Lenovo Yoga 7 Gen 7: DPC Watchdog Violation (Bugcheck code: 0x133)

U

User Of Inspiron 1420

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Hi, sometimes my laptop freezes and I am forced to restart it by holding the power button. I tried to wait for 5 minutes+- before and the BSOD screen will never appear, but dump files will be present and all of them show DPC Watchdog Violation. The laptop is likely to face BSOD if I use touchpad/touchscreen/tablet mode while if I use an external mouse and don't use three of that it won't have this issue.
I am not sure is it helpful or not, but I collect complete memory dump and rename them using this format: MEMORY DDMMYYYY HHMM.

Details:
Lenovo Yoga 7 Gen 7 (14'' AMD)
Model number: 14ARB7
CPU : AMD Ryzen 7 6800U
iGPU : AMD Radeon 680M, this laptop does not have dGPU, 4GB RAM is allocated to it according to BIOS, under UMA frame buffer size
RAM : Micron, MT62F2G32D8DR-031 WT, all slots? I am not sure about this because I didn't open the laptop case before to check, more info in the txt file.
OS (Current OS and Original installed OS): Windows 11 Pro 10.0.22631 (23H2), it is an OEM version
Age of hardware : 2 years
Age of OS : I think I had reinstall the OS before but I am not sure
Driver verifier is disabled
I have VPN installed but never use it, it is not allowed to run in background too.
Using Windows Security only
Didn't use Disk Image tool and overclocking/underclocking


http://speccy.piriform.com/results/ovtt5A5KtUYTbUQRJTUXwBK



Thanks!
 

Attachments

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SSD test and memtest results is fine. I am running driver verifier now.
I also forgot to mention that I keep apps, BIOS, drivers and Windows Update up to date (except upgrading to 24H2).
 
Last edited by a moderator:
I just had a BSOD again, here's my log.
Do you prefer that I rerun the log everytime or I just upload the minidump/complete memory file next time?
And should I keep driver verifier on?
 
One of the dumps (111124-20906-01.dmp) has a bugcheck type where we need the full kernel dump to analyse it - but don't upload the kernel dump yet. Three of the other four dumps fail whilst manipulating a lock, two of them whilst waiting for the lock. Lockwords are held in RAM and that's where I think we need to start looking. In addition, the dxdiag log shows a number of memory related application errors (mostly buffer overflows) and they also suggest a focus on RAM.

You are clocking your four RAM sticks at 6400MHz, which appears to be the their maximum rated speed. However this is an overclock, AFAIK their native speed is 3200MHz and when dealing with BSODs we need all overclocks removed. I'd suggest you enter the BIOS and remove the RAM overclock (via DOCP/XMP) so that the RAM runs at it's native speed and see whether these BSODs continue.
 
ubuysa said:
One of the dumps (111124-20906-01.dmp) has a bugcheck type where we need the full kernel dump to analyse it - but don't upload the kernel dump yet. Three of the other four dumps fail whilst manipulating a lock, two of them whilst waiting for the lock. Lockwords are held in RAM and that's where I think we need to start looking. In addition, the dxdiag log shows a number of memory related application errors (mostly buffer overflows) and they also suggest a focus on RAM.

You are clocking your four RAM sticks at 6400MHz, which appears to be the their maximum rated speed. However this is an overclock, AFAIK their native speed is 3200MHz and when dealing with BSODs we need all overclocks removed. I'd suggest you enter the BIOS and remove the RAM overclock (via DOCP/XMP) so that the RAM runs at it's native speed and see whether these BSODs continue.
Click to expand...
Hi, there is no option in the BIOS to overclock the RAM, and I never attempt to overclock it as well
This is the checkout page when I purchase the laptop, and here is the spec page that says LPDDR5-6400 https://psref.lenovo.com/syspool/Sys/PDF/Yoga/Yoga_7_14ARB7/Yoga_7_14ARB7_Spec.pdf

Should I change it from complete memory file to kernel memory file in system properties?
photo_2022-10-10_11-34-17.webp
 
Let's see if this helped.
In the meanwhile, you could zip and upload here the C:\Windows\MEMORY.DMP file (since it could be "big", use google drive, onedrive, or similar web services).
 

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