[Bug 2153433] Re: Ubuntu debuginfod servers do not respond

[Frank Ch. Eigler]

There is a prometheus metric error_count, which has recorded frequent
"database disk image is malformed" sqlite3 errors, starting 2026-04-28.

Deleting the file is painful, if you don't have a backup to start from,
but all the binaries should be reindexed in a week or two at worst.

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https://bugs.launchpad.net/bugs/2153433

Title:
  Ubuntu debuginfod servers do not respond

Status in ubuntu-debuginfod:
  In Progress
Status in elfutils package in Ubuntu:
  Invalid

Bug description:
  This isn't really a bug in elfutils because the issue is with Ubuntu's
  debuginfod servers but I don't know where else to report this bug.

  My DEBUGINFOD_URLS environment variable is pointing at the Ubuntu
  servers:

      $ echo $DEBUGINFOD_URLS
      https://debuginfod.ubuntu.com

  This is the correct URL as documented here:

  https://ubuntu.com/server/docs/how-to/debugging/about-debuginfod/

  However the servers do not respond:

      $ time debuginfod-find debuginfo /usr/bin/ls
      Server query failed: Timer expired
      
      real	6m43.527s
      user	0m0.013s
      sys	0m0.019s

  It appears that the Ubuntu debuginfo servers are down.

      $ wget --spider --tries 1 --timeout 10 'https://debuginfod.ubuntu.com'
      Spider mode enabled. Check if remote file exists.
      --2026-05-20 09:45:05--  https://debuginfod.ubuntu.com/
      Resolving debuginfod.ubuntu.com (debuginfod.ubuntu.com)... 91.189.92.252
      Connecting to debuginfod.ubuntu.com (debuginfod.ubuntu.com)|91.189.92.252|:443... failed: Connection timed out.
      Giving up.

  I'm using Ubuntu 24.04 but I was able to reproduce this bug in an Ubuntu 26.04 virtual machine.
  Version information:

      $ lsb_release -rd
      No LSB modules are available.
      Description:	Ubuntu 24.04.4 LTS
      Release:	24.04
      $ apt-cache policy debuginfod
      debuginfod:
        Installed: 0.190-1.1ubuntu0.1
        Candidate: 0.190-1.1ubuntu0.1
        Version table:
       *** 0.190-1.1ubuntu0.1 500
              500 http://us.archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages
              500 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages
              100 /var/lib/dpkg/status
           0.190-1.1build4 500
              500 http://us.archive.ubuntu.com/ubuntu noble/universe amd64 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: debuginfod 0.190-1.1ubuntu0.1
  ProcVersionSignature: Ubuntu 6.17.0-29.29~24.04.1-generic 6.17.13
  Uname: Linux 6.17.0-29-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Wed May 20 09:35:15 2026
  InstallationDate: Installed on 2025-11-06 (195 days ago)
  InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64 (20250805.1)
  SourcePackage: elfutils
  UpgradeStatus: No upgrade log present (probably fresh install)

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