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Old 06-13-2017, 10:01 AM   #1
themohawkninja
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Registered: Jun 2017
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"lsblk" sees flash drive but "fdisk -l" does not


Hello,

I am trying to format my flash drive, but running "sudo fdisk /dev/sdf" returns
Code:
fdisk: unable to seek on /dev/sdf: Invalid argument
"lsblk" returns (in addition to the sda main drive):
Code:
sdf   8:80 1 7.5G 0 disk
-sdf1 8:81 1 7.5G 0 part
"fdisk -l" returns nothing

Some research led to a suggestion to run "ls -l /dev/disk/by-id/usb* | grep sd" which in addition to other "sdX" results, returns:
Code:
lrwxrwxrwx 1 root root 9 Jun 13 10:47 /dev/usb-Generic_Flash_Disk_F0D5D7B5-0:0 -> ../../sdf
lrwxrwxrwx 1 root root 9 Jun 13 10:47 /dev/usb-Generic_Flash_Disk_F0D5D7B5-0:0-part1 -> ../../sdf1
Also, I noticed somebody had suggested "lsmod" and to look for "usb_storage", and an "lsmod | grep usb_storage" returns:
Code:
usb_storage     62062  0
I'm not really sure what to do from here to solve my problem.
 
Old 06-13-2017, 10:23 AM   #2
hydrurga
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Which kernel do you have? 3.4 was known to act in this strange manner with USB drives.

To find out which kernel:

Code:
uname -a
 
Old 06-13-2017, 10:29 AM   #3
themohawkninja
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Quote:
Originally Posted by hydrurga View Post
Which kernel do you have? 3.4 was known to act in this strange manner with USB drives.

To find out which kernel:

Code:
uname -a
I'm guessing 3.13?

uname -a:
Code:
Linux testuser1-RX889A-ABA-a6040n 3.13.0-39-lowlatency #66+7.0trisquel2 SMP PREEMPT Wed Oct 29 17:10:10 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
 
Old 06-13-2017, 10:37 AM   #4
hydrurga
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Yup. Are you able to upgrade that, preferably to a LTS kernel that is not EOL, say 4.4.x or 4.9.x, even 3.16.x? Don't throw away the old one - you'll need a fallback if the new kernel doesn't "take".

https://www.kernel.org/category/releases.html
 
Old 06-13-2017, 12:54 PM   #5
themohawkninja
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Quote:
Originally Posted by hydrurga View Post
Yup. Are you able to upgrade that, preferably to a LTS kernel that is not EOL, say 4.4.x or 4.9.x, even 3.16.x? Don't throw away the old one - you'll need a fallback if the new kernel doesn't "take".

https://www.kernel.org/category/releases.html
I'm not 100% sure if I can upgrade it. My boss told me to just clone the drive (the reason for wanting to wipe the flash drive was due to R/W permissions issues when I tried to copy a tiny Linux client to it) instead f fiddling around with trying to solve the permissions issue.

I'll keep this troubleshooting step in mind for next time though!
 
Old 06-13-2017, 01:42 PM   #6
hydrurga
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Quote:
Originally Posted by themohawkninja View Post
I'm not 100% sure if I can upgrade it. My boss told me to just clone the drive (the reason for wanting to wipe the flash drive was due to R/W permissions issues when I tried to copy a tiny Linux client to it) instead f fiddling around with trying to solve the permissions issue.

I'll keep this troubleshooting step in mind for next time though!
Ok. Welcome to LQ by the way.
 
  


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