Re: S3 Resume breakpoint

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

How soon after resuming from S3 can I access physical memory through a PCIe
bar? I set a breakpoint in pci!PciReadDeviceCapability, and then manually
configured the BARs and Command register to enable memory space. But reading
physical memory from BAR0 in WinDbg (!dd [uc] bar0) is just returning
0xffffffff for everything.

"Maxim S. Shatskih" wrote:

Look at the call stack in any PPO for any S power IRP, read the function
names, then play with breakpoints on them.

--
Maxim S. Shatskih
Windows DDK MVP
maxim@xxxxxxxxxxxxxxxx
http://www.storagecraft.com

"Michael" <Michael@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:1E094D93-A0FC-4230-9EAF-DB4F617974AE@xxxxxxxxxxxxxxxx
I need to set a break point resuming from S3 before the pci bus driver
runs.
What is the first code that runs coming out of S3 that I could set a break
point in?



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