cmd/internal/testdir: Test/rangegen.go failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

Issue created automatically to collect these failures.

Example (log):

=== RUN   Test/rangegen.go
=== PAUSE Test/rangegen.go
=== CONT  Test/rangegen.go
    testdir_test.go:145: exit status 1
        command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64/compile: signal: killed

--- FAIL: Test/rangegen.go (54.26s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-04-09 04:07 gotip-linux-ppc64_power8 go@9f3f4c64 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64/compile: signal: killed --- FAIL: Test/rangegen.go (54.26s)

— watchflakes

[pmur]

The most recent ppc64le power9 failures indicate OOM. The ppc64le containers are limited to 10GB today (including tmpfs for LUCI stuff). The rangegen test is probably the most memory intensive test.

Memory cgroup out of memory: Killed process 2631390 (compile) total-vm:3672064kB, anon-rss:2462528kB, file-rss:128kB, shmem-rss:16704kB, UID:2000 pgtables:350kB oom_score_adj:0

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-06-04 15:28 gotip-linux-ppc64le_power9 go@535f81e7 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (75.88s)

2024-06-04 16:19 gotip-linux-ppc64le_power9 go@b5a86178 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (69.98s)

2024-06-05 19:56 gotip-linux-ppc64le_power9 go@e53d10dc cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (67.58s)

2024-06-21 12:36 gotip-linux-ppc64le_power9 go@20b79fd5 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (58.92s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-17 15:08 gotip-linux-ppc64le_power9 go@fc51e502 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (65.10s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-22 15:45 gotip-linux-ppc64le_power9 go@f0de94ff cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (65.94s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-23 17:16 gotip-linux-ppc64le_power9 go@fe87b586 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (66.05s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-25 14:38 gotip-linux-ppc64le_power9 go@e76353d5 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (63.98s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-24 18:55 go1.23-linux-ppc64le_power9 release-branch.go1.23@559c7759 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (73.00s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-30 17:16 gotip-linux-ppc64le_power9 go@c7227bc7 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (57.99s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-31 14:26 gotip-linux-ppc64le_power9 go@eea2e929 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (73.02s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-07-31 21:23 gotip-linux-ppc64le_power9 go@31e692be cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (73.01s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-08-01 02:53 gotip-linux-ppc64le_power9 go@bd85a3b1 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (76.35s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-08-01 19:13 gotip-linux-ppc64le_power9 go@2caf638e cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (55.61s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-08-02 00:29 gotip-linux-ppc64le_power9 go@11dbbaff cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (53.98s)

2024-08-02 14:14 gotip-linux-ppc64le_power9 go@9abd1144 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (63.39s)

— watchflakes

[pmur]

I've readjusted the power9 builders to 4 instances, and reallocated the memory (about 3G more to the remaining buildlets). I suspect the underlying hardware is overcommitted, and that is the cause of the spurious slowdowns we see only on P9.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-08-05 13:12 gotip-linux-ppc64le_power9 go@d465aee0 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:145: exit status 1 command-line-arguments: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_ppc64le/compile: signal: killed --- FAIL: Test/rangegen.go (55.73s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/rangegen.go"

2024-09-20 19:09 gotip-windows-arm64 go@6600a871 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:147: exit status 1 # command-line-arguments fatal error: runtime: cannot allocate memory runtime stack: runtime.throw({0x7ff7cef77d8e?, 0x407c07a000?}) runtime/panic.go:1069 +0x38 fp=0xde829ffc40 sp=0xde829ffc10 pc=0x7ff7ce6404c8 ... cmd/compile/internal/gc.compileFunctions.func5.1(0x0?) cmd/compile/internal/gc/compile.go:189 +0x40 fp=0x40563cffa0 sp=0x40563cff60 pc=0x7ff7cee47250 cmd/compile/internal/gc.compileFunctions.func3.1() cmd/compile/internal/gc/compile.go:171 +0x3c fp=0x40563cffd0 sp=0x40563cffa0 pc=0x7ff7cee475bc runtime.goexit({}) runtime/asm_arm64.s:1223 +0x4 fp=0x40563cffd0 sp=0x40563cffd0 pc=0x7ff7ce647794 created by cmd/compile/internal/gc.compileFunctions.func3 in goroutine 13 cmd/compile/internal/gc/compile.go:170 +0x1e0 --- FAIL: Test/rangegen.go (28.68s)

2024-09-20 20:19 gotip-windows-arm64 go@097b7162 cmd/internal/testdir.Test/rangegen.go (log)

=== RUN Test/rangegen.go === PAUSE Test/rangegen.go === CONT Test/rangegen.go testdir_test.go:147: exit status 1 # command-line-arguments fatal error: runtime: cannot allocate memory runtime stack: runtime.throw({0x7ff738817d8e?, 0x7ff737e88b40?}) runtime/panic.go:1069 +0x38 fp=0xc74afffa70 sp=0xc74afffa40 pc=0x7ff737ee04c8 ... runtime.chansend1(0x0?, 0x0?) runtime/chan.go:157 +0x18 fp=0x404699ffa0 sp=0x404699ff70 pc=0x7ff737e67d58 cmd/compile/internal/gc.compileFunctions.func3.1() cmd/compile/internal/gc/compile.go:172 +0x48 fp=0x404699ffd0 sp=0x404699ffa0 pc=0x7ff7386e75c8 runtime.goexit({}) runtime/asm_arm64.s:1223 +0x4 fp=0x404699ffd0 sp=0x404699ffd0 pc=0x7ff737ee7794 created by cmd/compile/internal/gc.compileFunctions.func3 in goroutine 18 cmd/compile/internal/gc/compile.go:170 +0x1e0 --- FAIL: Test/rangegen.go (43.82s)

— watchflakes