now I am keeping this here just in case I am not the only one with crappy asus things.

---- EDIT2 ----
Still happening, several hours, random, just somewhere on the map, walking around.
This time the memory dump points to PathOfExileSteam.exe so not a whole lot else to go on. Again, the machine is fine running any other games and passed stability tests, so this makes me skeptical.
Mem dump (copied txt from WinDbg): https://ufile.io/tekgqeml
Last edited by eXistenZT#1053 on Dec 11, 2022, 8:51:47 PM
Last bumped on Jun 4, 2023, 7:25:56 AM
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BIOS update. If you don't have Resizable BAR support, replace whole PC.
"
eXistenZT wrote:
Killing Dominus resulted in a BSOD. I have killed this boss in the past, have never seen this particular bsod before.

Chance to reproduce: unknown (probably extremely rare)
Severity: Critical
Priority: unknown (probably low if nobody else is reporting the same bsod error)

Steps taken to reproduce:
- kill Dominus
- see items being dropped for a very brief millisecond
- immediately getting a BSOD when items drop on the ground -- UNEXPECTED_KERNEL_MODE_TRAP (7f)

https://learn.microsoft.com/en-us/windows-hardware/drivers/debugger/bug-check-0x7f--unexpected-kernel-mode-trap
The bugcheck was: 0x0000007f (0x0000000000000008, 0xffff9781c7a7fe70, 0xfffff885c3dd1000, 0xfffff80570608a80).

Additional Information:
- DxDiag attached - https://ufile.io/t5fij7ig
- OC'd 12700k with e-cores enabled, DDR5 (xmp 6000-40)
- Memory dump (copy pasted text from WinDbg since I'm not sure what else could be hanging in the dump to be safe.. ran a few commands to get more info but doesn't seem too fruitful) - https://ufile.io/j32bnpg1
- First time I am seeing this bsod error, the machine is otherwise pretty stable and I can any older and new games without problems (stressing it out for max frames constantly), so I don't think it's anything to do with clocks

---- EDIT/RESOLUTION ----
Looking into the memory dump, "ITERHPGen.exe" appears to be the originating process.
I did not see the process name "ITERHPGen.exe" (from memory dump) running as either a service or an app. I could not google it either, so I figured it must be some PoE auxiliary .exe or something.
Then I scanned all of my disks and found it in this path:
C:\Program Files (x86)\ASUS\AsusFCNotification\ITERHPGen.exe

The parent directory "AsusFCNotification" is Asus bloatware which does actually run as a background app indeed - even though I can't find the service associated with it.
So while ITERHPGen.exe is not running (not in task manager), it presumably gets executed by AsusFCNotification.exe at some point during it's lifecycle. I don't know why, but it's winblows where you have no control so anything is possible, this crappy .exe is set to run on startup.

So I disabled AsusFCNotification.exe from startup, I have no idea what it does, why it exists, and why asus feels the need to shove their endless bloatware onto their customers, but hey, this at least isolates the BSOD to the faulty process.
While I don't know for sure that this .exe executed that .exe, it seems like a good bet.

So this does not appear to have anything to do with PoE, but rather that this .exe doesn't like it for some reason.

I will edit this post again in case anything changes, but for now I am keeping this here just in case I am not the only one with crappy asus things.

---- EDIT2 ----
Still happening, several hours, random, just somewhere on the map, walking around.
This time the memory dump points to PathOfExileSteam.exe so not a whole lot else to go on. Again, the machine is fine running any other games and passed stability tests, so this makes me skeptical.
Mem dump (copied txt from WinDbg): https://ufile.io/tekgqeml


Uninstalling AsusFCNotification did the trick for me. It was causing the problem by spawning infinite instances of ITERHPGen.exe (that were not shown in the task manager because it was stopping them but not cleaning the ram. You can check this with tools like RamMap, processes tab) but never clearing them up, taking 32k of the ram memory page table each. It was ending up consuming my 32GB of RAM entirely slowing down the whole computer.

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