Package: pahole
Version: 1.27-1
Severity: normal
X-Debbugs-Cc: debian-ker...@lists.debian.org

Several kernel builds on powerpc have failed recently:

6.8.12-1:    
https://buildd.debian.org/status/fetch.php?pkg=linux&arch=powerpc&ver=6.8.12-1&stamp=1717234422&raw=1
6.9.9-1:     
https://buildd.debian.org/status/fetch.php?pkg=linux&arch=powerpc&ver=6.9.9-1&stamp=1720906547&raw=1
6.10-1~exp1: 
https://buildd.debian.org/status/fetch.php?pkg=linux&arch=powerpc&ver=6.10-1%7Eexp1&stamp=1721287862&raw=1

Note, these log files are up to 270 MB in size and should be
downloaded; at least Firefox becomes unresponsive when trying to
display them.

For each of these, the failure seems to start with an error from
pahole such as:

    [102044] ARRAY (anon) type_id=99491 index_type_id=14 nr_elems=12 Error 
emitting BTF type
    Encountered error while encoding BTF.

This does *not* happen consistently.  Compare these successful
builds:

6.8.12-1:    
https://buildd.debian.org/status/fetch.php?pkg=linux&arch=powerpc&ver=6.8.12-1&stamp=1717278092&raw=1
- This same version failed to build on the first try.
6.9.7-1:     
https://buildd.debian.org/status/fetch.php?pkg=linux&arch=powerpc&ver=6.9.7-1&stamp=1719538806&raw=1
- Earlier and later 6.9.x versions failed to build.

Both pahole versions 1.26-1 and 1.27-1 have been used in both
successful and failing builds.

Ben.

-- System Information:
Debian Release: trixie/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 
'stable-security'), (500, 'oldstable-updates'), (500, 'oldstable-security'), 
(500, 'oldoldstable-updates'), (500, 'oldoldstable'), (500, 'unstable'), (500, 
'stable'), (500, 'oldstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.9.9-amd64 (SMP w/12 CPU threads; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages pahole depends on:
ii  libbpf1     1:1.4.3-1
ii  libc6       2.39-4
ii  libdw1t64   0.191-2
ii  libelf1t64  0.191-2
ii  zlib1g      1:1.3.dfsg+really1.3.1-1

pahole recommends no packages.

pahole suggests no packages.

-- debconf-show failed

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