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link BugCheck 1A, subtype 0x3300 in Windows 10
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  Message 1 of 6  
16 May 17 08:35
jason chen
xxxxxx@gmail.com
Join Date: 12 Apr 2017
Posts To This List: 5
BugCheck 1A, subtype 0x3300 in Windows 10
Hi , I wrote a virtual disk driver (like VHD driver) and it could boot Windows 10 successfully. The VHD file was stored on Ext3 partition which was powered by an Ext2Fsd driver in Win 10. My driver received all incoming I/O requests, translated their LBAs into VHD file offset and called ZwRead/Write on it to completed the IRPs. It worked well, until I try loading 3D mark demo, A BSOD with BugCheck code 1A (subtype 3300) came up. "!analyze -v" in Windbg says it caused by MmprobeAndLockPage call in Ext2 driver when my driver called ZwWrite. However, Windbg give no message on the first args of bugcheck 1A, which is 3300. Do you know what does "3300" mean and how to fix it? 1.The faulting code in Ext2Fsd is listed below: NTSTATUS LockUserBuffer (IN PIRP Irp, IN ULONG Length, IN LOCK_OPERATION Operation) { NTSTATUS Status; ASSERT(Irp != NULL); if (Irp->MdlAddress != NULL) { return STATUS_SUCCESS; } IoAllocateMdl(Irp->UserBuffer, Length, FALSE, FALSE, Irp); if (Irp->MdlAddress == NULL) { return STATUS_INSUFFICIENT_RESOURCES; } __try { MmProbeAndLockPages(Irp->MdlAddress, Irp->RequestorMode, Operation); <-- Status = STATUS_SUCCESS; } __except (EXCEPTION_EXECUTE_HANDLER) { DbgBreak(); IoFreeMdl(Irp->MdlAddress); Irp->MdlAddress = NULL; Status = STATUS_INVALID_USER_BUFFER; } return Status; } 2. Dump Irp->Mdl in windbg 1: kd> dt nt!_MDL ffffe0005f431560 +0x000 Next : (null) +0x008 Size : 0n1072 +0x00a MdlFlags : 0n2 +0x00c AllocationProcessorNumber : 1 +0x00e Reserved : 0xffff +0x010 Process : (null) +0x018 MappedSystemVa : 0xffffe000`5f09aa00 Void +0x020 StartVa : 0xffffd000`25200000 Void +0x028 ByteCount : 0x80000 +0x02c ByteOffset : 0 Thanks!
  Message 2 of 6  
16 May 17 12:32
Jamey Kirby
xxxxxx@gmail.com
Join Date: 31 Dec 2014
Posts To This List: 237
BugCheck 1A, subtype 0x3300 in Windows 10
With little information to go on, it seems you are only testing for two of the three types of buffers. There is direct (mdl), buffer (intermediate buffering), or neither. Also, on the user buffer, before allocating the Mdl, maybe you should ProbeForRead()/ProbeForWrite() Sorry I can't be more helpful. On Tue, May 16, 2017 at 8:35 AM <xxxxx@gmail.com> wrote: > Hi , > I wrote a virtual disk driver (like VHD driver) and it could boot > Windows 10 successfully. The VHD file was stored on Ext3 partition which > was powered by an Ext2Fsd driver in Win 10. > My driver received all incoming I/O requests, translated their LBAs > into VHD file offset and called ZwRead/Write on it to completed the IRPs. > It worked well, until I try loading 3D mark demo, A BSOD with BugCheck code > 1A (subtype 3300) came up. > "!analyze -v" in Windbg says it caused by MmprobeAndLockPage call in > Ext2 driver when my driver called ZwWrite. However, Windbg give no message <...excess quoted lines suppressed...> --
  Message 3 of 6  
16 May 17 16:05
N. W.
xxxxxx@outlook.com
Join Date: 04 May 2017
Posts To This List: 27
BugCheck 1A, subtype 0x3300 in Windows 10
Why don’t you post the « !analyse -v » output. The stack could give an indication of where MM encountered a serious error. W. N.
  Message 4 of 6  
17 May 17 00:37
Slava Imameev
xxxxxx@hotmail.com
Join Date: 13 Sep 2013
Posts To This List: 190
BugCheck 1A, subtype 0x3300 in Windows 10
<QUOTE> Why don?t you post the =AB !analyse -v =BB output. </QUOTE> Why don't Microsoft publish the kernel source code so people stop spending = days on a problem that can be solved in 30 mins by source code browsing.
  Message 5 of 6  
17 May 17 01:33
Jamey Kirby
xxxxxx@gmail.com
Join Date: 31 Dec 2014
Posts To This List: 237
BugCheck 1A, subtype 0x3300 in Windows 10
Are you building a virtual miniport, or a disk class driver? FYI: https://github.com/lmr3796/WRK-1.2 On Wed, May 17, 2017 at 12:38 AM <xxxxx@hotmail.com> wrote: > <QUOTE> > Why don?t you post the ?? !analyse -v ?? output. > </QUOTE> > > Why don't Microsoft publish the kernel source code so people stop spending > days on a problem that can be solved in 30 mins by source code browsing. > > --- > NTDEV is sponsored by OSR > <...excess quoted lines suppressed...> --
  Message 6 of 6  
17 May 17 02:04
Slava Imameev
xxxxxx@hotmail.com
Join Date: 13 Sep 2013
Posts To This List: 190
BugCheck 1A, subtype 0x3300 in Windows 10
<QUOTE> FYI: https://github.com/lmr3796/WRK-1.2 </QUOTE> the old WinSrv 2003 kernel without PnP subsystem sources, you definitely will not find new MM bugchecks the OP asks for and such things as physical pages reverse mapping introduced in Win7
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