Access error on Windows 10, Mount error on Ubuntu

My HDD error.
Error code on Ubuntu 16.04

Error mounting /dev/sdd1 at /media/masa/OS入: Command-line `mount -t “ntfs” -o “uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000” “/dev/sdd1” “/media/masa/OS入”‘ exited with non-zero exit status 13: $MFTMirr does not match $MFT (record 0).
Failed to mount ‘/dev/sdd1’: Input/output error
NTFS is either inconsistent, or there is a hardware fault, or it’s a
SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
then reboot into Windows twice. The usage of the /f parameter is very
important! If the device is a SoftRAID/FakeRAID then first activate
it and mount a different device under the /dev/mapper/ directory, (e.g.
/dev/mapper/nvidia_eahaabcc1). Please see the ‘dmraid’ documentation
for more details.
This site introduce resolve on Ubuntu.

My Hard Disk drive is Hitachi hdt721010sla360

I do #fdisk -l (list the partition table)
—————————————————————————————————————————————————

masa@lve-v:~$ sudo fdisk -l /dev/sdd1
Disk /dev/sdd1: 931.5 GiB, 1000194015744 bytes, 1953503937 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x73736572

Device Boot Start End Sectors Size Id Type
/dev/sdd1p1 1920221984 3736432267 1816210284 866G 72 unknown
/dev/sdd1p2 1936028192 3889681299 1953653108 931.6G 6c unknown
/dev/sdd1p3 0 0 0 0B 0 Empty
/dev/sdd1p4 27722122 27722568 447 223.5K 0 Empty

Partition table entries are not in disk order.

——————————————————————————————————————————————————

masa@lve-v:~$ sudo ntfsfix /dev/sdd1
Mounting volume… $MFTMirr does not match $MFT (record 0).
FAILED
Attempting to correct errors…
Processing $MFT and $MFTMirr…
Reading $MFT… OK
Reading $MFTMirr… OK
Comparing $MFTMirr to $MFT… FAILED
Correcting differences in $MFTMirr record 0…OK
Correcting differences in $MFTMirr record 1…OK
Correcting differences in $MFTMirr record 2…OK
Correcting differences in $MFTMirr record 3…OK
Processing of $MFT and $MFTMirr completed successfully.
Setting required flags on partition… OK
Going to empty the journal ($LogFile)… OK
ntfs_mst_post_read_fixup_warn: magic: 0x00620020 size: 4096 usa_ofs: 101 usa_count: 100: Invalid argument
Actual VCN (0x2e0064006e0075) of index buffer is different from expected VCN (0x3).
Remount failed: Input/output error

——————————————————————————————————————————————————

It failed😪

 

 

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Maintenance of electronic musical instruments

I’m maintaining S3000XL, S900, M-160, Re-201, etc…
I opened S3000XL, S900, M-160 but not Re-201 yet.
Once I tried to open Re-201 and failed, I dropped a parts while I was removing screws and I left it to Official Support Center of Roland.

I’m using this contact cleaner
http://www.sunhayato.co.jp/material2/index.php/item?id=219&cell003=%E3%82%A8%E3%82%A2%E3%82%BE%E3%83%BC%E3%83%AB%E3%83%BB%E5%8C%96%E5%AD%A6%E8%A3%BD%E5%93%81&cell004=%E6%8E%A5%E7%82%B9%E6%B4%97%E6%B5%84%E5%89%A4&name=%E3%83%8B%E3%83%A5%E3%83%BC%E3%83%AA%E3%83%AC%E3%83%BC%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%8A%E3%83%BC%E3%80%80RC-S201

And Kure 5-56…😃

I could remove at least 50 % of contact noise with them!!!

But someday I want to wash print circuits, change some parts of  them like op-amps, power supply cables, etc …

And Re-201 needs demagnetize of heads, cleaning of roller, tape replacement etc…
https://www.muffwiggler.com/forum/viewtopic.php?t=106260

DTM, Digital Audio Instruments Memo

Midi Thru
Quote

“What is a MIDI Thru?
A MIDI thru port provides a copy of the MIDI signal arriving at a corresponding MIDI in port. The data from the MIDI THRU socket can then go forward to the MIDI IN socket of another receiving device. … Software elements involved with routing MIDI data in computers are sometimes called MIDI thru utilities.”
Machine Drum’s Midi machine won’t output signal to Midi Thru.
That’s natural, but able to routing Midi signal from MachineDrum Midi machine to Midi Thru was preferable in my case…

 

Local Control

Midi Sync (Start, Stop, Clock)

Unsolved: Start Pattern of SP303 from MachineDrum

 

Akai s3000XL – Floppy Disk Drive cable replacement.

Normal FC-40P Data Cable replaceable? — Flat cable?

I have also S900, I heard it can use Zip drive.

 

I’m considering connect Mo drive to Akai S3000XL by this cable.
https://www.amazon.co.jp/gp/product/B00008BBJD/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

SCSIケーブル DB25オス-HDB50オス
SCSIシステムケーブル2m、D-sub25pimオス(インチネジ)-ピンタイプハーフ50pinオス

Akai S3000XL archive of official page
http://web.archive.org/web/19970215072604/http://akai.com:80/akaipro/S3000XL.html

My Ubuntu could install Mesa by wine but couldn’t Launch…
http://rst.in-chemnitz.de/Akai/

This site seems funny

I remember, Once I replaced Akai S900 floppy disk drive and EL Back-light.
*Floppy drive
https://www.amazon.co.jp/gp/product/B000ELJ682/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
*Flat cable
https://www.amazon.co.jp/gp/product/B000FG6OBI/ref=od_aui_detailpages00?ie=UTF8&psc=1

Unsolved: How to use NI AUDIO 10 Audio interface on Ubuntu

pavcontrol = PulseAudio Volume Control

Maybe I should configure .asoundrc

Reference here: https://www.native-instruments.com/forum/threads/audio-6-linux-support.136907/

This is for AUDIO 6, not for 10.
And I also have configure for wine.

#.asoundrc

=====================================================

@”test stream w/ sound alsa loopback”  https://www.youtube.com/watch?v=4_dpmES5-Sw
@ http://wikiwiki.jp/tetsuya/?asoundrc

asoundrc = ALSA configure file. Usually at $HOME/.asoundrc
{etc
/usr/share/alsa/alsa.conf
/etc/asound.conf
}

??? Can I check AUDIO10 device from my terminal?
??? How to check my alsa firmware version?

#alsa-lib

*ALIAS
Example

pcm.NAME {
 type hw # Kernel PCM
 card INT/STR # Card name or number
 [device] INT # Device number (default 0)
 [subdevice] INT # Subdevice number, -1 first available (default -1)
 mmap_emulation BOOL # enable mmap emulation for ro/wo devices
}

Source code

https://www.alsa-project.org/main/index.php/Download

Alsa firmware source code ( Now not used, for reference)
ftp://ftp.alsa-project.org/pub/firmware/

https://www.alsa-project.org/main/index.php/Matrix:Vendor-Native_Instruments

http://www.alsa-project.org/~tiwai/alsa.html

#hotplug #firmware #driver #loader #alsa-tools #

Eigenvalue, Eigenvector

GIMP (Gnu Image Manipulation Program) made me wanna know bout Eigenvalue.

Eigenvalue, Eigenvector = Characteristic value, Characteristic vector.

Eigenvalue,CharacteristicValue_IMG_1859

#characteristic_equation #det #determinant #if_and_only_if #characteristic_polynomial #cayley-hamilton_theorem

Characteristic equation = Characteristic polynomial

@Oxford consise dictionary of Mathematics

CAYLEY-HAMILTON Theorem
Characteristic polynomial p(Λ)
p(Λ)=det(A-λI)

p(λ) = (-1**n)(λ**n + bn-1*λ**n-1 + ・・・ + b1λ + b0), (bn is sequence)

A**n+bn-1A**n-1+・・・+b1A+b0I=O