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SubjectRe: [PATCH v4 1/1] nvme: handle persistent internal error AER from NVMe controller
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On 6/8/22 17:22, Chaitanya Kulkarni wrote:
> On 6/8/22 11:52, Michael Kelley wrote:
>> In the NVM Express Revision 1.4 spec, Figure 145 describes possible
>> values for an AER with event type "Error" (value 000b). For a
>> Persistent Internal Error (value 03h), the host should perform a
>> controller reset.
>>
>> Add support for this error using code that already exists for
>> doing a controller reset. As part of this support, introduce
>> two utility functions for parsing the AER type and subtype.
>>
>> This new support was tested in a lab environment where we can
>> generate the persistent internal error on demand, and observe
>> both the Linux side and NVMe controller side to see that the
>> controller reset has been done.
>>
>>

Can you please clarify that which transports you have tested
such as RDMA, TCP, and PCIe ?

-ck


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