Re: Would like some clarification on DATA_OVERRUN and QUEUE_FROZEN conditions

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Peter Wieland [MSFT] (peterwie_at_online.microsoft.com)
Date: 10/07/04 

Date: Thu, 7 Oct 2004 08:07:56 -0700

are you testing status & 0x40 or status == 0x40?

SRB_STATUS_QUEUE_FROZEN is a flag that's set in the SRB status code. It's
not a status code in and of itself.

-p 

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"Robert Stankey" <robert.stankey@lsil.com> wrote in message 
news:prmk87ec7qj8$.1u5fead3r1qoe$.dlg@40tude.net...
> On Wed, 6 Oct 2004 13:54:10 -0700, Peter Wieland [MSFT] wrote:
>
> Okay, here is what I have so far.  I'm still running the test a few times
> but did a '.crash' on the system to get a dump in case there is something
> else to look at.
>
> 0: kd> !devobj 898729d0
> Device object (898729d0) is for:
> 0000001b \Driver\mydriver DriverObject 8a3afe18
> Current Irp 00000000 RefCount 0 Type 0000002d Flags 00000050
> Dacl e1512e0c DevExt 89872a88 DevObjExt 89872b70
> ExtensionFlags (0x00000008)  DOE_REMOVE_PROCESSED
> AttachedTo (Lower) 8985e030 \Driver\ql2300
> Device queue is not busy.
> 0: kd> !devobj 8985e030
> Device object (8985e030) is for:
> ql23001Port0Path0Target1Lun0 \Driver\ql2300 DriverObject 8a3f8e48
> Current Irp 00000000 RefCount 0 Type 00000007 Flags 00001050
> Dacl e1512e0c DevExt 8985e0e8 DevObjExt 8985ed10 Dope 898dbf80 DevNode
> 8986eee8
> ExtensionFlags (0x00000008)  DOE_REMOVE_PROCESSED
> AttachedDevice (Upper) 898729d0 \Driver\mydriver
> DeviceQueue: 89f518d8 89e65228 8a47e640 89d081b0
>      8987a008 89baea08 89c16a20 89d09318
>      8987b9c0 89b9de48 897e4ac0 897fc4f0
>      8983a008 89eb3218 89e064e8 89836e48
>      89bf0980 89874e48 89b972a8 89d098c0
>      8981d9d0 89c17008 89cb6ba0 89e96648
>
> 0: kd> !scsikd.scsiext 8985e030
> Scsiport physical device extension at address 8985e0e8
> Common Extension:
>  Removed RemovePendingWmiInit
>  DO 0x8985e030  LowerObject 0x8a3f83d0  SRB Flags 00000000
>  Current Power (D0,S0)  Desired Power D-1 Idle 0x898dbf80
>  Current PnP state 0x17    Previous state 0x0
>  DispatchTable f72fe200   UsePathCounts (P0, H0, C0)
>  DispatchTable 0x00000000   WmiInfoSize 00000000
> Logical Unit Extension:
>  Address (0, 0, 1, 0) Claimed Missing  Visible
>  LuFlags (0x00000003): LU_QUEUE_FROZEN, LU_LOGICAL_UNIT_IS_ACTIVE
>  Retry 0x00          Key 0x00000000
>  Lock 0x00000000  Pause 0x00000000   CurrentLock: 0x00000000
>  HwLuExt 0x00000000  Adapter 0x8a3f8488  Timeout 0xffffffff
>  NextLun 0x8986c0e8  ReadyLun 0x00000000
>  Pending 0x00000000  Busy 0x00000000     Untagged 0x00000000
>  Q Depth 000 (255)   InquiryData 0x8985e206
>  DeviceMap Keys: Target 00000000   Lun 00000000
>  Bypass SRB_DATA blocks 4 @ 8985e270   List 8985e810
>  RS Irp 89863d68  Srb @ 8985ea0c   MDL @ 8985ea4c
>  Request List @0x8985e1f0 is empty
> 0: kd> !scsikd.scsiext 0x8a3f8488
> Scsiport functional device extension at address 8a3f8488
> Common Extension:
>  Initialized WmiInit
>  DO 0x8a3f83d0  LowerObject 0x8a41e5d0  SRB Flags 00000000
>  Current Power (D0,S0)  Desired Power D-1 Idle 00000000
>  Current PnP state 0x0    Previous state 0xff
>  DispatchTable f72fe280   UsePathCounts (P0, H0, C0)
>  DispatchTable 0x00000000   WmiInfoSize 00000000
> Adapter Extension:
>  Port 0     IsPnp VirtualSlot HasInterrupt
>  LowerPdo 0x8a41e5d0   HwDevExt 0x8a3ef004   Active Requests 0xffffffff
>  MaxBus 0x01   MaxTarget 0x80   MaxLun 0x08
>  Port Flags (0x00001000): PD_DISCONNECT_RUNNING
>  NonCacheExt 0x8a3da000  IoBase 0x00008400   Int 0x1a
>  RealBus# 0x2  RealSlot# 0x7
>  Timeout 0xffffffff   DpcFlags 0x00000000   Sequence 0x00000007
>  Srb Ext Header 0x8a3e3260   No. Requests 0x000000a0
>  QueueTag BitMap 0x00000000   Hint 0x00000000
>  MaxQueueTag 0xfe (@0x8a3f85e8)
>  LuExt Size 0x00000000   SrbExt Size 0x00000030
>    SG List Size - Small 17   Large 0
>    Emergency  - SrbData 0x8a3fa998  Blocked List @0x8a3f8824
>    CommonBuff - Size: 0x00015000    PA: 0x0000000009fda000  VA: 0x8a3da000
>    Ke Objects - Int1: 0x8a463bb0    Int2: 0x00000000        Dma:
> 0x8a47aa60
>    Lookaside  - SrbData @ 0x8a3f87d0 SgList @0x00000000  Remove:
> @0x8a3f84d8
>    Resources  - Raw: 0x8a47a460     Translated: 0x8a4781f8
>    Port Config 8a3f9760
>    DeviceMap Handles: Port 000000bc    Busses e15611f8
>  Interrupt Data @0x8a3f8674:
>    Flags (0x00000000):
>    Ready LUN 0x00000000   Wmi Events 0x00000000
>    Completed Request List (@0x8a3f8678): 0 entries
>    LUN 898570e8 @ (  0,  1,  7) cm v  pnp(00/ff) pow(0 ,0) DevObj 89857030
>    LUN 898650e8 @ (  0,  0,  0) c ev  pnp(00/ff) pow(0 ,0) DevObj 89865030
>    LUN 8985e0e8 @ (  0,  1,  0) cm v  pnp(17/00) pow(0 ,0) DevObj 8985e030
>    LUN 8986c0e8 @ (  0,  0,  1) c ev  pnp(00/ff) pow(0 ,0) DevObj 8986c030
>    LUN 8985d0e8 @ (  0,  1,  1) cm v  pnp(00/ff) pow(0 ,0) DevObj 8985d030
>    LUN 898640e8 @ (  0,  0,  2) c ev  pnp(00/ff) pow(0 ,0) DevObj 89864030
>    LUN 8985c0e8 @ (  0,  1,  2) cm v  pnp(00/ff) pow(0 ,0) DevObj 8985c030
>    LUN 898630e8 @ (  0,  0,  3) c ev  pnp(00/ff) pow(0 ,0) DevObj 89863030
>    LUN 8985b0e8 @ (  0,  1,  3) cm v  pnp(00/ff) pow(0 ,0) DevObj 8985b030
>    LUN 898620e8 @ (  0,  0,  4) c ev  pnp(00/ff) pow(0 ,0) DevObj 89862030
>    LUN 8985a0e8 @ (  0,  1,  4) cm v  pnp(00/ff) pow(0 ,0) DevObj 8985a030
>    LUN 898610e8 @ (  0,  0,  5) c ev  pnp(00/ff) pow(0 ,0) DevObj 89861030
>    LUN 898590e8 @ (  0,  1,  5) cm v  pnp(00/ff) pow(0 ,0) DevObj 89859030
>    LUN 898600e8 @ (  0,  0,  6) c ev  pnp(00/ff) pow(0 ,0) DevObj 89860030
>    LUN 898580e8 @ (  0,  1,  6) cm v  pnp(00/ff) pow(0 ,0) DevObj 89858030
>    LUN 8985f0e8 @ (  0,  0,  7) c ev  pnp(00/ff) pow(0 ,0) DevObj 8985f030
>    LUN 8a3d70e8 @ (  0,127,  0)   ev  pnp(00/ff) pow(0 ,0) DevObj 8a3d7030
>
>
> This shows the queue being frozen.  I would expect these requests to be
> returned with an SrbStatus at least set to 0x40 (QUEUE_FROZEN) and 
> returned
> to mydriver where I'd probably issue a request to release the queue and
> send the request down again.  If the device was gone a SelectionTimeout
> status should be returned in which case I'd error the request.

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