[pso] BSOD MmGetSystemAddressForMdlSafe

Razvan Deaconescu razvan.deaconescu at cs.pub.ro
Sun May 10 14:55:10 EEST 2009


On Sun, 2009-05-10 at 13:02 +0300, Matei Gruber wrote:
> Salut,
> 
> Creez un device de tip FILE_DEVICE_DISK si folosesc DO_DIRECT_IO. In
> rutinele de read si write copiez date in/din buffer mapat cu
> MmGetSystemAddressForMdlSafe(irp->MdlAddress, NormalPagePriority).
> 
> Rulez suita de test, trec toate testele. Rulez din nou, primesc BSOD.
> 
> Nu imi este f. clar mecanismul de folosire al
> MmGetSystemAddressForMdlSafe. 

E OK modul de folosire. Poate nu dealoci ceva sau nu stergi cum trebuie
dispozitivul?

Razvan




More information about the pso mailing list