https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287904
Bug ID: 287904
Summary: Most recent installer fails to flush pre-existing GPT
labels
Product: Base System
Version: 15.0-CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: misc
Assignee: [email protected]
Reporter: [email protected]
Boot and install with the 26 June 2025 snapshot for disk1.iso and
create a typical ZFS mirror using (BIOS+UEFI) option.
When the time comes for a reboot into the newly installed system
we see :
GEOM_MIRROR: Device mirror/efiboot launched (2/2).
GEOM_MIRROR: Device mirror/swap launched (2/2).
Root mount waiting for: usbus0
uhub5: 4 ports with 4 removable, self powered
ugen0.3: <Generic USB2.0-CRW> at usbus0
Root mount waiting for: usbus0
ugen0.4: <VIA Labs, Inc. USB Hub> at usbus0
uhub6 numa-domain 0 on uhub2
uhub6: <VIA Labs, Inc. USB Hub, class 9/0, rev 3.00/53.55, addr 3> on usbus0
Root mount waiting for: usbus0
uhub6: 4 ports with 4 removable, self powered
Setting hostuuid: 24cb90f5-4f5d-e511-9f83-6c0b840c5fc6.
Setting hostid: 0xe4e141e6.
Starting file system checks:
Can't open `/dev/gpt/efiboot0'
/dev/gpt/efiboot0: UNEXPECTED INCONSISTENCY; RUN fsck_msdosfs MANUALLY.
THE FOLLOWING FILE SYSTEM HAD AN UNEXPECTED INCONSISTENCY:
msdosfs: /dev/gpt/efiboot0 (/boot/efi)
Automatic file system check failed; help!
ERROR: ABORTING BOOT (sending SIGTERM to parent)!
2025-06-29T17:37:37.274779+00:00 - init 1 - - /bin/sh on /etc/rc terminated
abnormally, going to single user mode
Enter root password, or ^D to go multi-user
Password:
Enter full pathname of shell or RETURN for /bin/sh:
root@:/ #
There are pre-existing GPT labels on the disks :
root@:/ # gpart show -l /dev/ada0
=> 40 488390552 ada0 GPT (233G)
40 532480 1 efiboot0 (260M)
532520 1024 2 gptboot0 (512K)
533544 984 - free - (492K)
534528 33554432 3 swap0 (16G)
34088960 454299648 4 zfs0 (217G)
488388608 1984 - free - (992K)
root@:/ # gpart show -l /dev/ada1
=> 40 488390552 ada1 GPT (233G)
40 532480 1 efiboot1 (260M)
532520 1024 2 gptboot1 (512K)
533544 984 - free - (492K)
534528 33554432 3 swap1 (16G)
34088960 454299648 4 zfs1 (217G)
488388608 1984 - free - (992K)
root@:/ # uname -a
FreeBSD 15.0-CURRENT FreeBSD 15.0-CURRENT #0 main-n278235-dca2ab32e831: Thu
Jun 26 04:58:09 UTC 2025
[email protected]:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64
Looks like the installer failed to gpart destroy -F the disks ?
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