still getting occasional panic on ipfs daemon --mount --offline

[whyrusleeping]

I thought we fixed this one, seems not.

whyrusleeping@rumil ~> ipfs daemon --offline --mount
Initializing daemon...                                                                                                                                                                                                                         
Adjusting current ulimit to 2048...                                                                                                                                                                                                            
Successfully raised file descriptor limit to 2048.                                                                                                                                                                                             
Swarm not listening, running in offline mode.                                                                                                                                                                                                  
API server listening on /ip4/127.0.0.1/tcp/5001                                                                                                                                                                                                
Error: mount is not currently supported in offline mode                                                                                                                                                                                        
Use 'ipfs daemon --help' for information about this command                                                                                                                                                                                    
panic: Process cannot add children after being closed                                                                                                                                                                                          
                                                                                                                                                                                                                                               
goroutine 124 [running]:                                                                                                                                                                                                                       
gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess.(*process).AddChild(0xc4202448a0, 0x1360f60, 0xc420264c00)                                                                                                                    
        /home/whyrusleeping/gopkg/src/gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess/impl-mutex.go:86 +0x342
gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess.(*process).Go(0xc4202448a0, 0xc4201da680, 0xc420264ae0, 0xc420224780)
        /home/whyrusleeping/gopkg/src/gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess/impl-mutex.go:110 +0x2fe
github.com/ipfs/go-ipfs/core/corehttp.Serve(0xc4201d01c0, 0x1359760, 0xc420128350, 0xc42006af00, 0x9, 0x9, 0x6471000702fd1, 0xa8cb9d02828c76)
        /home/whyrusleeping/gopkg/src/github.com/ipfs/go-ipfs/core/corehttp/corehttp.go:85 +0x23f
main.serveHTTPApi.func1(0xc42013a7e0, 0xc4201d01c0, 0x135d880, 0xc4204f5980, 0xc42006af00, 0x9, 0x9)
        /home/whyrusleeping/gopkg/src/github.com/ipfs/go-ipfs/cmd/ipfs/daemon.go:491 +0x7e
created by main.serveHTTPApi
        /home/whyrusleeping/gopkg/src/github.com/ipfs/go-ipfs/cmd/ipfs/daemon.go:493 +0xc5c

[whyrusleeping]

closed in #3940