xorriso format seems not to respect size argument

[carsten . kunze]

Hello,

I have a disk for which dvd+rw-tools report:

$ dvd+rw-mediainfo /dev/sr0
INQUIRY:                [HL-DT-ST][BD-RE  BH10LS30 ][1.00]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         41h, BD-R SRM
 Current Write Speed:   8.0x4495=35964KB/s
 Write Speed #0:        8.0x4495=35964KB/s
 Write Speed #1:        6.0x4495=26973KB/s
 Write Speed #2:        4.0x4495=17982KB/s
 Write Speed #3:        2.0x4495=8991KB/s
GET [CURRENT] PERFORMANCE:
 Write Performance:     4.1x4495=18601KB/s@0 -> 8.0x4495=35964KB/s@5898239
                        8.0x4495=35964KB/s@[5898240 -> 12219391]
 Speed Descriptor#0:    02/12219391 R@10.0x4495=44879KB/s W@8.0x4495=35964KB/s
 Speed Descriptor#1:    02/12219391 R@10.0x4495=44879KB/s W@6.0x4495=26973KB/s
 Speed Descriptor#2:    02/12219391 R@10.0x4495=44879KB/s W@4.0x4495=17982KB/s
 Speed Descriptor#3:    02/12219391 R@10.0x4495=44879KB/s W@2.0x4495=8991KB/s
READ DISC INFORMATION:
 Disc status:           blank
 Number of Sessions:    1
 State of Last Session: empty
 "Next" Track:          1
 Number of Tracks:      1
READ FORMAT CAPACITIES:
 unformatted:        12219392*2048=25025314816
 00h(3000):        11826176*2048=24220008448
 32h(3000):        11826176*2048=24220008448
 32h(25000):        7369728*2048=15093202944
 32h(1000):        12088320*2048=24756879360
READ TRACK INFORMATION[#1]:
 Track State:           invisible incremental
 Track Start Address:   0*2KB
 Next Writable Address: 0*2KB
 Free Blocks:           12219392*2KB
 Track Size:            12219392*2KB
READ CAPACITY:          0*2048=0

and xorriso reports:

$ xorriso -outdev /dev/sr0 -list_formats
xorriso 1.4.6 : RockRidge filesystem manipulator, libburnia project.

Drive current: -outdev '/dev/sr0'
Media current: BD-R sequential recording
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 23.3g free
Drive current: -outdev '/dev/sr0'
Media current: BD-R sequential recording
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 23.3g free
Format status: unformatted, up to 23866.0 MiB
Format idx 0 : 00h , 11826176s , 23098.0 MiB
Format idx 1 : 32h , 11826176s , 23098.0 MiB
Format idx 2 : 32h , 7369728s , 14394.0 MiB
Format idx 3 : 32h , 12088320s , 23610.0 MiB

With the command "xorriso -outdev /dev/sr0 -format by_size_23610m" I get:

$ xorriso -outdev /dev/sr0 -format by_size_23610m
xorriso 1.4.6 : RockRidge filesystem manipulator, libburnia project.

Drive current: -outdev '/dev/sr0'
Media current: BD-R sequential recording
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 23.3g free
Beginning to format medium.
xorriso : UPDATE : Formatting  ( 1.0% done in 1 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 2 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 3 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 4 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 5 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 6 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 7 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 8 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 9 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 10 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 11 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 12 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 13 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 14 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 15 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 16 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 17 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 18 seconds )
xorriso : UPDATE : Formatting  ( 1.0% done in 19 seconds )
Formatting done
xorriso : NOTE : Re-assessing -outdev '/dev/sr0'
Drive current: -outdev '/dev/sr0'
Media current: BD-R sequential recording
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 22.6g free

dvd+rw-tools now report:

$ dvd+rw-mediainfo /dev/sr0
INQUIRY:                [HL-DT-ST][BD-RE  BH10LS30 ][1.00]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         41h, BD-R SRM
 Current Write Speed:   8.0x4495=35964KB/s
 Write Speed #0:        8.0x4495=35964KB/s
 Write Speed #1:        6.0x4495=26973KB/s
 Write Speed #2:        4.0x4495=17982KB/s
 Write Speed #3:        2.0x4495=8991KB/s
GET [CURRENT] PERFORMANCE:
 Write Performance:     4.2x4495=19076KB/s@0 -> 8.0x4495=35964KB/s@5767167
                        8.0x4495=35964KB/s@[5767168 -> 11826175]
 Speed Descriptor#0:    02/0 R@4.2x4495=19076KB/s W@8.0x4495=35964KB/s
 Speed Descriptor#1:    02/0 R@4.2x4495=19076KB/s W@6.0x4495=26973KB/s
 Speed Descriptor#2:    02/0 R@4.2x4495=19076KB/s W@4.0x4495=17982KB/s
 Speed Descriptor#3:    02/0 R@4.2x4495=19076KB/s W@2.0x4495=8991KB/s
READ DISC INFORMATION:
 Disc status:           appendable
 Number of Sessions:    1
 State of Last Session: empty
 "Next" Track:          1
 Number of Tracks:      1
READ TRACK INFORMATION[#1]:
 Track State:           invisible incremental
 Track Start Address:   0*2KB
 Next Writable Address: 0*2KB
 Free Blocks:           11826176*2KB
 Track Size:            11826176*2KB
READ CAPACITY:          0*2048=0

I.e., it did reserve 768MB instead of the desired 256MB.

The tool is from a current OpenSuse Leap 15.2:

$ xorriso --version
xorriso 1.4.6 : RockRidge filesystem manipulator, libburnia project.

xorriso 1.4.6
ISO 9660 Rock Ridge filesystem manipulator and CD/DVD/BD burn program
Copyright (C) 2016, Thomas Schmitt <scdbackup@gmx.net>, libburnia project.
xorriso version   :  1.4.6
Version timestamp :  2016.09.16.133001
Build timestamp   :  -none-given-
libisofs   in use :  1.4.6  (min. 1.4.6)
libjte     in use :  1.0.0  (min. 1.0.0)
libburn    in use :  1.4.6  (min. 1.4.6)
libburn OS adapter:  internal GNU/Linux SG_IO adapter sg-linux
libisoburn in use :  1.4.6  (min. 1.4.6)

--Carsten