GNU bug report logs -
#47945
4096 Sector bug
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Reported by: Eric Wood <ewood <at> uwo.ca>
Date: Thu, 22 Apr 2021 00:33:01 UTC
Severity: normal
Done: "Brian C. Lane" <bcl <at> redhat.com>
Bug is archived. No further changes may be made.
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On Wed, Apr 21, 2021 at 07:46:50PM -0400, Eric Wood wrote:
> I recently installed Ubuntu on a SSD with logical/physical sector size
> of 4096/4096. Everything works fine; however, just for curiosity I did
> a check on the efi partition 500MB, formatted as FAT32.
>
> I got the following error messages: (See image).
We need an error from parted in order to diagnose problems, or a
stacktrace from libparted if something crashes.
> This does not happen on a usb drive with 512 byte sectors.
>
> Everything looks fine when I check with fsck.fat:
>
> fsck.fat 4.1 (2017-01-24)
> Checking we can access the last sector of the filesystem
> Boot sector contents:
> System ID "mkfs.fat"
> Media byte 0xf8 (hard disk)
> 4096 bytes per logical sector
> 4096 bytes per cluster
> 32 reserved sectors
> First FAT starts at byte 131072 (sector 32)
> 2 FATs, 32 bit entries
> 512000 bytes per FAT (= 125 sectors)
> Root directory start at cluster 2 (arbitrary size)
> Data area starts at byte 1155072 (sector 282)
> 127718 data clusters (523132928 bytes)
> 63 sectors/track, 255 heads
> 2048 hidden sectors
> 128000 sectors total
> Checking for unused clusters.
> Checking free cluster summary.
> /dev/sda1: 11 files, 1997/127718 clusters
>
>
> Here is the output you requested from parted:
>
>
> Model: Unknown (unknown)
> Disk /dev/sda1: 524MB
> Sector size (logical/physical): 4096B/4096B
> Partition Table: loop
> Disk Flags:
>
> Number Start End Size File system Flags
> 1 0.00B 524MB 524MB fat32
>
> Model: Unknown (unknown)
> Disk /dev/sda1: 128000s
> Sector size (logical/physical): 4096B/4096B
> Partition Table: loop
> Disk Flags:
>
> Number Start End Size File system Flags
> 1 0s 127999s 128000s fat32
>
> Model: Unknown (unknown)
> Disk /dev/sda1: 55,197,1
> Sector size (logical/physical): 4096B/4096B
> BIOS cylinder,head,sector geometry: 55,255,9. Each cylinder is 9400kB.
> Partition Table: loop
> Disk Flags:
>
> Thanks!
>
> Eric (Wood)
>
That looks like parted wasn't used to partition the disk, the file
system is starting at sector 0 and the table is 'loop'.
I'm not clear on what you think is wrong with parted.
Brian
--
Brian C. Lane (PST8PDT) - weldr.io - lorax - parted - pykickstart
This bug report was last modified 4 years and 26 days ago.
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