[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
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