Re: Unreliable GPT detection

[Martin Husemann <martin%duskware.de@localhost>]

On Tue, Feb 11, 2025 at 02:27:54PM +0100, Tom Ivar Helbekkmo wrote:
> [Sat Feb  8 20:01:30 CET 2025] umass0 at uhub5 port 4 configuration 1 interface 0
> [Sat Feb  8 20:01:30 CET 2025] umass0: Western Digital (0x1058) Elements SE 25FE (0x25fe), rev 2.10/10.19, addr 4
> [Sat Feb  8 20:01:30 CET 2025] umass0: using SCSI over Bulk-Only
> [Sat Feb  8 20:01:30 CET 2025] scsibus0 at umass0: 2 targets, 2 luns per target
> [Sat Feb  8 20:01:30 CET 2025] sd0 at scsibus0 target 0 lun 0: <WD, Elements SE 25FE, 1019> disk fixed
> [Sat Feb  8 20:01:30 CET 2025] sd0(umass0:0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
> [Sat Feb  8 20:01:30 CET 2025]     SENSE KEY:  Not Ready
> [Sat Feb  8 20:01:30 CET 2025]      ASC/ASCQ:  Logical Unit Is In Process Of Becoming Ready
> [Sat Feb  8 20:01:31 CET 2025] sd0(umass0:0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
> [Sat Feb  8 20:01:31 CET 2025]     SENSE KEY:  Not Ready
> [Sat Feb  8 20:01:31 CET 2025]      ASC/ASCQ:  Logical Unit Is In Process Of Becoming Ready
> [Sat Feb  8 20:01:32 CET 2025] sd0(umass0:0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
> [Sat Feb  8 20:01:32 CET 2025]     SENSE KEY:  Not Ready
> [Sat Feb  8 20:01:32 CET 2025]      ASC/ASCQ:  Logical Unit Is In Process Of Becoming Ready
> [Sat Feb  8 20:01:33 CET 2025] sd0: fabricating a geometry
> [Sat Feb  8 20:01:33 CET 2025] sd0: 931 GB, 953837 cyl, 64 head, 32 sec, 512 bytes/sect x 1953458176 sectors
> [Sat Feb  8 20:01:33 CET 2025] sd0: fabricating a geometry
> [Sat Feb  8 20:01:33 CET 2025] sd0: GPT GUID: 33c631e7-ad51-4fe3-9071-80c9ca4e7770
> [Sat Feb  8 20:01:33 CET 2025] dk0 at sd0: "Elements SE", 1953454080 blocks at 2048, type: ffs
> [Sat Feb  8 20:01:33 CET 2025] uk0 at scsibus0 target 0 lun 1: <WD, SES Device, 1019> enclosure services fixed

This has been recently discussed in a thread starting here:

https://mail-index.netbsd.org/netbsd-users/2025/01/24/msg032226.html

No good solution so far.

Martin