joel.bertr...@systella.fr (=?UTF-8?Q?BERTRAND_Jo=c3=abl?=) writes: >[ 148425,692985] dumping to dev 18,1 (offset=3D253015, size=3D4162677): >[ 148425,692985] dump [ 1.0000000] Copyright (c) 1996, 1997, 1998,
My guess is that dump on a raid partition is broken. raid checks the partition to be of type FS_SWAP and redirects the request to the FS_RAID partition of the component. The component driver does the same check and fails. Please try: Index: sys/dev/dksubr.c =================================================================== RCS file: /cvsroot/src/sys/dev/dksubr.c,v retrieving revision 1.117 diff -p -u -r1.117 dksubr.c --- sys/dev/dksubr.c 6 Feb 2025 20:11:46 -0000 1.117 +++ sys/dev/dksubr.c 18 Feb 2025 09:58:56 -0000 @@ -831,7 +831,7 @@ dk_dump(struct dk_softc *dksc, dev_t dev } else { int nsects, sectoff; - if (p->p_fstype != FS_SWAP) { + if (p->p_fstype != FS_SWAP && p->p_fstype != FS_RAID) { DPRINTF(DKDB_DUMP, ("%s: bad fstype %d\n", __func__, p->p_fstype)); return ENXIO;