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When entering S3/S4, GFX receives D0 request
What is the D0? Set BP on our handler, and filter by cond BP for set power state 12: kd> bl 0 e Disable Clear fffff802`7b359020 000
read more0x133.0 NPU Line Interrupt
- Nick Kuo
- BSOD Analysis
- 31 Mar, 2025
The BSOD sequence of event looks like this:OS is starting up NPU device.Something w
read moreSelf-Signed WHQL Certificate for Testing
Root Certificate $params = @{ Type = 'Custom' SerialNumber = '28cc3a25bfba44ac449a9b586b4339aa' KeyAlgorithm = 'RSA' HashAlgo
read more0x19C.50 WuReject PostT7Delay
- Nick Kuo
- BSOD Analysis
- 05 Mar, 2025
In dce110_edp_backlight_control, we request a wait of "post_T7_delay". This wait was n
read moreNT Wait Times
NT Wait Time OS store shared data as nt!_KUSER_SHARED_DATA . It is always mapped to 0xfffff78000000000 in all process. It is done through page t
read moreWinDbg System Uptime
Trace print code of “System Uptime” unicode string. 0:007> !for_each_module s-u @#Base @#End "System Uptime" 00007ffe`d8ec8e30 0053 0079 0073
read more0x9F.3 Gfx Stuck Cause Acp PoIrp Timeout
- Nick Kuo
- BSOD Analysis
- 06 Feb, 2025
5: kd> .bugcheck Bugcheck code 0000009F Arguments 00000000`00000003 ffffcf07`04d3caf0 ffffcd04`6bb4f010 ffffcf07`0dec88a0 9: kd> k # Child-SP
read more0x19C.50 Lid
- Nick Kuo
- BSOD Analysis
- 25 Dec, 2024
2: kd> .bugcheck Bugcheck code 0000019C Arguments 00000000`00000050 ffffbf87`de64a3c0 00000000`00000000 00000000`000000002: kd> !thread
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