docker daemon crashes with "fatal error: concurrent map read and map write"
Issue
-
Why does the docker daemon crash with a fatal error on RHEL 7?
Apr 27 08:33:10 hostname dockerd-current: time="2017-04-27T08:33:10.751795588-04:00" level=info msg="{Action=commit, LoginUID=4294967295, PID=42482}" Apr 27 08:33:10 hostname dockerd-current: fatal error: concurrent map read and map write Apr 27 08:33:10 hostname dockerd-current: goroutine 368338 [running]: Apr 27 08:33:10 hostname dockerd-current: runtime.throw(0x180c49c, 0x21) Apr 27 08:33:10 hostname dockerd-current: /usr/lib/golang/src/runtime/panic.go:566 +0x95 fp=0xc4279eee48 sp=0xc4279eee28 Apr 27 08:33:10 hostname dockerd-current: runtime.mapaccess2(0x15ca5a0, 0xc42491eab0, 0xc4227fa200, 0xc4279eeed8, 0xc4279eeed8) Apr 27 08:33:10 hostname dockerd-current: /usr/lib/golang/src/runtime/hashmap.go:340 +0x249 fp=0xc4279eee90 sp=0xc4279eee48
Environment
- Red Hat Enterprise Linux 7
- OpenShift Container Platform 3.4
- docker-1.12.6-16
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