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Date:	Tue, 20 May 2025 14:53:04 -0400
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Subject:	Re: smartmontools 7.5-1
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On 5/20/2025 1:00 PM, Christian Franke via Cygwin wrote:
> Eliot Moss via Cygwin wrote:
>> On 5/20/2025 9:44 AM, Christian Franke via Cygwin wrote:
>>> Eliot Moss via Cygwin wrote:
>>>> On 5/20/2025 4:50 AM, Christian Franke via Cygwin wrote:
>>>>> Eliot Moss via Cygwin wrote:
>>>>>> On 5/19/2025 9:14 AM, Christian Franke wrote:
>>>>>>> The following package has been uploaded to the Cygwin distribution:
>>>>>>>
>>>>>>> * smartmontools-7.5-1
>>>>>>
>>>>>> Thank you for this!  It works fine on an attached HDD, but with my built-in
>>>>>> NVMe, I get this, in response to /usr/sbin/smartctl -r ioctl,2 -i /dev/sda
>>>>>>
>>>>>> smartctl 7.5 2025-04-30 r5714 [x86_64-pc-cygwin-w11-24H2] (cygwin-7.5-1)
>>>>>> Copyright (C) 2002-25, Bruce Allen, Christian Franke, www.smartmontools.org
>>>>>>
>>>>>>  \\.\PhysicalDrive0: successfully opened
>>>>>>   IOCTL_STORAGE_QUERY_PROPERTY returns:
>>>>>>     Vendor:   "NVMe"
>>>>>>     Product:  "KXG80ZN84T09 NVMe KIOXIA 4096GB"
>>>>>>     Revision: "11304103"
>>>>>>     Removable: No
>>>>>>     BusType:   0x11
>>>>>>   \\.\PhysicalDrive0: successfully opened
>>>>>>  [NVMe call: opcode=0x06, size=0x1000, nsid=0x00000000, cdw10=0x00000001]
>>>>>>   [STORAGE_QUERY_PROPERTY: Id=49, Type=1, Value=0x00000001, SubVal=0x00000000]
>>>>>>   [STORAGE_QUERY_PROPERTY: ReturnData=0x00000000, Reserved[3]={0x0, 0x0, 0x0}]
>>>>>>  [Duration: 0.000109s]
>>>>>>  [NVMe call failed: IOCTL_STORAGE_QUERY_PROPERTY(NVMe) failed, Error=1]
>>>>>> Read NVMe Identify Controller failed: IOCTL_STORAGE_QUERY_PROPERTY(NVMe) failed, Error=1
>>>>>>
>>>>>>
>>>>>
>>>>> Which NVMe driver is used according to devmgmt.msc?
>>>>
>>>> It's the Microsoft system disk driver 10.0.26100.3912 from 6/21/2006,
>>>> at least that's what the devmgmt.msc device manager shows for the drive.
>>>> Is that informative?  :-)
>>
>>> AFAIK this is a generic protocol independent disk driver which sits on top
>>> of the protocol specific drivers.
>>
>>> Is there another driver listed in the "Storage Controller" section? In
>>> particular one with "NVMe" or "Intel RST VMD" in its name?
>>
>> Aha - yes!
>>
>> Intel RST VMD Controller A77F
>> Driver 19.5.1.1040 of 8/25/2022
>>
>> Intel RST VMD Managed Controller 09AB
>> Driver 19.5.1.1040 of 8/25/2022
>>
> 
> Unfortunately Intel RST drivers do not support the vendor independed NVMe pass-through ioctl mentioned before. Its 
> vendor specific variant will possibly be implemented in a future version of smartmontools.

Thank you for the diagnosis!  I'll watch future updates for that enhanced support.

Regards - Eliot

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