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Re: IRP_MN_SET_POWER - will do some more digging.



On 17/10/2022 14:59, Martin Harvey wrote:

Okay, well regardless of discussion about the power model, we still see these 
occasionally, it's an open question at the moment as to whether it's the IRP 
handling (which you have nicely serialized), or whether pci is expecting some 
different ordering somewhere.

I can probably find time to do some more digging.


TBH that PciStallForPowerChange suggests it is waiting for something in config space. I'm guessing from nvlddmkm in the stack that was a vGPU VM? I'd be looking at the config space emulation for my problem, not the PV drivers :-)

  Cheers,

    Paul




 


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