Re: kern/59761: dmsetup broken in 10.1 with default GENERIC kernel

["Michael van Elst via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR kern/59761; it has been noted by GNATS.

From: mlelstv%serpens.de@localhost (Michael van Elst)
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/59761: dmsetup broken in 10.1 with default GENERIC kernel
Date: Mon, 17 Nov 2025 01:11:12 -0000 (UTC)

 gnats-admin%NetBSD.org@localhost ("Mike Edwards via gnats") writes:
 
 > Perhaps unusually, I'm using ext2fs here, as it makes it easier to
 > mount the vm on the host if needed (Xen dom0 is currently Linux).
 
 
 Looks like ext2fs does not initialize the rdev field for anything.
 
 -rw-r--r--  1 root  wheel      0 Nov 17 02:08 foo
 crw-r--r--  1 root  wheel   0, 0 Nov 17 02:09 bar
 
 % stat -s foo
 st_dev=4864 st_ino=12 st_mode=0100644 st_nlink=1 st_uid=0 st_gid=0 st_rdev=0 st_size=0 st_atime=1763341722 st_mtime=1763341722 st_ctime=1763341722 st_birthtime=0 st_blksize=1024 st_blocks=0 st_flags=0
 
 % stat -s bar
 st_dev=4864 st_ino=13 st_mode=020644 st_nlink=1 st_uid=0 st_gid=0 st_rdev=0 st_size=0 st_atime=1763341746 st_mtime=1763341746 st_ctime=1763341746 st_birthtime=0 st_blksize=65536 st_blocks=0 st_flags=0