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Subject:	Re: smartmontools 7.5-1
To:	cygwin AT cygwin DOT com
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Date:	Tue, 20 May 2025 19:00:37 +0200
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From:	Christian Franke via Cygwin <cygwin AT cygwin DOT com>
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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.

-- 
Regards,
Christian


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