Re: [vbox-dev] [RESOLVED] vbox bug causing Windows system cache problems?

2011-09-29 Thread Huihong Luo
ode:   Status = IoSynchronousPageWrite (ControlArea->FilePointer,  Mdl, (PLARGE_INTEGER)&StartingOffset, &IoEvent, IoStatus );   Let me know if you need more helps,   Huihong --- On Thu, 9/29/11, Frank Mehnert wrote: From: Frank Mehnert Subject: Re: [vbox-dev] [RESOLVED] vbox bug causing

Re: [vbox-dev] [RESOLVED] vbox bug causing Windows system cache problems?

2011-09-29 Thread Frank Mehnert
Huihong, unfortunately this isn't really a fix. There are two code paths in the HGCM code to share data between guest and host. The VBGLR0_CAN_USE_PHYS_PAGE_LIST flag is set if the guest can use lists of physical pages. If you remove that condition, the old (slower) code is used. This is only a wo

Re: [vbox-dev] [RESOLVED] vbox bug causing Windows system cache problems?

2011-09-29 Thread Huihong Luo
r36201 caused this issue, kind of weird.   VMMDev.cpp   this condition:   && requestHeader.requestType != VMMDevReq_GetHostVersion   After I removed this condition from latest svn code, the cache error no longer displays.   Is there any special call to make from guest addition to ensure the