[PATCH] nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung PM9B1 256G and 512G

Kanchan Joshi joshi.k at samsung.com
Wed Nov 16 23:13:37 PST 2022


On Wed, Nov 16, 2022 at 06:42:43PM +0100, August Wikerfors wrote:
>On 2022-11-16 18:19, Christoph Hellwig wrote:
>>On Wed, Nov 16, 2022 at 06:17:27PM +0100, August Wikerfors wrote:
>>>The Samsung PM9B1 512G SSD found in some Lenovo Yoga 7 14ARB7 laptop units
>>>reports eui as 0001000200030004 when resuming from s2idle, causing the
>>>device to be removed with this error in dmesg:
>>>
>>>nvme nvme0: identifiers changed for nsid 1
>>
>>What EUI did it report before? Is the identifier stable after
>>multiple resume cycles?
>The original EUI is "002538e621b440e5". Using the patches from [1] and 
>[2] for debugging I consistently get this output on every resume:
>>eui changed from 002538e621b440e5 to 0001000200030004

Can you please share the firmware version of this SSD?


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