[Public] > From: Tom Rini <[email protected]> > Sent: Monday, February 16, 2026 9:03 PM > To: Begari, Padmarao <[email protected]> > Cc: [email protected]; Simek, Michal <[email protected]>; git (AMD- > Xilinx) <[email protected]>; Toomey, John <[email protected]>; Quentin Schulz > <[email protected]>; Rasmus Villemoes <[email protected]> > Subject: Re: [RFC PATCH] cmd: part: add dupcheck command to detect duplicate > PARTUUIDs > > On Sun, Feb 15, 2026 at 06:40:47PM +0530, Padmarao Begari wrote: > > > Add a 'part dupcheck' subcommand (gated by CONFIG_PARTITION_UUIDS) > > that scans all block devices for duplicate partition UUIDs. This helps > > detect situations where the same disk image has been flashed to > > multiple boot devices (e.g., USB stick and UFS), which can lead to > > unpredictable boot behavior when using PARTUUID-based root filesystem > > specifications. It iterates all block devices using > > blk_foreach_probe() and checks partition UUIDs via part_get_info(). > > > > When duplicates are found, a warning is printed for each occurrence: > > > > Warning: duplicate PARTUUID 20c5fba5-0171-457f-b9cd-f5129cd07228 > > first seen on usb_mass_storage.lun0:3 > > also on ufs_scsi.id0lun0:3 > > > > Signed-off-by: John Toomey <[email protected]> > > Signed-off-by: Padmarao Begari <[email protected]> > > --- > > cmd/part.c | 104 > > ++++++++++++++++++++++++++++++++++++++++++++++++++++- > > 1 file changed, 103 insertions(+), 1 deletion(-) > > I see this as useful, but I think it needs to be its own Kconfig symbol. > This is going to be enabled on something like 1100 boards today, if only > gating on > CONFIG_PARTITION_UUIDS. Thanks.
Ok Tom got it, will guard it with own Kconfig symbol. Regards Padmarao > > -- > Tom
