Issue

• Why docker daemon crashed with error message "segmentation violation code=0x2" on Red Hat Enterprise Linux 7 ?

From the journal logs

Aug 28 06:53:53 XXXXX dockerd-current[2684]: fatal error: unexpected signal during runtime execution
Aug 28 06:53:53 XXXXX dockerd-current[2684]: [signal SIGSEGV: segmentation violation code=0x2 addr=0x7f44838ec7b0 pc=0x7f448247e63c]
Aug 28 06:53:53 XXXXX dockerd-current[2684]: runtime stack:
Aug 28 06:53:53 XXXXX dockerd-current[2684]: runtime.throw(0x19da8be, 0x2a)
Aug 28 06:53:53 XXXXX dockerd-current[2684]: /usr/lib/golang/src/runtime/panic.go:605 +0x95 fp=0x7fff7ec099a8 sp=0x7fff7ec09988 pc=0x43b835
Aug 28 06:53:53 XXXXX dockerd-current[2684]: runtime.sigpanic()
Aug 28 06:53:53 XXXXX dockerd-current[2684]: /usr/lib/golang/src/runtime/signal_unix.go:351 +0x2b8 fp=0x7fff7ec099f8 sp=0x7fff7ec099a8 pc=0x4526b8
Aug 28 06:53:53 XXXXX dockerd-current[2684]: goroutine 45970513 [syscall, locked to thread]:
Aug 28 06:53:53 XXXXX dockerd-current[2684]: runtime.cgocall(0x14d4b70, 0xc4213bde98, 0x19d7477)
Aug 28 06:53:53 XXXXX dockerd-current[2684]: /usr/lib/golang/src/runtime/cgocall.go:132 +0xe4 fp=0xc4213bde58 sp=0xc4213bde18 pc=0x4111a4
Aug 28 06:53:53 XXXXX dockerd-current[2684]: github.com/docker/docker/daemon/logger/journald._Cfunc_wait_for_data_cancelable(0x7f4404004bb0, 0x7f44000004a3, 0x0)
Aug 28 06:53:53 XXXXX dockerd-current[2684]: github.com/docker/docker/daemon/logger/journald/_obj/_cgo_gotypes.go:444 +0x4d fp=0xc4213bde98 sp=0xc4213bde58 pc=0x123c79d
Aug 28 06:53:53 XXXXX dockerd-current[2684]: github.com/docker/docker/daemon/logger/journald.(*journald).followJournal.func1.2(0x7f4404004bb0, 0xc4000004a3, 0x0)