Closed
Description
https://build.golang.org/log/885863bc2258399f10791b6508f8eef0dbdbd840:
--- FAIL: TestGdbPythonCgo (1.26s)
runtime-gdb_test.go:66: gdb version 7.7
runtime-gdb_test.go:229: gdb output: Loading Go Runtime support.
Loading Go Runtime support.
Breakpoint 1 at 0x80c7ac8: file /workdir/tmp/go-build679205063/main.go, line 15.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0xe7b83b40 (LWP 18609)]
[New Thread 0xe7382b40 (LWP 18610)]
[New Thread 0xe6b81b40 (LWP 18611)]
[New Thread 0xe6180b40 (LWP 18612)]
Breakpoint 1, main.main () at /workdir/tmp/go-build679205063/main.go:15
15 fmt.Println("hi")
BEGIN info goroutines
* 1 running runtime.systemstack_switch
2 runnable runtime.forcegchelper
3 waiting runtime.gopark
4 runnable runtime.runfinq
END
BEGIN print mapvar
$1 = map[string]string = {["abc"] = "def", ["ghi"] = "jkl"}
END
BEGIN print strvar
$2 = "abc"
END
BEGIN info locals
mapvar = map[string]string = {["abc"] = "def", ["ghi"] = "jkl"}
strvar = "abc"
slicevar = []string
END
BEGIN goroutine 1 bt
[New Thread 0xe597fb40 (LWP 18613)]
#0 main.main () at /workdir/tmp/go-build679205063/main.go:15
END
BEGIN goroutine 2 bt
#0 runtime.forcegchelper () at /workdir/go/src/runtime/proc.go:242
#1 0x08092b01 in runtime.goexit () at /workdir/go/src/runtime/asm_386.s:1324
#2 0x00000000 in ?? ()
END
Breakpoint 2 at 0x80c7b45: file /workdir/tmp/go-build679205063/main.go, line 19.
hi
Breakpoint 2, main.main () at /workdir/tmp/go-build679205063/main.go:20
20 } // END_OF_PROGRAM
BEGIN goroutine 1 bt at the end
#0 main.main () at /workdir/tmp/go-build679205063/main.go:20
END
runtime-gdb_test.go:95: malformed backtrace at line 0: [New Thread 0xe597fb40 (LWP 18613)]
FAIL
FAIL runtime 20.821s
Other examples:
https://build.golang.org/log/ed9084a3e43222de6c5bba9a79936fd3801aa9b4
https://storage.googleapis.com/go-build-log/e5feffcb/linux-386_8f68fa68.log
https://storage.googleapis.com/go-build-log/b5410280/linux-amd64-race_dcb972b2.log
See also #25697.