Public bug reported:
I'm getting the following symbol lookup error when starting any pytorch
program:
symbol lookup error: /lib/x86_64-linux-gnu/libtorch_cpu.so:
undefined symbol: _ZN4gloo10rendezvous5StoreD2Ev
I'm on Ubuntu 25.10.
ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: libtorch2.6 2.6.0+dfsg-7
ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
Uname: Linux 6.17.0-5-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
Date: Mon Oct 6 10:02:32 2025
InstallationDate: Installed on 2021-07-12 (1547 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210712)
SourcePackage: pytorch
UpgradeStatus: Upgraded to questing on 2025-06-09 (119 days ago)
** Affects: pytorch (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug questing
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https://bugs.launchpad.net/bugs/2126912
Title:
libtorch2.6: undefined symbol: _ZN4gloo10rendezvous5StoreD2Ev
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