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From: Mini UVC UAC on 6 Jul 2010 00:13
Hi, Maxim:
Thanks for your reply.
But would you please give me more details about "storport's port
registration info " ? what is is related with issue?
Thanks again;

"Maxim S. Shatskih" wrote:

> > BTW, if use the scsiport driver, it work ok both 2GB ram and 4GB ram under
> > Win7X64.
>
> Probably the storport's port registration info is not correct?
>
> --
> Maxim S. Shatskih
> Windows DDK MVP
> maxim(a)storagecraft.com
> http://www.storagecraft.com
>
> .
>
From: Mini UVC UAC on 13 Jul 2010 04:14
Hi, Maxim & all:
Anyone meet the same issue?
who can give me some suggestion?

many thanks;

BR
Hardys

"Mini UVC UAC" wrote:

> Hi, Maxim:
> Thanks for your reply.
> But would you please give me more details about "storport's port
> registration info " ? what is is related with issue?
> Thanks again;
>
> "Maxim S. Shatskih" wrote:
>
> > > BTW, if use the scsiport driver, it work ok both 2GB ram and 4GB ram under
> > > Win7X64.
> >
> > Probably the storport's port registration info is not correct?
> >
> > --
> > Maxim S. Shatskih
> > Windows DDK MVP
> > maxim(a)storagecraft.com
> > http://www.storagecraft.com
> >
> > .
> >
From: eagersh on 14 Jul 2010 12:36
On Jul 13, 2:14 am, Mini UVC UAC
<MiniUVC...(a)discussions.microsoft.com> wrote:
> Hi, Maxim & all:
>      Anyone meet the same issue?
>      who can give me some suggestion?
>
> many thanks;
>
> BR
> Hardys
>
> "Mini UVC UAC" wrote:
> > Hi, Maxim:
> >     Thanks for your reply.
> >     But would you please give me more details about "storport's port
> > registration info " ? what is is related with issue?
> >    Thanks again;
>
> > "Maxim S. Shatskih" wrote:
>
> > > >   BTW, if use the scsiport driver, it work ok both 2GB ram and 4GB ram under
> > > > Win7X64.
>
> > > Probably the storport's port registration info is not correct?
>
> > > --
> > > Maxim S. Shatskih
> > > Windows DDK MVP
> > > ma...(a)storagecraft.com
> > >http://www.storagecraft.com
>
> > > .

Do you check a return value of StorPortGetSystemAddress?

Igor Sharovar
From: Mini UVC UAC on 15 Jul 2010 06:37
HI, Eagersh:

Thanks.
Of course, I have checked the result of StorPortGetSystemAddress, it
return STOR_STATUS_SUCCESS;

Anybody has other suggestions?
From: Mini UVC UAC on 16 Jul 2010 02:45
Hi, Scott Noone:

Thanks very much, But I can't understand clearly about the dummy page.
and if so, how to do to fix the issue in my storport driver?

"Scott Noone" wrote:

> Is this on a read operation? Could be dummy pages related:
>
> http://msmvps.com/blogs/kernelmustard/archive/2005/05/04/45721.aspx
>
> The end result is that when you copy data into the user data buffer the
> result may not compare correctly to the original buffer.
>
> -scott
>
> --
> Scott Noone
> Consulting Associate
> OSR Open Systems Resources, Inc.
> http://www.osronline.com
>
>
> "Mini UVC UAC" <MiniUVCUAC(a)discussions.microsoft.com> wrote in message
> news:B04DE4CC-C47B-4475-9CA4-F45035EDC3AB(a)microsoft.com...
> > Hi, All:
> > I'm developing a Storport driver and need get the virtual address of
> > Srb::DataBuffer. I used StorPortGetSystemAddress to get the virtual
> > address.
> > It
> > works well under Win7 x64 with 2GB Ram, but failed under Win7 X64 with 4GB
> > Ram.
> >
> > I used the dbgview to print the data after I copied it into the virtual
> > address, and used BusHound to check the data which our drivers returned.
> > From
> > the dbgview's logfile, driver always return the correct data, but from the
> > BusHound's log info, the data sometimes match with the dbgview's logfile,
> > and
> > sometimes don't match.
> >
> > BTW, if use the scsiport driver, it work ok both 2GB ram and 4GB ram
> > under
> > Win7X64.
> >
> > Anyone can give me some help to solve the issue? BTW: I have to use
> > virtual
> > address to copy data into Srb::DataBuffer because hardware limited. I have
> > to
> > use Storport framework.
> >
> > And I even suspect maybe whether it is the Microsoft stoport class
> > driver's bug ?
> >
> > Thanks
> >
> >
> >
> >
> >
> >
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