https://bugs.kde.org/show_bug.cgi?id=357465
Bug ID: 357465
Summary: nfs async write causes CPU to spike 100%, plasma to
freeze, incorrect write speed. Sync works however
Product: kio
Version: unspecified
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: nfs
Assignee: [email protected]
Reporter: [email protected]
Using a laptop with wireless connection to router
KDE Plasma Version: 5.5.2
QT Version 5.5.1
Kernel Version: 4.4.0-1-MANJARO
nfs-utils 1.3.3-3
fstab entry: 192.168.1.67:/volume1/share /home/doug/NAS nfs
vers=4,noauto,user,noatime,x-systemd.device-timeout=10,timeo=14,intr,soft 0 0
Hi there,
When copying large files to an nfs4 drive mounted as async the copying
notification plasmoid freezes, cpu maxes out, dolphin freezes, write speed in
the copying notification is incorrect and then disappears.
This can be worked around by mounting as sync in fstab but this has slower read
/ writes. Can the async behaviour be fixed? In other desktop environments
mounting as the default option async is not an issue.
*strangely if it is mounted as async copying files over from the nfs drive to
laptop does not seem to be a problem. Even the copy speed within the copying
notification is correct.
Reproducible: Always
Steps to Reproduce:
1. mount nfs4 drive as async on wireless laptop connection
2. copy large file to nfs drive
3.
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