GNU bug report logs - #34353
GNU Parted 3.2 – A 'loop' as partition table is reported as result from an mkfs.ext4 function

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ricky Tigg <ricky.tigg <at> gmail.com>
Subject: bug#34353: closed (Re: bug#34353: GNU Parted 3.2 –
 A 'loop' as partition table is reported as result from an mkfs.ext4
 function)
Date: Tue, 23 Apr 2019 17:27:02 +0000

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Your bug report

#34353: GNU Parted 3.2 – A 'loop' as partition table is reported as result from an mkfs.ext4 function

which was filed against the parted package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 34353 <at> debbugs.gnu.org.

-- 
34353: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34353
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Phillip Susi <phill <at> thesusis.net>
To: 34353-done <at> debbugs.gnu.org
Subject: Re: bug#34353: GNU Parted 3.2 – A 'loop' as
 partition table is reported as result from an mkfs.ext4 function
Date: Tue, 23 Apr 2019 13:17:11 -0400

That was meant to be to -done.

Phillip Susi writes:

> 'loop' is an intentional pseudo disklabel that means there is no
> partition table.

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From: Ricky Tigg <ricky.tigg <at> gmail.com>
To: bug-parted <at> gnu.org
Subject: GNU Parted 3.2 – A 'loop' as partition table is reported as result from an mkfs.ext4 function
Date: Wed, 6 Feb 2019 22:38:38 +0100

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Hi. Initial situation:

(parted) print
Error: /dev/sdc: unrecognised disk label
Model: Kingston DataTraveler 102 (scsi)
Disk /dev/sdc: 8007MB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Then on purpose I attempted to execute the following command without
creating previously to it a partition table. Its execution shouldn't have
been possible since a partition table is required before partitions can be
added to a device. Though it was executed.

# mkfs.ext4 -FL 'USB' '/dev/sdc'

As result *no partition table* is supposed to be created neither possible
to be created using above mentioned command. However as result of that
execution, *Parted* reports 'Partition Table: loop'. while expected result
would be *none.*

(parted) print
Model: Kingston DataTraveler 102 (scsi)
Disk /dev/sdc: 8007MB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:

Number  Start  End     Size    File system  Flags
 1      0.00B  8007MB  8007MB  ext4

For comparison *Gparted* interpretation – Partition Table: none  with an
*ext4* file system created  – as illustrated in attachment. That is neither
practically possible. Regards.

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[Gparted_iPartition_table_interpretation.png (image/png, attachment)]

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