Usb stick (sandisk) not visible in ubuntu 19.04
by ANUPAM MITRA from LinuxQuestions.org on (#4RY8F)
My OS is UBUNTU 19.04 64 bit. Till yesterday Sandisk 32 GB USB Stick was working fine. But now I don't see my drive. However, other drives are working.
This is what I get with dmesg | grep -i usb
Code:anupam@anupam-ubuntu:~$ dmesg | grep -i usb
[ 0.188745] ACPI: bus type USB registered
[ 0.188745] usbcore: registered new interface driver usbfs
[ 0.188745] usbcore: registered new interface driver hub
[ 0.188745] usbcore: registered new device driver usb
[ 0.725151] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.725165] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.725174] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.725330] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
[ 0.726530] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.00
[ 0.726531] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.726532] usb usb1: Product: xHCI Host Controller
[ 0.726533] usb usb1: Manufacturer: Linux 5.0.0-31-generic xhci-hcd
[ 0.726533] usb usb1: SerialNumber: 0000:00:14.0
[ 0.726612] hub 1-0:1.0: USB hub found
[ 0.727732] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
[ 0.727733] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed
[ 0.727753] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.00
[ 0.727754] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.727754] usb usb2: Product: xHCI Host Controller
[ 0.727755] usb usb2: Manufacturer: Linux 5.0.0-31-generic xhci-hcd
[ 0.727755] usb usb2: SerialNumber: 0000:00:14.0
[ 0.727823] hub 2-0:1.0: USB hub found
[ 1.061515] usb 1-3: new low-speed USB device number 2 using xhci_hcd
[ 1.214107] usb 1-3: New USB device found, idVendor=046d, idProduct=c077, bcdDevice=72.00
[ 1.214108] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.214109] usb 1-3: Product: USB Optical Mouse
[ 1.214109] usb 1-3: Manufacturer: Logitech
[ 1.341551] usb 1-4: new low-speed USB device number 3 using xhci_hcd
[ 1.500527] usb 1-4: New USB device found, idVendor=04d9, idProduct=1203, bcdDevice= 2.80
[ 1.500532] usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.629606] usb 1-9: new high-speed USB device number 4 using xhci_hcd
[ 1.778640] usb 1-9: New USB device found, idVendor=0781, idProduct=5580, bcdDevice= 0.10
[ 1.778641] usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1.778642] usb 1-9: Product: Extreme
[ 1.778643] usb 1-9: Manufacturer: SanDisk
[ 1.778643] usb 1-9: SerialNumber: AA010221141817490159
[ 1.784114] usb-storage 1-9:1.0: USB Mass Storage device detected
[ 1.784183] scsi host4: usb-storage 1-9:1.0
[ 1.784235] usbcore: registered new interface driver usb-storage
[ 1.784930] usbcore: registered new interface driver uas
[ 1.804282] usbcore: registered new interface driver usbhid
[ 1.804284] usbhid: USB HID core driver
[ 1.805841] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/0003:046D:C077.0001/input/input3
[ 1.805918] hid-generic 0003:046D:C077.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:14.0-3/input0
[ 1.806013] input: HID 04d9:1203 as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:04D9:1203.0002/input/input4
[ 1.865699] hid-generic 0003:04D9:1203.0002: input,hidraw1: USB HID v1.11 Keyboard [HID 04d9:1203] on usb-0000:00:14.0-4/input0
[ 1.865800] input: HID 04d9:1203 System Control as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:04D9:1203.0003/input/input5
[ 1.925867] input: HID 04d9:1203 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:04D9:1203.0003/input/input6
[ 1.925917] hid-generic 0003:04D9:1203.0003: input,hidraw2: USB HID v1.11 Device [HID 04d9:1203] on usb-0000:00:14.0-4/input1
[ 21.004092] audit: type=1400 audit(1570359134.751:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/ippusbxd" pid=931 comm="apparmor_parser"
[ 1501.687886] usb 1-9: USB disconnect, device number 4
[ 1576.640735] usb 1-9: new high-speed USB device number 5 using xhci_hcd
[ 1576.789648] usb 1-9: New USB device found, idVendor=0781, idProduct=5580, bcdDevice= 0.10
[ 1576.789653] usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1576.789656] usb 1-9: Product: Extreme
[ 1576.789659] usb 1-9: Manufacturer: SanDisk
[ 1576.789662] usb 1-9: SerialNumber: AA010221141817490159
[ 1576.791089] usb-storage 1-9:1.0: USB Mass Storage device detected
[ 1576.791388] scsi host4: usb-storage 1-9:1.0This is what I get with lsusb
Code:anupam@anupam-ubuntu:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0781:5580 SanDisk Corp. SDCZ80 Flash Drive
Bus 001 Device 003: ID 04d9:1203 Holtek Semiconductor, Inc. Keyboard
Bus 001 Device 002: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubAnd this is what I get with lsblk
Code:anupam@anupam-ubuntu:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 149.9M 1 loop /snap/gnome-3-28-1804/67
loop1 7:1 0 90.7M 1 loop /snap/writefull/5
loop2 7:2 0 31.6M 1 loop /snap/java-jre-ondra/6
loop3 7:3 0 101.5M 1 loop /snap/p7zip-desktop/220
loop4 7:4 0 95.1M 1 loop /snap/telegram-desktop/981
loop5 7:5 0 8.4M 1 loop /snap/canonical-livepatch/81
loop6 7:6 0 4M 1 loop /snap/gnome-calculator/406
loop7 7:7 0 24.1M 1 loop /snap/gnome-calendar/97
loop8 7:8 0 202.3M 1 loop /snap/vlc/770
loop9 7:9 0 140.7M 1 loop /snap/gnome-3-26-1604/92
loop10 7:10 0 3.7M 1 loop /snap/gnome-system-monitor/95
loop11 7:11 0 88.7M 1 loop /snap/core/7396
loop12 7:12 0 50.7M 1 loop /snap/p7zip-desktop/163
loop13 7:13 0 149.9M 1 loop /snap/gnome-3-28-1804/71
loop14 7:14 0 76.5M 1 loop /snap/youtube-dl-bdmurray/4
loop15 7:15 0 132K 1 loop /snap/gtk2-common-themes/5
loop16 7:16 0 4.2M 1 loop /snap/gnome-calculator/501
loop17 7:17 0 956K 1 loop /snap/gnome-logs/81
loop18 7:18 0 14.8M 1 loop /snap/gnome-characters/317
loop19 7:19 0 202.9M 1 loop /snap/vlc/1049
loop20 7:20 0 94.8M 1 loop /snap/telegram-desktop/953
loop21 7:21 0 8.4M 1 loop /snap/canonical-livepatch/77
loop22 7:22 0 54.4M 1 loop /snap/core18/1144
loop23 7:23 0 3.7M 1 loop /snap/gnome-system-monitor/100
loop24 7:24 0 54.5M 1 loop /snap/core18/1192
loop25 7:25 0 140.7M 1 loop /snap/gnome-3-26-1604/90
loop26 7:26 0 14.8M 1 loop /snap/gnome-characters/296
loop27 7:27 0 35.3M 1 loop /snap/gtk-common-themes/1198
loop28 7:28 0 17.9M 1 loop /snap/pdftk-smoser/18
loop29 7:29 0 42.8M 1 loop /snap/gtk-common-themes/1313
loop30 7:30 0 17.9M 1 loop /snap/pdftk-smoser/14
loop31 7:31 0 89M 1 loop /snap/core/7713
loop32 7:32 0 132K 1 loop /snap/gtk2-common-themes/4
loop33 7:33 0 956K 1 loop /snap/gnome-logs/73
loop34 7:34 0 24.1M 1 loop /snap/gnome-calendar/89
sda 8:0 0 931.5G 0 disk
a"a"sda1 8:1 0 512M 0 part /boot/efi
a"a"sda2 8:2 0 923.1G 0 part /
a""a"sda3 8:3 0 7.9G 0 part [SWAP]
sdb 8:16 0 149.1G 0 disk
a"a"sdb1 8:17 0 1G 0 part
a""a"sdb2 8:18 0 148.1G 0 part
a"a"fedora-swap 253:0 0 7.8G 0 lvm
a"a"fedora-home 253:1 0 90.2G 0 lvm
a""a"fedora-root 253:2 0 50G 0 lvm
sdc 8:32 0 29.2G 0 disk
a""a"sdc1 8:33 0 29.2G 0 part /media/stick
sr0 11:0 1 1024M 0 romResult for sudo fdisk -l
Code:anupam@anupam-ubuntu:~$ sudo fdisk -l
[sudo] password for anupam:
Disk /dev/loop0: 149.9 MiB, 157184000 bytes, 307000 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
Disk /dev/loop1: 90.7 MiB, 95129600 bytes, 185800 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
Disk /dev/loop2: 31.6 MiB, 33120256 bytes, 64688 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
Disk /dev/loop3: 101.5 MiB, 106397696 bytes, 207808 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
Disk /dev/loop4: 95.1 MiB, 99680256 bytes, 194688 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
Disk /dev/loop5: 8.4 MiB, 8839168 bytes, 17264 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
Disk /dev/loop6: 4 MiB, 4218880 bytes, 8240 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
Disk /dev/loop7: 24.1 MiB, 25243648 bytes, 49304 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
Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: ST1000DM003-1SB1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 564FFFDF-3497-4CBA-A4D5-0046F3F8A06A
Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M EFI System
/dev/sda2 1050624 1936984063 1935933440 923.1G Linux filesystem
/dev/sda3 1936984064 1953523711 16539648 7.9G Linux swap
Disk /dev/sdb: 149.1 GiB, 160041885696 bytes, 312581808 sectors
Disk model: ST3160211AS
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: 0x8851d458
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 2099199 2097152 1G 83 Linux
/dev/sdb2 2099200 312580095 310480896 148.1G 8e Linux LVM
Disk /dev/loop8: 202.3 MiB, 212099072 bytes, 414256 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
Disk /dev/loop9: 140.7 MiB, 147501056 bytes, 288088 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
Disk /dev/loop10: 3.7 MiB, 3825664 bytes, 7472 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
Disk /dev/loop11: 88.7 MiB, 92983296 bytes, 181608 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
Disk /dev/loop12: 50.7 MiB, 53182464 bytes, 103872 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
Disk /dev/loop13: 149.9 MiB, 157192192 bytes, 307016 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
Disk /dev/loop14: 76.5 MiB, 80162816 bytes, 156568 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
Disk /dev/loop15: 132 KiB, 135168 bytes, 264 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
Disk /dev/loop16: 4.2 MiB, 4403200 bytes, 8600 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
Disk /dev/loop17: 956 KiB, 978944 bytes, 1912 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
Disk /dev/loop18: 14.8 MiB, 15462400 bytes, 30200 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
Disk /dev/loop19: 202.9 MiB, 212713472 bytes, 415456 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
Disk /dev/loop20: 94.8 MiB, 99368960 bytes, 194080 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
Disk /dev/loop21: 8.4 MiB, 8835072 bytes, 17256 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
Disk /dev/loop22: 54.4 MiB, 57065472 bytes, 111456 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
Disk /dev/loop23: 3.7 MiB, 3825664 bytes, 7472 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
Disk /dev/loop24: 54.5 MiB, 57139200 bytes, 111600 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
Disk /dev/loop25: 140.7 MiB, 147501056 bytes, 288088 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
Disk /dev/loop26: 14.8 MiB, 15462400 bytes, 30200 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
Disk /dev/loop27: 35.3 MiB, 37027840 bytes, 72320 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
Disk /dev/loop28: 17.9 MiB, 18706432 bytes, 36536 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
Disk /dev/loop29: 42.8 MiB, 44879872 bytes, 87656 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
Disk /dev/loop30: 17.9 MiB, 18706432 bytes, 36536 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
Disk /dev/loop31: 89 MiB, 93327360 bytes, 182280 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
Disk /dev/loop32: 132 KiB, 135168 bytes, 264 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
Disk /dev/loop33: 956 KiB, 978944 bytes, 1912 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
Disk /dev/loop34: 24.1 MiB, 25243648 bytes, 49304 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
Disk /dev/mapper/fedora-swap: 7.8 GiB, 8384413696 bytes, 16375808 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
Disk /dev/mapper/fedora-home: 90.2 GiB, 96892616704 bytes, 189243392 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
Disk /dev/mapper/fedora-root: 50 GiB, 53687091200 bytes, 104857600 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
Disk /dev/sdc: 29.2 GiB, 31376707072 bytes, 61282631 sectors
Disk model: Extreme
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: 0x0d524a35
Device Boot Start End Sectors Size Id Type
/dev/sdc1 * 2048 61280255 61278208 29.2G c W95 FAT32 (LBA)
anupam@anupam-ubuntu:~$Do need your expert opinion as to how should I resolve it.
This is what I get with dmesg | grep -i usb
Code:anupam@anupam-ubuntu:~$ dmesg | grep -i usb
[ 0.188745] ACPI: bus type USB registered
[ 0.188745] usbcore: registered new interface driver usbfs
[ 0.188745] usbcore: registered new interface driver hub
[ 0.188745] usbcore: registered new device driver usb
[ 0.725151] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.725165] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.725174] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.725330] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
[ 0.726530] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.00
[ 0.726531] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.726532] usb usb1: Product: xHCI Host Controller
[ 0.726533] usb usb1: Manufacturer: Linux 5.0.0-31-generic xhci-hcd
[ 0.726533] usb usb1: SerialNumber: 0000:00:14.0
[ 0.726612] hub 1-0:1.0: USB hub found
[ 0.727732] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
[ 0.727733] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed
[ 0.727753] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.00
[ 0.727754] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.727754] usb usb2: Product: xHCI Host Controller
[ 0.727755] usb usb2: Manufacturer: Linux 5.0.0-31-generic xhci-hcd
[ 0.727755] usb usb2: SerialNumber: 0000:00:14.0
[ 0.727823] hub 2-0:1.0: USB hub found
[ 1.061515] usb 1-3: new low-speed USB device number 2 using xhci_hcd
[ 1.214107] usb 1-3: New USB device found, idVendor=046d, idProduct=c077, bcdDevice=72.00
[ 1.214108] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.214109] usb 1-3: Product: USB Optical Mouse
[ 1.214109] usb 1-3: Manufacturer: Logitech
[ 1.341551] usb 1-4: new low-speed USB device number 3 using xhci_hcd
[ 1.500527] usb 1-4: New USB device found, idVendor=04d9, idProduct=1203, bcdDevice= 2.80
[ 1.500532] usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.629606] usb 1-9: new high-speed USB device number 4 using xhci_hcd
[ 1.778640] usb 1-9: New USB device found, idVendor=0781, idProduct=5580, bcdDevice= 0.10
[ 1.778641] usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1.778642] usb 1-9: Product: Extreme
[ 1.778643] usb 1-9: Manufacturer: SanDisk
[ 1.778643] usb 1-9: SerialNumber: AA010221141817490159
[ 1.784114] usb-storage 1-9:1.0: USB Mass Storage device detected
[ 1.784183] scsi host4: usb-storage 1-9:1.0
[ 1.784235] usbcore: registered new interface driver usb-storage
[ 1.784930] usbcore: registered new interface driver uas
[ 1.804282] usbcore: registered new interface driver usbhid
[ 1.804284] usbhid: USB HID core driver
[ 1.805841] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/0003:046D:C077.0001/input/input3
[ 1.805918] hid-generic 0003:046D:C077.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:14.0-3/input0
[ 1.806013] input: HID 04d9:1203 as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:04D9:1203.0002/input/input4
[ 1.865699] hid-generic 0003:04D9:1203.0002: input,hidraw1: USB HID v1.11 Keyboard [HID 04d9:1203] on usb-0000:00:14.0-4/input0
[ 1.865800] input: HID 04d9:1203 System Control as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:04D9:1203.0003/input/input5
[ 1.925867] input: HID 04d9:1203 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:04D9:1203.0003/input/input6
[ 1.925917] hid-generic 0003:04D9:1203.0003: input,hidraw2: USB HID v1.11 Device [HID 04d9:1203] on usb-0000:00:14.0-4/input1
[ 21.004092] audit: type=1400 audit(1570359134.751:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/ippusbxd" pid=931 comm="apparmor_parser"
[ 1501.687886] usb 1-9: USB disconnect, device number 4
[ 1576.640735] usb 1-9: new high-speed USB device number 5 using xhci_hcd
[ 1576.789648] usb 1-9: New USB device found, idVendor=0781, idProduct=5580, bcdDevice= 0.10
[ 1576.789653] usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1576.789656] usb 1-9: Product: Extreme
[ 1576.789659] usb 1-9: Manufacturer: SanDisk
[ 1576.789662] usb 1-9: SerialNumber: AA010221141817490159
[ 1576.791089] usb-storage 1-9:1.0: USB Mass Storage device detected
[ 1576.791388] scsi host4: usb-storage 1-9:1.0This is what I get with lsusb
Code:anupam@anupam-ubuntu:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0781:5580 SanDisk Corp. SDCZ80 Flash Drive
Bus 001 Device 003: ID 04d9:1203 Holtek Semiconductor, Inc. Keyboard
Bus 001 Device 002: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubAnd this is what I get with lsblk
Code:anupam@anupam-ubuntu:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 149.9M 1 loop /snap/gnome-3-28-1804/67
loop1 7:1 0 90.7M 1 loop /snap/writefull/5
loop2 7:2 0 31.6M 1 loop /snap/java-jre-ondra/6
loop3 7:3 0 101.5M 1 loop /snap/p7zip-desktop/220
loop4 7:4 0 95.1M 1 loop /snap/telegram-desktop/981
loop5 7:5 0 8.4M 1 loop /snap/canonical-livepatch/81
loop6 7:6 0 4M 1 loop /snap/gnome-calculator/406
loop7 7:7 0 24.1M 1 loop /snap/gnome-calendar/97
loop8 7:8 0 202.3M 1 loop /snap/vlc/770
loop9 7:9 0 140.7M 1 loop /snap/gnome-3-26-1604/92
loop10 7:10 0 3.7M 1 loop /snap/gnome-system-monitor/95
loop11 7:11 0 88.7M 1 loop /snap/core/7396
loop12 7:12 0 50.7M 1 loop /snap/p7zip-desktop/163
loop13 7:13 0 149.9M 1 loop /snap/gnome-3-28-1804/71
loop14 7:14 0 76.5M 1 loop /snap/youtube-dl-bdmurray/4
loop15 7:15 0 132K 1 loop /snap/gtk2-common-themes/5
loop16 7:16 0 4.2M 1 loop /snap/gnome-calculator/501
loop17 7:17 0 956K 1 loop /snap/gnome-logs/81
loop18 7:18 0 14.8M 1 loop /snap/gnome-characters/317
loop19 7:19 0 202.9M 1 loop /snap/vlc/1049
loop20 7:20 0 94.8M 1 loop /snap/telegram-desktop/953
loop21 7:21 0 8.4M 1 loop /snap/canonical-livepatch/77
loop22 7:22 0 54.4M 1 loop /snap/core18/1144
loop23 7:23 0 3.7M 1 loop /snap/gnome-system-monitor/100
loop24 7:24 0 54.5M 1 loop /snap/core18/1192
loop25 7:25 0 140.7M 1 loop /snap/gnome-3-26-1604/90
loop26 7:26 0 14.8M 1 loop /snap/gnome-characters/296
loop27 7:27 0 35.3M 1 loop /snap/gtk-common-themes/1198
loop28 7:28 0 17.9M 1 loop /snap/pdftk-smoser/18
loop29 7:29 0 42.8M 1 loop /snap/gtk-common-themes/1313
loop30 7:30 0 17.9M 1 loop /snap/pdftk-smoser/14
loop31 7:31 0 89M 1 loop /snap/core/7713
loop32 7:32 0 132K 1 loop /snap/gtk2-common-themes/4
loop33 7:33 0 956K 1 loop /snap/gnome-logs/73
loop34 7:34 0 24.1M 1 loop /snap/gnome-calendar/89
sda 8:0 0 931.5G 0 disk
a"a"sda1 8:1 0 512M 0 part /boot/efi
a"a"sda2 8:2 0 923.1G 0 part /
a""a"sda3 8:3 0 7.9G 0 part [SWAP]
sdb 8:16 0 149.1G 0 disk
a"a"sdb1 8:17 0 1G 0 part
a""a"sdb2 8:18 0 148.1G 0 part
a"a"fedora-swap 253:0 0 7.8G 0 lvm
a"a"fedora-home 253:1 0 90.2G 0 lvm
a""a"fedora-root 253:2 0 50G 0 lvm
sdc 8:32 0 29.2G 0 disk
a""a"sdc1 8:33 0 29.2G 0 part /media/stick
sr0 11:0 1 1024M 0 romResult for sudo fdisk -l
Code:anupam@anupam-ubuntu:~$ sudo fdisk -l
[sudo] password for anupam:
Disk /dev/loop0: 149.9 MiB, 157184000 bytes, 307000 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
Disk /dev/loop1: 90.7 MiB, 95129600 bytes, 185800 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
Disk /dev/loop2: 31.6 MiB, 33120256 bytes, 64688 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
Disk /dev/loop3: 101.5 MiB, 106397696 bytes, 207808 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
Disk /dev/loop4: 95.1 MiB, 99680256 bytes, 194688 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
Disk /dev/loop5: 8.4 MiB, 8839168 bytes, 17264 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
Disk /dev/loop6: 4 MiB, 4218880 bytes, 8240 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
Disk /dev/loop7: 24.1 MiB, 25243648 bytes, 49304 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
Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: ST1000DM003-1SB1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 564FFFDF-3497-4CBA-A4D5-0046F3F8A06A
Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M EFI System
/dev/sda2 1050624 1936984063 1935933440 923.1G Linux filesystem
/dev/sda3 1936984064 1953523711 16539648 7.9G Linux swap
Disk /dev/sdb: 149.1 GiB, 160041885696 bytes, 312581808 sectors
Disk model: ST3160211AS
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: 0x8851d458
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 2099199 2097152 1G 83 Linux
/dev/sdb2 2099200 312580095 310480896 148.1G 8e Linux LVM
Disk /dev/loop8: 202.3 MiB, 212099072 bytes, 414256 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
Disk /dev/loop9: 140.7 MiB, 147501056 bytes, 288088 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
Disk /dev/loop10: 3.7 MiB, 3825664 bytes, 7472 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
Disk /dev/loop11: 88.7 MiB, 92983296 bytes, 181608 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
Disk /dev/loop12: 50.7 MiB, 53182464 bytes, 103872 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
Disk /dev/loop13: 149.9 MiB, 157192192 bytes, 307016 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
Disk /dev/loop14: 76.5 MiB, 80162816 bytes, 156568 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
Disk /dev/loop15: 132 KiB, 135168 bytes, 264 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
Disk /dev/loop16: 4.2 MiB, 4403200 bytes, 8600 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
Disk /dev/loop17: 956 KiB, 978944 bytes, 1912 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
Disk /dev/loop18: 14.8 MiB, 15462400 bytes, 30200 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
Disk /dev/loop19: 202.9 MiB, 212713472 bytes, 415456 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
Disk /dev/loop20: 94.8 MiB, 99368960 bytes, 194080 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
Disk /dev/loop21: 8.4 MiB, 8835072 bytes, 17256 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
Disk /dev/loop22: 54.4 MiB, 57065472 bytes, 111456 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
Disk /dev/loop23: 3.7 MiB, 3825664 bytes, 7472 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
Disk /dev/loop24: 54.5 MiB, 57139200 bytes, 111600 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
Disk /dev/loop25: 140.7 MiB, 147501056 bytes, 288088 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
Disk /dev/loop26: 14.8 MiB, 15462400 bytes, 30200 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
Disk /dev/loop27: 35.3 MiB, 37027840 bytes, 72320 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
Disk /dev/loop28: 17.9 MiB, 18706432 bytes, 36536 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
Disk /dev/loop29: 42.8 MiB, 44879872 bytes, 87656 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
Disk /dev/loop30: 17.9 MiB, 18706432 bytes, 36536 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
Disk /dev/loop31: 89 MiB, 93327360 bytes, 182280 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
Disk /dev/loop32: 132 KiB, 135168 bytes, 264 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
Disk /dev/loop33: 956 KiB, 978944 bytes, 1912 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
Disk /dev/loop34: 24.1 MiB, 25243648 bytes, 49304 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
Disk /dev/mapper/fedora-swap: 7.8 GiB, 8384413696 bytes, 16375808 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
Disk /dev/mapper/fedora-home: 90.2 GiB, 96892616704 bytes, 189243392 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
Disk /dev/mapper/fedora-root: 50 GiB, 53687091200 bytes, 104857600 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
Disk /dev/sdc: 29.2 GiB, 31376707072 bytes, 61282631 sectors
Disk model: Extreme
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: 0x0d524a35
Device Boot Start End Sectors Size Id Type
/dev/sdc1 * 2048 61280255 61278208 29.2G c W95 FAT32 (LBA)
anupam@anupam-ubuntu:~$Do need your expert opinion as to how should I resolve it.