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Bug#1132176: rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0

Started byJohn Wong <johnw.mail@gmail.com>
First post2026-03-29 06:40 +0200
Last post2026-03-30 16:40 +0200
Articles 4 — 4 participants

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  Bug#1132176: rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0 John Wong <johnw.mail@gmail.com> - 2026-03-29 06:40 +0200
    Bug#1132176: Acknowledgement (rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0) John WONG <johnw.mail@gmail.com> - 2026-03-29 07:10 +0200
    Processed: Re: Bug#1132176: rpc.mountd: symbol lookup error:  rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-03-30 16:40 +0200
    Bug#1132176: rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0 Ben Hutchings <ben@decadent.org.uk> - 2026-03-30 16:40 +0200

#91845 — Bug#1132176: rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0

FromJohn Wong <johnw.mail@gmail.com>
Date2026-03-29 06:40 +0200
SubjectBug#1132176: rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
Message-ID<MDQ6l-b5up-5@gated-at.bofh.it>
Package: nfs-kernel-server
Version: 1:2.8.7-1
Severity: important

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   Can not start the nfs-server .

   × nfs-mountd.service - NFS Mount Daemon
     Loaded: loaded (/usr/lib/systemd/system/nfs-mountd.service; static)
     Active: failed (Result: exit-code) since Sun 2026-03-29 12:23:49 HKT; 4min 19s ago
 Invocation: ca62fbfe41f84e7eacb3e1d3b57bddc2
       Docs: man:rpc.mountd(8)
    Process: 12343 ExecStart=/usr/sbin/rpc.mountd (code=exited, status=127)
   Mem peak: 2M
        CPU: 6ms

Mar 29 12:23:49 redcat systemd[1]: Starting nfs-mountd.service - NFS Mount Daemon...
Mar 29 12:23:49 redcat rpc.mountd[12343]: /usr/sbin/rpc.mountd: symbol lookup error: /usr/sbin/rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
Mar 29 12:23:49 redcat systemd[1]: nfs-mountd.service: Control process exited, code=exited, status=127/n/a
Mar 29 12:23:49 redcat systemd[1]: nfs-mountd.service: Failed with result 'exit-code'.
Mar 29 12:23:49 redcat systemd[1]: Failed to start nfs-mountd.service - NFS Mount Daemon.


*** End of the template - remove these template lines ***


-- Package-specific info:
-- rpcinfo --
   program vers proto   port  service
    100000    4   tcp    111  portmapper
    100000    3   tcp    111  portmapper
    100000    2   tcp    111  portmapper
    100000    4   udp    111  portmapper
    100000    3   udp    111  portmapper
    100000    2   udp    111  portmapper
    100024    1   udp   4000  status
    100024    1   tcp   4000  status
-- /etc/default/nfs-kernel-server --
RPCNFSDPRIORITY=0
NEED_SVCGSSD=""
-- /etc/nfs.conf --
[general]
pipefs-directory=/run/rpc_pipefs
[nfsrahead]
[exports]
[exportfs]
[gssd]
[lockd]
[exportd]
[mountd]
manage-gids=y
[nfsdcld]
[nfsd]
[statd]
[sm-notify]
[svcgssd]
-- /etc/nfs.conf.d/local.conf --
[mountd]
manage-gids = 1
port = 4002
[statd]
port = 4000
outgoing-port = 4001
[nfsd]
threads = 24
-- /etc/exports --
/misc		10.10.10.0/24(rw,async,no_subtree_check,no_root_squash)
/misc		10.20.10.100/28(rw,async,no_subtree_check,no_root_squash)
/misc		10.30.10.100/28(rw,async,no_subtree_check,no_root_squash)
/ramdisk	10.10.10.0/24(rw,async,no_subtree_check,no_root_squash,fsid=1)
/ramdisk	10.20.10.0/24(rw,async,no_subtree_check,no_root_squash,fsid=1)
/ramdisk	10.30.10.0/24(rw,async,no_subtree_check,no_root_squash,fsid=1)
/netdisk/kvm101	10.20.10.101(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm102	10.20.10.102(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm103	10.20.10.103(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm104	10.20.10.104(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm105	10.20.10.105(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm106	10.20.10.106(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm107	10.20.10.107(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm108	10.20.10.108(rw,async,no_subtree_check,no_root_squash)
/netdisk/kvm109	10.20.10.109(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz101	10.30.10.101(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz102	10.30.10.102(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz103	10.30.10.103(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz104	10.30.10.104(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz105	10.30.10.105(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz106	10.30.10.106(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz107	10.30.10.107(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz108	10.30.10.108(rw,async,no_subtree_check,no_root_squash)
/netdisk/dmz109	10.30.10.109(rw,async,no_subtree_check,no_root_squash)
/mp3		10.10.10.0/24(ro,no_subtree_check)
/mp3		10.20.10.0/24(ro,no_subtree_check)
/mp3		10.30.10.0/24(ro,no_subtree_check)
/netdisk/software 10.10.10.0/24(ro,no_subtree_check)
/netdisk/software 10.20.10.0/24(ro,no_subtree_check)
/netdisk/software 10.30.10.0/24(ro,no_subtree_check)
-- /proc/fs/nfs/exports --
# Version 1.1
# Path Client(Flags) # IPs

-- System Information:
Debian Release: forky/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.19.10+deb14-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages nfs-kernel-server depends on:
ii  keyutils                1.6.3-6+b1
ii  libblkid1               2.41.3-4
ii  libc6                   2.42-14
ii  libcap2                 1:2.75-10+b9
ii  libevent-core-2.1-7t64  2.1.12-stable-10+b2
ii  libnl-3-200             3.12.0-2
ii  libnl-genl-3-200        3.12.0-2
ii  libreadline8t64         8.3-4
ii  libsqlite3-0            3.46.1-9+b1
ii  libtirpc3t64            1.3.7-0.1
ii  libuuid1                2.41.3-4
ii  libwrap0                7.6.q-36+b2
ii  libxml2-16              2.15.2+dfsg-0.1
ii  netbase                 6.5
ii  nfs-common              1:2.8.7-1
ii  ucf                     3.0053

Versions of packages nfs-kernel-server recommends:
ii  python3       3.13.9-3
ii  python3-yaml  6.0.3-1

Versions of packages nfs-kernel-server suggests:
ii  procps  2:4.0.4-9+b1

-- no debconf information

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#91846 — Bug#1132176: Acknowledgement (rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0)

FromJohn WONG <johnw.mail@gmail.com>
Date2026-03-29 07:10 +0200
SubjectBug#1132176: Acknowledgement (rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0)
Message-ID<MDQzn-b5WU-1@gated-at.bofh.it>
In reply to#91845
Just copy back previously version of /usr/sbin/rpc.mountd can start the nfs server again.

> Debian Bug Tracking System <owner@bugs.debian.org>於2026年3月29日 12:31寫道:
> 
> Thank you for filing a new Bug report with Debian.
> 
> You can follow progress on this Bug here: 1132176: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132176.
> 
> This is an automatically generated reply to let you know your message
> has been received.
> 
> Your message is being forwarded to the package maintainers and other
> interested parties for their attention; they will reply in due course.
> 
> Your message has been sent to the package maintainer(s):
> debian-kernel@lists.debian.org
> 
> If you wish to submit further information on this problem, please
> send it to 1132176@bugs.debian.org.
> 
> Please do not send mail to owner@bugs.debian.org unless you wish
> to report a problem with the Bug-tracking system.
> 
> --
> 1132176: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132176
> Debian Bug Tracking System
> Contact owner@bugs.debian.org with problems

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#91857 — Processed: Re: Bug#1132176: rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0

From"Debian Bug Tracking System" <owner@bugs.debian.org>
Date2026-03-30 16:40 +0200
SubjectProcessed: Re: Bug#1132176: rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
Message-ID<MElWx-bqHM-19@gated-at.bofh.it>
In reply to#91845
Processing control commands:

> reassign -1 src:libtirpc 1.3.7-0.1
Bug #1132176 [nfs-kernel-server] rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
Bug reassigned from package 'nfs-kernel-server' to 'src:libtirpc'.
No longer marked as found in versions nfs-utils/1:2.8.7-1.
Ignoring request to alter fixed versions of bug #1132176 to the same values previously set
Bug #1132176 [src:libtirpc] rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
Marked as found in versions libtirpc/1.3.7-0.1.
> severity -1 serious
Bug #1132176 [src:libtirpc] rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
Severity set to 'serious' from 'important'
> affects -1 nfs-kernel-server
Bug #1132176 [src:libtirpc] rpc.mountd: symbol lookup error: rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
Added indication that 1132176 affects nfs-kernel-server

-- 
1132176: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132176
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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#91858

FromBen Hutchings <ben@decadent.org.uk>
Date2026-03-30 16:40 +0200
Message-ID<MElWx-bqHM-21@gated-at.bofh.it>
In reply to#91845

[Multipart message — attachments visible in raw view] — view raw

Control: reassign -1 src:libtirpc 1.3.7-0.1
Control: severity -1 serious
Control: affects -1 nfs-kernel-server

On Sun, 2026-03-29 at 12:28 +0800, John Wong wrote:
> Package: nfs-kernel-server
> Version: 1:2.8.7-1
> Severity: important
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where appropriate ***
> 
>    * What led up to the situation?
>    Can not start the nfs-server .
> 
>    × nfs-mountd.service - NFS Mount Daemon
>      Loaded: loaded (/usr/lib/systemd/system/nfs-mountd.service; static)
>      Active: failed (Result: exit-code) since Sun 2026-03-29 12:23:49 HKT; 4min 19s ago
>  Invocation: ca62fbfe41f84e7eacb3e1d3b57bddc2
>        Docs: man:rpc.mountd(8)
>     Process: 12343 ExecStart=/usr/sbin/rpc.mountd (code=exited, status=127)
>    Mem peak: 2M
>         CPU: 6ms
> 
> Mar 29 12:23:49 redcat systemd[1]: Starting nfs-mountd.service - NFS Mount Daemon...
> Mar 29 12:23:49 redcat rpc.mountd[12343]: /usr/sbin/rpc.mountd: symbol lookup error: /usr/sbin/rpc.mountd: undefined symbol: rpc_gss_getcred, version TIRPC_0.3.0
> Mar 29 12:23:49 redcat systemd[1]: nfs-mountd.service: Control process exited, code=exited, status=127/n/a
> Mar 29 12:23:49 redcat systemd[1]: nfs-mountd.service: Failed with result 'exit-code'.
> Mar 29 12:23:49 redcat systemd[1]: Failed to start nfs-mountd.service - NFS Mount Daemon.
[...]

This is a regression in libtirpc, which has apparently removed this 
symbol (and many others) without changing its soname.

Ben.

-- 
Ben Hutchings
Life would be so much easier if we could look at the source code.

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