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I've been doing some work with various USB drives and have been using Gparted to do so. However, for no apparent reason, gparted no longer starts.

If I open the graphical application, I authenticate with my password and then nothing happens.

If I run sudo gparted. I get:

mount: wrong fs type, bad option, bad superblock on /run/udisks2/inhibit-polkit, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so

When I run dmesg I get:

[ 1225.545050] usb 2-1: new high-speed USB device number 23 using xhci_hcd

[ 1225.568016] usb 2-1: New USB device found, idVendor=0781, idProduct=5583

[ 1225.568027] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3

[ 1225.568033] usb 2-1: Product: Ultra Fit

[ 1225.568038] usb 2-1: Manufacturer: SanDisk

[ 1225.568042] usb 2-1: SerialNumber: 4C531001390502102383

[ 1225.570640] usb-storage 2-1:1.0: USB Mass Storage device detected

[ 1225.572092] scsi8 : usb-storage 2-1:1.0

[ 1226.571712] scsi 8:0:0:0: Direct-Access     SanDisk  Ultra Fit        1.00 PQ: 0 ANSI: 6

[ 1226.572353] sd 8:0:0:0: Attached scsi generic sg1 type 0

[ 1226.574166] sd 8:0:0:0: [sdb] 242614272 512-byte logical blocks: (124 GB/115 GiB)

[ 1226.577102] sd 8:0:0:0: [sdb] Write Protect is off

[ 1226.577115] sd 8:0:0:0: [sdb] Mode Sense: 43 00 00 00

[ 1226.578691] sd 8:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA

[ 1226.596148]  sdb: sdb1

[ 1226.600044] sd 8:0:0:0: [sdb] Attached SCSI removable disk

[ 1226.886103] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)

[ 1237.359985] sdb: detected capacity change from 124218507264 to 0

[ 1251.998948] usb 2-1: USB disconnect, device number 23

I left out the top part because it doesn't contain much, or so I think. What I find curious is that the SanDisk Ultrafit listed here is not actually inserted into any usb drive and hasn't been for a few hours. This was one of the drives I was formatting.

Why is it still showing up here and does this have something to do with this? Should I somehow explicitly unmount it? I've read where Gparted does this in some instances where some part of the file system of a drive is not understood.

How should I proceed to be able to run gparted again?

Thanks!

To troubleshoot, carefully run gparted on a disk known to be working, for example gparted /dev/sda -- just to see if the GUI starts correctly. If that works, close gparted without changing anything.

If the problem is the gparted software, reboot from your favorite Linux bootCD, (or live USB), one that does have a working gparted, and test any questionable drives from there.

But if gparted started correctly on /dev/sda, then the fault is in the USB drive(s). Then, maybe:

1. the USB drive's partition table is corrupt. If the data is important, back it up with gddrescue, then see if gpart can guess where the partitions should be, and proceed accordingly.




2. the table is in some newer format that gparted doesn't know about,



3. there might be no partition table at all, the whole disk might be one file system. In which case try mounting it. The dmesg output seems to suggest that it is mounted.

If U are using VMWorkstation:
I once used Gparted to enlarge my /dev/sda1(Ubuntu 14.04 64),here is what I have done:

1.I download Gparted iso source(SOURCEFORGE)

2.Go to Settings,find CD/DVD(SATA),click on using ISO file and add the iso which U just downloaded;

3.Start the system and KEEP CLICKING F2(check it,mybe different,this one is difficult,U have to do this fast),or click on the green arrow,choose the POWER ON TO BIOS(Recommend);

4.Choose BOOT,and move the CD-ROM drive to the first one,press F10 save and exit;

5.Now wait for a second and U are in Gparted live.(Be careful changing memory:))