Christoper, I filed the bug. Anyway I made a mistake. I took the output from lshw where scsi@6 was not populated and I took for granted, that ata6 equals scsi@6 which isn't the case. Therefore I get the mentioned errors on my boot drive. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1832383
Christoper, I filed the bug. Anyway I made a mistake. I took the output from lshw where scsi@6 was not populated and I took for granted, that ata6 equals scsi@6 which isn't the case. Therefore I get the mentioned errors on my boot drive. /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1832383
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