by trolleriprofessorn:

What steps will reproduce the problem?
Run http://play.golang.org/p/a44Qi91zCe with "go run -race".

What do you see?
==================
WARNING: DATA RACE
Write by goroutine 0:
  time.initLocal()
      /home/sni/go/src/pkg/time/zoneinfo_unix.go:49 +0x128
  sync.(*Once).Do()
      /home/sni/go/src/pkg/sync/once.go:40 +0x8d
  time.(*Location).get()
      /home/sni/go/src/pkg/time/zoneinfo.go:69 +0x70
  time.(*Location).lookup()
      /home/sni/go/src/pkg/time/zoneinfo.go:102 +0x4c
  time.Time.locabs()
      /home/sni/go/src/pkg/time/time.go:274 +0x179
  time.Time.Format()
      /home/sni/go/src/pkg/time/format.go:379 +0x60
  time.Time.String()
      /home/sni/go/src/pkg/time/format.go:366 +0x58
  time.(*Time).String()
      /home/sni/go/src/pkg/time/format.go:0 +0xc7
  fmt.(*pp).handleMethods()
      /home/sni/go/src/pkg/fmt/print.go:712 +0x51a
  fmt.(*pp).printField()
      /home/sni/go/src/pkg/fmt/print.go:803 +0x5b2
  fmt.(*pp).doPrint()
      /home/sni/go/src/pkg/fmt/print.go:1134 +0x2d9
  fmt.Fprintln()
      /home/sni/go/src/pkg/fmt/print.go:279 +0x96
  fmt.Println()
      /home/sni/go/src/pkg/fmt/print.go:289 +0xaa
  main.main()
      /home/sni/Nada/Pallinda/raceTime.go:10 +0x188
  runtime.main()
      /home/sni/go/src/pkg/runtime/proc.c:248 +0x91

Previous read by goroutine 2:
  time.Time.locabs()
      /home/sni/go/src/pkg/time/time.go:270 +0x9a
  time.Time.Format()
      /home/sni/go/src/pkg/time/format.go:379 +0x60
  time.Time.String()
      /home/sni/go/src/pkg/time/format.go:366 +0x58
  time.(*Time).String()
      /home/sni/go/src/pkg/time/format.go:0 +0xc7
  fmt.(*pp).handleMethods()
      /home/sni/go/src/pkg/fmt/print.go:712 +0x51a
  fmt.(*pp).printField()
      /home/sni/go/src/pkg/fmt/print.go:803 +0x5b2
  fmt.(*pp).doPrint()
      /home/sni/go/src/pkg/fmt/print.go:1134 +0x2d9
  fmt.Fprintln()
      /home/sni/go/src/pkg/fmt/print.go:279 +0x96
  fmt.Println()
      /home/sni/go/src/pkg/fmt/print.go:289 +0xaa

Goroutine 2 (running) created at:
  main.main()
      /raceTime.go:9 +0xef
  runtime.main()
      /go/src/pkg/runtime/proc.c:248 +0x91

==================
2013-01-06 13:52:56.109210367 +0100 CET
2013-01-06 13:52:56.109020365 +0100 CET
Found 1 data race(s)
exit status 66

Which version are you using?  (run 'go version')
go version devel +28ee66c9003f Sat Jan 05 21:15:51 2013 +1100 linux/amd64