net: TestSplice failures

[gopherbot]

#!watchflakes
post <- pkg == "net" && test == "TestSplice"

Issue created automatically to collect these failures.

Example (log):

panic: test timed out after 12m0s
running tests:
	TestSplice (11m41s)
	TestSplice/tcp-to-file (11m3s)
	TestSplice/tcp-to-file/big (11m3s)

runtime.gopark(0x1c800?, 0x3fc844a630?, 0x18?, 0x0?, 0x18?)
	/home/gopher/build/go/src/runtime/proc.go:381 +0x10c fp=0x3fc8576df0 sp=0x3fc8576dd8 pc=0x4a6dc
runtime.chanrecv(0x3fc83d2540, 0x3fc8576ed7, 0xc?)
	/home/gopher/build/go/src/runtime/chan.go:583 +0x430 fp=0x3fc8576e68 sp=0x3fc8576df0 pc=0x16368
runtime.chanrecv1(0x4511c0?, 0x22a6e0?)
	/home/gopher/build/go/src/runtime/chan.go:442 +0x14 fp=0x3fc8576e88 sp=0x3fc8576e68 pc=0x15ef4
testing.(*T).Run(0x3fc845d1e0, {0x276f68?, 0x3f1b99fe87?}, 0x28cf60)
	/home/gopher/build/go/src/testing/testing.go:1633 +0x380 fp=0x3fc8576f40 sp=0x3fc8576e88 pc=0xed020
net.TestSplice(0x3fc845d1e0)
	/home/gopher/build/go/src/net/splice_test.go:26 +0xc8 fp=0x3fc8576f78 sp=0x3fc8576f40 pc=0x1d2388
testing.tRunner(0x3fc845d1e0, 0x28cf70)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net" && test == "TestSplice"

2023-02-27 15:31 linux-riscv64-jsing go@fcfbbf2f net.TestSplice (log)

panic: test timed out after 12m0s
running tests:
	TestSplice (11m41s)
	TestSplice/tcp-to-file (11m3s)
	TestSplice/tcp-to-file/big (11m3s)

runtime.gopark(0x1c800?, 0x3fc844a630?, 0x18?, 0x0?, 0x18?)
	/home/gopher/build/go/src/runtime/proc.go:381 +0x10c fp=0x3fc8576df0 sp=0x3fc8576dd8 pc=0x4a6dc
runtime.chanrecv(0x3fc83d2540, 0x3fc8576ed7, 0xc?)
	/home/gopher/build/go/src/runtime/chan.go:583 +0x430 fp=0x3fc8576e68 sp=0x3fc8576df0 pc=0x16368
runtime.chanrecv1(0x4511c0?, 0x22a6e0?)
	/home/gopher/build/go/src/runtime/chan.go:442 +0x14 fp=0x3fc8576e88 sp=0x3fc8576e68 pc=0x15ef4
testing.(*T).Run(0x3fc845d1e0, {0x276f68?, 0x3f1b99fe87?}, 0x28cf60)
	/home/gopher/build/go/src/testing/testing.go:1633 +0x380 fp=0x3fc8576f40 sp=0x3fc8576e88 pc=0xed020
net.TestSplice(0x3fc845d1e0)
	/home/gopher/build/go/src/net/splice_test.go:26 +0xc8 fp=0x3fc8576f78 sp=0x3fc8576f40 pc=0x1d2388
testing.tRunner(0x3fc845d1e0, 0x28cf70)

2023-02-28 01:11 linux-riscv64-jsing go@dd16258f net.TestSplice (log)

panic: test timed out after 12m0s
running tests:
	TestSplice (11m56s)
	TestSplice/unix-to-file (10m19s)
	TestSplice/unix-to-file/big (10m19s)

runtime.gopark(0x1c7f8?, 0x3f984b4840?, 0x18?, 0x0?, 0x18?)
	/home/gopher/build/go/src/runtime/proc.go:381 +0x10c fp=0x3f980bd5f0 sp=0x3f980bd5d8 pc=0x4a644
runtime.chanrecv(0x3f98332700, 0x3f980bd6d7, 0x9c?)
	/home/gopher/build/go/src/runtime/chan.go:583 +0x430 fp=0x3f980bd668 sp=0x3f980bd5f0 pc=0x16368
runtime.chanrecv1(0x4501c0?, 0x22a2e0?)
	/home/gopher/build/go/src/runtime/chan.go:442 +0x14 fp=0x3f980bd688 sp=0x3f980bd668 pc=0x15ef4
testing.(*T).Run(0x3f984791e0, {0x27722e?, 0x3f091757ed?}, 0x28cb90)
	/home/gopher/build/go/src/testing/testing.go:1633 +0x380 fp=0x3f980bd740 sp=0x3f980bd688 pc=0xecdb0
net.TestSplice(0x3f984791e0)
	/home/gopher/build/go/src/net/splice_test.go:27 +0xe4 fp=0x3f980bd778 sp=0x3f980bd740 pc=0x1d1fa4
testing.tRunner(0x3f984791e0, 0x28cb98)

— watchflakes

[gopherbot]

Change https://go.dev/cl/471995 mentions this issue: net: use /dev/null for TestSplice of big file to fix the test flakes on linux-riscv64-jsing

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net" && test == "TestSplice"

2023-02-27 11:58 linux-riscv64-jsing go@ac27b4dd net.TestSplice (log)

panic: test timed out after 12m0s
running tests:
	TestSplice (11m53s)
	TestSplice/tcp-to-file (11m28s)
	TestSplice/tcp-to-file/big (11m28s)

runtime.gopark(0x1c800?, 0x3fcc00c5a0?, 0x18?, 0x0?, 0x18?)
	/home/gopher/build/go/src/runtime/proc.go:381 +0x10c fp=0x3fcc509df0 sp=0x3fcc509dd8 pc=0x4a6dc
runtime.chanrecv(0x3fcc2e42a0, 0x3fcc509ed7, 0xfc?)
	/home/gopher/build/go/src/runtime/chan.go:583 +0x430 fp=0x3fcc509e68 sp=0x3fcc509df0 pc=0x16368
runtime.chanrecv1(0x4511c0?, 0x22a6e0?)
	/home/gopher/build/go/src/runtime/chan.go:442 +0x14 fp=0x3fcc509e88 sp=0x3fcc509e68 pc=0x15ef4
testing.(*T).Run(0x3fcc3a49c0, {0x276f68?, 0x3f0871291e?}, 0x28cf60)
	/home/gopher/build/go/src/testing/testing.go:1633 +0x380 fp=0x3fcc509f40 sp=0x3fcc509e88 pc=0xed010
net.TestSplice(0x3fcc3a49c0)
	/home/gopher/build/go/src/net/splice_test.go:26 +0xc8 fp=0x3fcc509f78 sp=0x3fcc509f40 pc=0x1d2378
testing.tRunner(0x3fcc3a49c0, 0x28cf70)

2023-02-27 12:43 linux-riscv64-jsing go@85b55c79 net.TestSplice (log)

panic: test timed out after 12m0s
running tests:
	TestSplice (11m57s)
	TestSplice/tcp-to-file (11m30s)
	TestSplice/tcp-to-file/big (11m30s)

runtime.gopark(0x1c800?, 0x3fb800c750?, 0x18?, 0x0?, 0x18?)
	/home/gopher/build/go/src/runtime/proc.go:381 +0x10c fp=0x3fb8035dc8 sp=0x3fb8035db0 pc=0x4a6dc
runtime.chanrecv(0x3fb805e460, 0x3fb8035eaf, 0xc?)
	/home/gopher/build/go/src/runtime/chan.go:583 +0x430 fp=0x3fb8035e40 sp=0x3fb8035dc8 pc=0x16368
runtime.chanrecv1(0x4511c0?, 0x22a6e0?)
	/home/gopher/build/go/src/runtime/chan.go:442 +0x14 fp=0x3fb8035e60 sp=0x3fb8035e40 pc=0x15ef4
testing.(*T).Run(0x3fb82a7d40, {0x27454c?, 0x0?}, 0x3fb8060d40)
	/home/gopher/build/go/src/testing/testing.go:1633 +0x380 fp=0x3fb8035f18 sp=0x3fb8035e60 pc=0xed020
net.testSpliceToFile(0x3125731c48a2b2?, {0x2745c1, 0x3}, {0x27478f, 0x4})
	/home/gopher/build/go/src/net/splice_test.go:35 +0x228 fp=0x3fb8035f48 sp=0x3fb8035f18 pc=0x1d2610
net.TestSplice.func3(0x3fb84331e0?)
	/home/gopher/build/go/src/net/splice_test.go:26 +0x40 fp=0x3fb8035f78 sp=0x3fb8035f48 pc=0x1f3e20
testing.tRunner(0x3fb82a7d40, 0x28cf60)

2023-02-27 21:45 linux-riscv64-jsing go@676794f7 net.TestSplice (log)

panic: test timed out after 12m0s
running tests:
	TestSplice (11m54s)
	TestSplice/tcp-to-file (11m28s)
	TestSplice/tcp-to-file/big (11m28s)

runtime.gopark(0x1c7f8?, 0x3fb054a180?, 0x18?, 0x0?, 0x18?)
	/home/gopher/build/go/src/runtime/proc.go:381 +0x10c fp=0x3fb0511df0 sp=0x3fb0511dd8 pc=0x4a644
runtime.chanrecv(0x3fb0206070, 0x3fb0511ed7, 0x8c?)
	/home/gopher/build/go/src/runtime/chan.go:583 +0x430 fp=0x3fb0511e68 sp=0x3fb0511df0 pc=0x16368
runtime.chanrecv1(0x4501c0?, 0x22a2e0?)
	/home/gopher/build/go/src/runtime/chan.go:442 +0x14 fp=0x3fb0511e88 sp=0x3fb0511e68 pc=0x15ef4
testing.(*T).Run(0x3fb0393380, {0x276b68?, 0x3f35efb584?}, 0x28cb88)
	/home/gopher/build/go/src/testing/testing.go:1633 +0x380 fp=0x3fb0511f40 sp=0x3fb0511e88 pc=0xecda0
net.TestSplice(0x3fb0393380)
	/home/gopher/build/go/src/net/splice_test.go:26 +0xc8 fp=0x3fb0511f78 sp=0x3fb0511f40 pc=0x1d1f78
testing.tRunner(0x3fb0393380, 0x28cb98)

2023-02-27 23:07 linux-riscv64-jsing go@fa9efd91 net.TestSplice (log)

panic: test timed out after 12m0s
running tests:
	TestSplice (11m54s)
	TestSplice/unix-to-file (10m9s)
	TestSplice/unix-to-file/big (10m8s)

runtime.gopark(0x1c7f8?, 0x3fb80a48e8?, 0x18?, 0x0?, 0x18?)
	/home/gopher/build/go/src/runtime/proc.go:381 +0x10c fp=0x3fb80375f0 sp=0x3fb80375d8 pc=0x4a644
runtime.chanrecv(0x3fb84fe7e0, 0x3fb80376d7, 0x9c?)
	/home/gopher/build/go/src/runtime/chan.go:583 +0x430 fp=0x3fb8037668 sp=0x3fb80375f0 pc=0x16368
runtime.chanrecv1(0x4501c0?, 0x22a2e0?)
	/home/gopher/build/go/src/runtime/chan.go:442 +0x14 fp=0x3fb8037688 sp=0x3fb8037668 pc=0x15ef4
testing.(*T).Run(0x3fb8484340, {0x27722e?, 0x3f25690331?}, 0x28cb90)
	/home/gopher/build/go/src/testing/testing.go:1633 +0x380 fp=0x3fb8037740 sp=0x3fb8037688 pc=0xecdb0
net.TestSplice(0x3fb8484340)
	/home/gopher/build/go/src/net/splice_test.go:27 +0xe4 fp=0x3fb8037778 sp=0x3fb8037740 pc=0x1d1fa4
testing.tRunner(0x3fb8484340, 0x28cb98)

— watchflakes