Fails to findBestPath for cache directory

[lanzafame]

logs:

{"level":"info","ts":"2020-02-04T15:54:56.621+1000","logger":"main","caller":"lotus-seal-worker/sub.go:66","msg":"Waiting for new task"}
{"level":"info","ts":"2020-02-04T15:55:56.184+1000","logger":"main","caller":"lotus-seal-worker/sub.go:70","msg":"New task: 47, sector 21, action: 0"}
{"level":"info","ts":"2020-02-04T15:55:56.184+1000","logger":"main","caller":"lotus-seal-worker/transfer.go:32","msg":"Fetch staging http://192.168.1.64:2345/remote/staging/21"}
{"level":"info","ts":"2020-02-04T15:56:36.453+1000","logger":"main","caller":"lotus-seal-worker/sub.go:100","msg":"Data fetched, starting computation"}
{"level":"info","ts":"2020-02-04T15:56:36.453+1000","logger":"main","caller":"lotus-seal-worker/sub.go:74","msg":"Task 47 done, err: precomitting:\n    main.(*worker).processTask\n        /home/lanzafame/src/github.com/filecoin-project/lotus/cmd/lotus-seal-worker/sub.go:108\n  - getting cache dir:\n    github.com/filecoin-project/go-sectorbuilder.(*SectorBuilder).SealPreCommit\n        /home/lanzafame/pkg/mod/github.com/filecoin-project/go-sectorbuilder@v0.0.2-0.20200203173614-42d67726bb62/sectorbuild_cgo.go:170\n  - no available cache:\n    github.com/filecoin-project/go-sectorbuilder/fs.(*FS).findBestPath\n        /home/lanzafame/pkg/mod/github.com/filecoin-project/go-sectorbuilder@v0.0.2-0.20200203173614-42d67726bb62/fs/fs.go:214\n  - no suitable path for sector fond"}

The data appears to transfer fine but fails because of a directory not existing, maybe

[AKZX]

Have you found the root cause of this? I'm having the very same error

[ognots]

also have this error

[foxundermoon]

2020-05-09T15:11:06.645+0800    WARN    sectors sealing/fsm.go:279      sector 2 got error event sealing.SectorSealFailed: seal pre commit failed: precomitting: getting cache dir: no available cache: no suitable path for sector fond