* [Bug 114621] New: /etc/fstab: impossible to disable relatime
@ 2016-03-15 12:17 bugzilla-daemon
2016-03-15 15:21 ` [Bug 114621] " bugzilla-daemon
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-03-15 12:17 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=114621
Bug ID: 114621
Summary: /etc/fstab: impossible to disable relatime
Product: File System
Version: 2.5
Kernel Version: 4.1.15-pv
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: ext4
Assignee: fs_ext4@kernel-bugs.osdl.org
Reporter: armin_mohring@web.de
Regression: No
/etc/fstab: no entry relatime.
But the partitions are mounted with option relatime.
But this causes an error in dmesg.
NCQ is disabled for a SSD and a HDD.
----------------------
[ 5.640926] ata2.00: ATA-9: WDC WD4003FZEX-00Z4SA0, 01.01A01, max UDMA/133
[ 5.640931] ata2.00: 7814037168 sectors, multi 16: LBA48 NCQ (depth 31/32),
AA
[ 5.641470] ata2.00: configured for UDMA/133
[ 5.642179] ata3.00: ATAPI: HL-DT-ST BD-RE BH16NS55, 1.01, max UDMA/133
[ 5.642252] ata1.00: supports DRM functions and may not be fully accessible
[ 5.642296] ata1.00: READ LOG DMA EXT failed, trying unqueued
[ 5.642320] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[ 5.642323] ata1.00: ATA-9: Samsung SSD 850 PRO 512GB, EXM01B6Q, max
UDMA/133
[ 5.642326] ata1.00: 1000215216 sectors, multi 1: LBA48 NCQ (depth 31/32),
AA
[ 5.642542] ata1.00: supports DRM functions and may not be fully accessible
[ 5.642580] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[ 5.642632] ata1.00: configured for UDMA/133
-------------------------------------
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* [Bug 114621] /etc/fstab: impossible to disable relatime
2016-03-15 12:17 [Bug 114621] New: /etc/fstab: impossible to disable relatime bugzilla-daemon
@ 2016-03-15 15:21 ` bugzilla-daemon
2016-03-15 17:32 ` bugzilla-daemon
2016-03-15 21:39 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-03-15 15:21 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=114621
Theodore Tso <tytso@mit.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |tytso@mit.edu
Resolution|--- |INVALID
--- Comment #1 from Theodore Tso <tytso@mit.edu> ---
These errors have nothing to do with relatime.
You can control whether the last access time is updated on every single read
(which is a performance disaster, but required by POSIX) using the mount option
strictatime. You can also set the last access time to never be updated using
the mount option noatime. The default, relatime will update atime if it is
more than 24 hours out of date, or if atime < mtime.
None of this has anything to do with the NCQ error, which is coming from the
device, and not the file system.
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* [Bug 114621] /etc/fstab: impossible to disable relatime
2016-03-15 12:17 [Bug 114621] New: /etc/fstab: impossible to disable relatime bugzilla-daemon
2016-03-15 15:21 ` [Bug 114621] " bugzilla-daemon
@ 2016-03-15 17:32 ` bugzilla-daemon
2016-03-15 21:39 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-03-15 17:32 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=114621
Armin Mohring <armin_mohring@web.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|INVALID |---
--- Comment #2 from Armin Mohring <armin_mohring@web.de> ---
I have disabled relatime in fstab.
And this error did not occur.
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* [Bug 114621] /etc/fstab: impossible to disable relatime
2016-03-15 12:17 [Bug 114621] New: /etc/fstab: impossible to disable relatime bugzilla-daemon
2016-03-15 15:21 ` [Bug 114621] " bugzilla-daemon
2016-03-15 17:32 ` bugzilla-daemon
@ 2016-03-15 21:39 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-03-15 21:39 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=114621
Theodore Tso <tytso@mit.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Theodore Tso <tytso@mit.edu> ---
So number one this is a distro kernel, so I suggest you ask the SuSE help desk
for support.
Number 2, I suggest you give exact reproduction details --- e.g., what was in
your fstab before and after. And then try reproducing this on an upstream
kernel if you want support on bugzilla.kernel.org.
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