Re: [PATCH] scsi: sd: add runtime pm to open / release

[Martin K. Petersen]

Alan,

>> [   77.474632] sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result:
>> hostbyte=0x00 driverbyte=0x08 cmd_age=0s
>> [   77.474647] sd 0:0:0:0: [sda] tag#0 Sense Key : 0x6 [current]
>> [   77.474655] sd 0:0:0:0: [sda] tag#0 ASC=0x28 ASCQ=0x0
>> [   77.474667] sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 00 00 60
>> 40 00 00 01 00
>
> This error report comes from the SCSI layer, not the block layer.

This the device telling us that the media (SD card?) has changed.

-- 
Martin K. Petersen	Oracle Linux Engineering