NFS mount hanging with 5.1.5?
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  1. #1
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    NFS mount hanging with 5.1.5?

    Anyone noticed NFS client instability since 5.1.5-300.fc30? I have a VM that mounts, and does fairly large transfers over an NFS mount to a freenas server.
    At some point the nfs mount hangs and the following starts being reported:

    Jun 05 00:09:22 <host> kernel: nfs: server <nfs server> not responding, still trying

    I see no other messages at all in the either the journal or dmesg that would explain it. All other systems that have that same mount are fine. The NFS server appears to be fine.
    Only solution I've found is to reboot either the NFS server or the client system.

    I'm currently back on 5.0.17-300.fc30 and I haven't seen the problem again. So it does seem to be related to the 5.1.5 update.
    I haven't had a chance to try any more significant debug (rpcdebug etc etc), and plan to sometime this week.
    Hoping someone else maybe is experiencing something similar?

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    Re: NFS mount hanging with 5.1.5?

    Definitely appears to be 5.1.x specific. Dropping down to 5.0.17 and the problem hasn't appeared again. The recent 5.1.6 update has the same poblem. I'll have to do some debugging and open a bugzilla report.

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    Re: NFS mount hanging with 5.1.5?

    Hello wangmaster.

    At this point the kernel is - 5.1.7-300.fc30.x86_64.
    so maybe it will be good to Upgrade the kernel then go back with the kernel.
    Just something to see if that will solve the issue.
    FFedora

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    https://forums.fedoraforum.org/group.php?discussionid=304&do=discuss

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    Re: NFS mount hanging with 5.1.5?

    5.1.7 is still in updates-testing. I don't see anything in the changelog that would suggest that it would have been fixed past 5.1.6 and it's still a problem with 5.1.6. I'm not motivated enough to pull in an updates-testing package yet

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