Diff of the two buildlogs: -- --- b1/build.log 2024-05-06 23:37:42.201587011 +0000 +++ b2/build.log 2024-05-06 23:38:28.459615318 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Mon May 6 11:37:04 -12 2024 -I: pbuilder-time-stamp: 1715038624 +I: Current time: Mon Jun 9 20:00:45 +14 2025 +I: pbuilder-time-stamp: 1749448845 I: Building the build Environment I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz] I: copying local configuration @@ -26,52 +26,84 @@ dpkg-source: info: unpacking golang-github-sasha-s-go-deadlock_0.3.1-1.debian.tar.xz I: Not using root during the build. I: Installing the build-deps -I: user script /srv/workspace/pbuilder/679552/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/D01_modify_environment starting +debug: Running on codethink01-arm64. +I: Changing host+domainname to test build reproducibility +I: Adding a custom variable just for the fun of it... +I: Changing /bin/sh to bash +'/bin/sh' -> '/bin/bash' +lrwxrwxrwx 1 root root 9 Jun 9 06:00 /bin/sh -> /bin/bash +I: Setting pbuilder2's login shell to /bin/bash +I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/D02_print_environment starting I: set - BUILDDIR='/build/reproducible-path' - BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other' - BUILDUSERNAME='pbuilder1' - BUILD_ARCH='arm64' - DEBIAN_FRONTEND='noninteractive' + BASH=/bin/sh + BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath + BASH_ALIASES=() + BASH_ARGC=() + BASH_ARGV=() + BASH_CMDS=() + BASH_LINENO=([0]="12" [1]="0") + BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:. + BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment") + BASH_VERSINFO=([0]="5" [1]="2" [2]="21" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu") + BASH_VERSION='5.2.21(1)-release' + BUILDDIR=/build/reproducible-path + BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other' + BUILDUSERNAME=pbuilder2 + BUILD_ARCH=arm64 + DEBIAN_FRONTEND=noninteractive DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 ' - DISTRIBUTION='trixie' - HOME='/root' - HOST_ARCH='arm64' + DIRSTACK=() + DISTRIBUTION=trixie + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=aarch64 + HOST_ARCH=arm64 IFS=' ' - INVOCATION_ID='d1b4b7e38cd44e4fbdc0d4c74251fd19' - LANG='C' - LANGUAGE='en_US:en' - LC_ALL='C' - MAIL='/var/mail/root' - OPTIND='1' - PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games' - PBCURRENTCOMMANDLINEOPERATION='build' - PBUILDER_OPERATION='build' - PBUILDER_PKGDATADIR='/usr/share/pbuilder' - PBUILDER_PKGLIBDIR='/usr/lib/pbuilder' - PBUILDER_SYSCONFDIR='/etc' - PPID='679552' - PS1='# ' - PS2='> ' + INVOCATION_ID=e8545a1bcb3549fcb1aa4fbd3a2e973e + LANG=C + LANGUAGE=nl_BE:nl + LC_ALL=C + MACHTYPE=aarch64-unknown-linux-gnu + MAIL=/var/mail/root + OPTERR=1 + OPTIND=1 + OSTYPE=linux-gnu + PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path + PBCURRENTCOMMANDLINEOPERATION=build + PBUILDER_OPERATION=build + PBUILDER_PKGDATADIR=/usr/share/pbuilder + PBUILDER_PKGLIBDIR=/usr/lib/pbuilder + PBUILDER_SYSCONFDIR=/etc + PIPESTATUS=([0]="0") + POSIXLY_CORRECT=y + PPID=3425914 PS4='+ ' - PWD='/' - SHELL='/bin/bash' - SHLVL='2' - SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.AhUacK7i/pbuilderrc_s0gT --distribution trixie --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.AhUacK7i/b1 --logfile b1/build.log golang-github-sasha-s-go-deadlock_0.3.1-1.dsc' - SUDO_GID='109' - SUDO_UID='104' - SUDO_USER='jenkins' - TERM='unknown' - TZ='/usr/share/zoneinfo/Etc/GMT+12' - USER='root' - _='/usr/bin/systemd-run' - http_proxy='http://192.168.101.4:3128' + PWD=/ + SHELL=/bin/bash + SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix + SHLVL=3 + SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.AhUacK7i/pbuilderrc_T5yL --distribution trixie --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.AhUacK7i/b2 --logfile b2/build.log golang-github-sasha-s-go-deadlock_0.3.1-1.dsc' + SUDO_GID=109 + SUDO_UID=104 + SUDO_USER=jenkins + TERM=unknown + TZ=/usr/share/zoneinfo/Etc/GMT-14 + UID=0 + USER=root + _='I: set' + http_proxy=http://192.168.101.4:3128 I: uname -a - Linux codethink04-arm64 6.1.0-20-cloud-arm64 #1 SMP Debian 6.1.85-1 (2024-04-11) aarch64 GNU/Linux + Linux i-capture-the-hostname 6.1.0-20-cloud-arm64 #1 SMP Debian 6.1.85-1 (2024-04-11) aarch64 GNU/Linux I: ls -l /bin - lrwxrwxrwx 1 root root 7 May 5 11:23 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/679552/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Jun 7 17:47 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -150,7 +182,7 @@ Get: 35 http://deb.debian.org/debian trixie/main arm64 golang-go arm64 2:1.22~3 [44.2 kB] Get: 36 http://deb.debian.org/debian trixie/main arm64 golang-any arm64 2:1.22~3 [5104 B] Get: 37 http://deb.debian.org/debian trixie/main arm64 golang-github-petermattis-goid-dev all 0.0~git20180202.b0b1615-3 [4724 B] -Fetched 58.9 MB in 0s (200 MB/s) +Fetched 58.9 MB in 0s (213 MB/s) debconf: delaying package configuration, since apt-utils is not installed Selecting previously unselected package sensible-utils. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 19743 files and directories currently installed.) @@ -313,7 +345,11 @@ Building tag database... -> Finished parsing the build-deps I: Building the package -I: Running cd /build/reproducible-path/golang-github-sasha-s-go-deadlock-0.3.1/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S > ../golang-github-sasha-s-go-deadlock_0.3.1-1_source.changes +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for trixie +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/A99_set_merged_usr finished +hostname: Name or service not known +I: Running cd /build/reproducible-path/golang-github-sasha-s-go-deadlock-0.3.1/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S > ../golang-github-sasha-s-go-deadlock_0.3.1-1_source.changes dpkg-buildpackage: info: source package golang-github-sasha-s-go-deadlock dpkg-buildpackage: info: source version 0.3.1-1 dpkg-buildpackage: info: source distribution unstable @@ -332,29 +368,29 @@ dh_auto_configure -O--buildsystem=golang dh_auto_build -O--buildsystem=golang cd obj-aarch64-linux-gnu && go install -trimpath -v -p 12 github.com/sasha-s/go-deadlock -internal/goarch -internal/goexperiment -internal/goos internal/godebugs -internal/unsafeheader -internal/race -runtime/internal/syscall internal/coverage/rtcov -internal/cpu +internal/goos +internal/race +internal/unsafeheader +internal/goexperiment unicode/utf8 -internal/itoa +internal/goarch +runtime/internal/syscall +unicode sync/atomic +internal/itoa math/bits -runtime/internal/math -internal/chacha8rand -unicode -runtime/internal/sys cmp +internal/cpu +internal/chacha8rand internal/abi +runtime/internal/sys +runtime/internal/math slices math -internal/bytealg runtime/internal/atomic +internal/bytealg runtime internal/reflectlite sync @@ -362,33 +398,33 @@ runtime/cgo errors sort -internal/oserror -strconv io +strconv +bytes internal/safefilepath path -syscall -bytes +internal/oserror strings -reflect +syscall github.com/petermattis/goid +reflect bufio internal/syscall/unix internal/syscall/execenv time -internal/poll -io/fs internal/fmtsort +io/fs +internal/poll os -fmt io/ioutil +fmt path/filepath os/user github.com/sasha-s/go-deadlock dh_auto_test -O--buildsystem=golang cd obj-aarch64-linux-gnu && go test -vet=off -v -p 12 github.com/sasha-s/go-deadlock === RUN TestNoDeadlocks ---- PASS: TestNoDeadlocks (0.86s) +--- PASS: TestNoDeadlocks (1.01s) === RUN TestLockOrder POTENTIAL DEADLOCK: Inconsistent locking. saw this ordering in one goroutine: happened before @@ -408,7 +444,7 @@ deadlock_test.go:84 go-deadlock.TestLockOrder.func3 { b.Lock() } Other goroutines holding locks: -goroutine 385 lock 0x40005b2038 +goroutine 354 lock 0x40001d0038 deadlock_test.go:84 go-deadlock.TestLockOrder.func3 { b.Lock() } <<<<< deadlock_test.go:83 go-deadlock.TestLockOrder.func3 { defer wg.Done() } @@ -418,73 +454,73 @@ === RUN TestHardDeadlock POTENTIAL DEADLOCK: Previous place where the lock was grabbed -goroutine 402 lock 0x40005b2110 +goroutine 355 lock 0x40001d0110 deadlock_test.go:104 go-deadlock.TestHardDeadlock { mu.Lock() } <<<<< deadlock_test.go:103 go-deadlock.TestHardDeadlock { var mu Mutex } Have been trying to lock it again for more than 20ms -goroutine 404 lock 0x40005b2110 +goroutine 357 lock 0x40001d0110 deadlock_test.go:108 go-deadlock.TestHardDeadlock.func2 { mu.Lock() } <<<<< deadlock_test.go:107 go-deadlock.TestHardDeadlock.func2 { defer close(ch) } -Here is what goroutine 402 doing now -goroutine 402 [select]: -github.com/sasha-s/go-deadlock.TestHardDeadlock(0x40005ba340) +Here is what goroutine 355 doing now +goroutine 355 [select]: +github.com/sasha-s/go-deadlock.TestHardDeadlock(0x40001d8340) /build/reproducible-path/golang-github-sasha-s-go-deadlock-0.3.1/obj-aarch64-linux-gnu/src/github.com/sasha-s/go-deadlock/deadlock_test.go:111 +0x21c -testing.tRunner(0x40005ba340, 0x550ae8) +testing.tRunner(0x40001d8340, 0x550ae8) /usr/lib/go-1.22/src/testing/testing.go:1689 +0xec created by testing.(*T).Run in goroutine 1 /usr/lib/go-1.22/src/testing/testing.go:1742 +0x318 -2024/05/06 23:37:36 **************** +2025/06/09 06:01:22 **************** --- PASS: TestHardDeadlock (0.10s) === RUN TestRWMutex POTENTIAL DEADLOCK: Previous place where the lock was grabbed -goroutine 245 lock 0x400001c360 +goroutine 5 lock 0x400001c348 deadlock_test.go:131 go-deadlock.TestRWMutex { a.RLock() } <<<<< deadlock_test.go:130 go-deadlock.TestRWMutex { var a RWMutex } Have been trying to lock it again for more than 20ms -goroutine 247 lock 0x400001c360 +goroutine 7 lock 0x400001c348 deadlock_test.go:134 go-deadlock.TestRWMutex.func2 { a.Lock() } <<<<< deadlock_test.go:133 go-deadlock.TestRWMutex.func2 { // We detect a potential deadlock here. } -Here is what goroutine 245 doing now -goroutine 245 [sleep]: +Here is what goroutine 5 doing now +goroutine 5 [sleep]: time.Sleep(0x5f5e100) /usr/lib/go-1.22/src/runtime/time.go:195 +0xfc -github.com/sasha-s/go-deadlock.TestRWMutex(0x40000b2000) +github.com/sasha-s/go-deadlock.TestRWMutex(0x400009c000) /build/reproducible-path/golang-github-sasha-s-go-deadlock-0.3.1/obj-aarch64-linux-gnu/src/github.com/sasha-s/go-deadlock/deadlock_test.go:137 +0x1b8 -testing.tRunner(0x40000b2000, 0x550b08) +testing.tRunner(0x400009c000, 0x550b08) /usr/lib/go-1.22/src/testing/testing.go:1689 +0xec created by testing.(*T).Run in goroutine 1 /usr/lib/go-1.22/src/testing/testing.go:1742 +0x318 POTENTIAL DEADLOCK: Previous place where the lock was grabbed -goroutine 245 lock 0x400001c360 +goroutine 5 lock 0x400001c348 deadlock_test.go:131 go-deadlock.TestRWMutex { a.RLock() } <<<<< deadlock_test.go:130 go-deadlock.TestRWMutex { var a RWMutex } Have been trying to lock it again for more than 20ms -goroutine 249 lock 0x400001c360 +goroutine 9 lock 0x400001c348 deadlock_test.go:142 go-deadlock.TestRWMutex.func3 { a.RLock() } <<<<< deadlock_test.go:141 go-deadlock.TestRWMutex.func3 { defer close(ch) } -Here is what goroutine 245 doing now -goroutine 245 [select]: -github.com/sasha-s/go-deadlock.TestRWMutex(0x40000b2000) +Here is what goroutine 5 doing now +goroutine 5 [select]: +github.com/sasha-s/go-deadlock.TestRWMutex(0x400009c000) /build/reproducible-path/golang-github-sasha-s-go-deadlock-0.3.1/obj-aarch64-linux-gnu/src/github.com/sasha-s/go-deadlock/deadlock_test.go:145 +0x25c -testing.tRunner(0x40000b2000, 0x550b08) +testing.tRunner(0x400009c000, 0x550b08) /usr/lib/go-1.22/src/testing/testing.go:1689 +0xec created by testing.(*T).Run in goroutine 1 /usr/lib/go-1.22/src/testing/testing.go:1742 +0x318 ---- PASS: TestRWMutex (0.15s) +--- PASS: TestRWMutex (0.16s) === RUN TestLockDuplicate POTENTIAL DEADLOCK: Recursive locking: -current goroutine 253 lock 0x4000010170 +current goroutine 13 lock 0x4000010180 deadlock_test.go:181 go-deadlock.TestLockDuplicate.func3 { b.Lock() } <<<<< deadlock_test.go:180 go-deadlock.TestLockDuplicate.func3 { b.Lock() } @@ -493,7 +529,7 @@ deadlock_test.go:179 go-deadlock.TestLockDuplicate.func3 { go func() { } POTENTIAL DEADLOCK: Recursive locking: -current goroutine 252 lock 0x400001c378 +current goroutine 12 lock 0x400001c360 deadlock_test.go:175 go-deadlock.TestLockDuplicate.func2 { a.Lock() } <<<<< deadlock_test.go:174 go-deadlock.TestLockDuplicate.func2 { a.RLock() } @@ -502,14 +538,14 @@ deadlock_test.go:173 go-deadlock.TestLockDuplicate.func2 { go func() { } Other goroutines holding locks: -goroutine 253 lock 0x4000010170 +goroutine 13 lock 0x4000010180 deadlock_test.go:180 go-deadlock.TestLockDuplicate.func3 { b.Lock() } <<<<< deadlock_test.go:179 go-deadlock.TestLockDuplicate.func3 { go func() { } ---- PASS: TestLockDuplicate (1.00s) +--- PASS: TestLockDuplicate (1.01s) PASS -ok github.com/sasha-s/go-deadlock 2.128s +ok github.com/sasha-s/go-deadlock 2.324s create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=golang dh_prep -O--buildsystem=golang @@ -536,12 +572,14 @@ dpkg-buildpackage: info: binary-only upload (no source included) dpkg-genchanges: info: including full source code in upload I: copying local configuration +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/3425914/tmp/hooks/B01_cleanup finished I: unmounting dev/ptmx filesystem I: unmounting dev/pts filesystem I: unmounting dev/shm filesystem I: unmounting proc filesystem I: unmounting sys filesystem I: cleaning the build env -I: removing directory /srv/workspace/pbuilder/679552 and its subdirectories -I: Current time: Mon May 6 11:37:41 -12 2024 -I: pbuilder-time-stamp: 1715038661 +I: removing directory /srv/workspace/pbuilder/3425914 and its subdirectories +I: Current time: Mon Jun 9 20:01:27 +14 2025 +I: pbuilder-time-stamp: 1749448887