** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Kleber Sacilotto de Souza (kleber-souza)
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https://bugs.launchpad.net/bugs/2060037
Title:
nfs logging causes unstable system: kernel: xs_tcp_setup_socket:
connect returned unhandled error -1
Status in linux package in Ubuntu:
New
Bug description:
We hit an issue when a nfs server is unreachable and clients keep
reconnecting to it causes syslog and kern.log files to be flooded with
errors like:
kernel: xs_tcp_setup_socket: connect returned unhandled error -1
Approx 30.000 errors / second. This causes disk space to grow rapidly
and fill the disk in a matter of minutes. Only solution appears to be
to reboot the nfs servers.
Nfs server is running longhorn 1.5.3 and client mounts options look
like:
... type nfs4
(rw,relatime,vers=4.1,rsize=1048576,wsize=1048576,namlen=255,softerr,softreval,noresvport,proto=tcp,timeo=600,retrans=5,sec=sys,clientaddr=10.125.92.24,local_lock=none,addr=10.43.81.150)
We did not experience this issue before longhorn introduced "soft" nfs
options.
We have a SUSE/Longhorn support ticket (01053865) for this and they suggested
us to report this here.
References/Possibly related to:
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy/commit/?h=Ubuntu-5.15.0-91.101&id=98f930fb6b46b128b72f5635925ec97f2f875d72
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# cat /proc/version_signature
Ubuntu 5.15.0-101.111-generic 5.15.143
# lsb_release -rd
Description: Ubuntu 22.04.4 LTS
Release: 22.04
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