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Groups > linux.debian.kernel > #61879 > unrolled thread

Bug#898060: Stall NFS clients: RPC request reserved 84 but used 272

Started byChristof Koehler <christof.koehler@bccms.uni-bremen.de>
First post2018-08-21 14:20 +0200
Last post2019-02-04 13:50 +0100
Articles 3 — 3 participants

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  Bug#898060: Stall NFS clients: RPC request reserved 84 but used 272 Christof Koehler <christof.koehler@bccms.uni-bremen.de> - 2018-08-21 14:20 +0200
    Bug#898060: Stall NFS clients: RPC request reserved 84 but used 272 MAG4 Piemonte <mag4@aruba.it> - 2018-11-14 14:10 +0100
      Bug#898060: Stall NFS clients: RPC request reserved 84 but used 272 Salvatore Bonaccorso <carnil@debian.org> - 2019-02-04 13:50 +0100

#61879 — Bug#898060: Stall NFS clients: RPC request reserved 84 but used 272

FromChristof Koehler <christof.koehler@bccms.uni-bremen.de>
Date2018-08-21 14:20 +0200
SubjectBug#898060: Stall NFS clients: RPC request reserved 84 but used 272
Message-ID<wpdND-2tQ-1@gated-at.bofh.it>
Hello everybody,

in the thread on the ubuntu tracker someone else pointed out that this
was also observed on fedora 26, see comment 14 in
https://bugzilla.redhat.com/show_bug.cgi?id=1552037

Apparently it was suggested there (comment 14) that forcing NFS vers=4.0
for the mount appears to fix this as far as it can be reliably
reproduced. Note that debian 9 and ubuntu 18.04 apparently default to
vers=4.2.

I will try that next.

Best Regards

Christof

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#62495

FromMAG4 Piemonte <mag4@aruba.it>
Date2018-11-14 14:10 +0100
Message-ID<wU35E-5UA-21@gated-at.bofh.it>
In reply to#61879
Hi, we also confirm the bug with kernel 4.9.0-8-amd64 #1 SMP Debian 
4.9.110-3+deb9u6 (2018-10-08) x86_64 GNU/Linux.
Regards!

Guido

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#63246

FromSalvatore Bonaccorso <carnil@debian.org>
Date2019-02-04 13:50 +0100
Message-ID<xnLRg-13Z-5@gated-at.bofh.it>
In reply to#62495
Hi,

These are possibly related to
https://bugzilla.kernel.org/show_bug.cgi?id=202435 mentioning in
https://bugzilla.kernel.org/show_bug.cgi?id=202435#c3 that upstream
commits 53da6a53e1d4 "nfsd4: catch some false session retries" (may
also need preceding 085def3ade52 "nfsd4: fix cached replies to solo
SEQUENCE compounds") likely fix the issue.

Salvatore

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