From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 186551] New: mkfs.ext4 tries to discard sector beyond the end
of the device
Date: Tue, 01 Nov 2016 17:30:21 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=186551
Bug ID: 186551
Summary: mkfs.ext4 tries to discard sector beyond the end of
the device
Product: File System
Version: 2.5
Kernel Version: 3.10.0-327.36.3.el7.x86_64
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ext4
Assignee: fs_ext4@kernel-bugs.osdl.org
Reporter: tom@vincze.org
Regression: No
800GB Intel P3700 SSD has 195,352,576 4k sectors, but mkfs.ext4 tried to
discard sector 1,530,955,776 that is beyond the end of the device.
# mkfs.ext4 /dev/nvme0n1p1
mke2fs 1.42.9 (28-Dec-2013)
Discarding device blocks: failed - Input/output error
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
48840704 inodes, 195352576 blocks
9767628 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=2344615936
5962 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
[61825.159172] blk_update_request: I/O error, dev nvme0n1, sector 1530955776
# parted /dev/nvme0n1 "unit s" "print"
Model: Unknown (unknown)
Disk /dev/nvme0n1: 195353046s
Sector size (logical/physical): 4096B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 256s 195352831s 195352576s primary
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