Public bug reported:
If the NFS server reboots, sometimes client servers fail to re-establish
the NFS mount properly. This is using NFS v4.2. The client machine
will hang if I try to do a df when an NFS mount is in this condition.
Attempting to access a file will likewise hang indefinitely. This is a
problem with the stock 5.3.0.x kernel and it is a problem with 5.6
still. I have not tried 5.7 yet. I filed this against nfs-kernel, but
I am not 100% sure it is not nfs-common but there is some sort of
communications not happening between them.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: nfs-kernel-server 1:1.3.4-2.5ubuntu3
Uname: Linux 5.6.0 x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Tue Jun 2 21:34:31 2020
InstallationDate: Installed on 2017-05-27 (1102 days ago)
InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Release amd64 (20170412)
SourcePackage: nfs-utils
UpgradeStatus: Upgraded to focal on 2020-04-26 (38 days ago)
** Affects: nfs-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
** Description changed:
If the NFS server reboots, sometimes client servers fail to re-establish
the NFS mount properly. This is using NFS v4.2. The client machine
will hang if I try to do a df when an NFS mount is in this condition.
Attempting to access a file will likewise hang indefinitely. This is a
problem with the stock 5.3.0.x kernel and it is a problem with 5.6
- still. I have not tried 5.7 yet.
+ still. I have not tried 5.7 yet. I filed this against nfs-kernel, but
+ I am not 100% sure it is not nfs-common but there is some sort of
+ communications not happening between them.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: nfs-kernel-server 1:1.3.4-2.5ubuntu3
Uname: Linux 5.6.0 x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Tue Jun 2 21:34:31 2020
InstallationDate: Installed on 2017-05-27 (1102 days ago)
InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Release amd64 (20170412)
SourcePackage: nfs-utils
UpgradeStatus: Upgraded to focal on 2020-04-26 (38 days ago)
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https://bugs.launchpad.net/bugs/1881847
Title:
If NFS server reboots, client somethings fails to remount the file
system properly
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