Rclone stopped working "failed to open downloader"

What is the problem you are having with rclone?

It was working fine, but upon a restart it no longer mounts the drive. It seems like rclone connects, but it is having trouble with a recent file I worked on?

Run the command 'rclone version' and share the full output of the command.

rclone v1.58.0

  • os/version: Microsoft Windows 11 Pro 22H2 (64 bit)
  • os/kernel: 10.0.22621.1265 (x86_64)
  • os/type: windows
  • os/arch: amd64
  • go/version: go1.17.8
  • go/linking: dynamic
  • go/tags: cmount

Which cloud storage system are you using? (eg Google Drive)

One Drive

The command you were trying to run (eg rclone copy /tmp remote:tmp)

mount one-drive: Z: --vfs-cache-mode=full

The rclone config contents with secrets removed.

[one-drive]
type = onedrive
token = {"access_token":""}
drive_id = 
drive_type = personal

A log from the command with the -vv flag

rclone -vv mount one-drive: Z: --vfs-cache-mode=full
2023/02/17 13:38:17 DEBUG : rclone: Version "v1.58.0" starting with parameters ["rclone" "-vv" "mount" "one-drive:" "Z:" "--vfs-cache-mode=full"]
2023/02/17 13:38:17 DEBUG : Creating backend with remote "one-drive:"
2023/02/17 13:38:17 DEBUG : Using config file from "C:\\Users\\matth\\AppData\\Roaming\\rclone\\rclone.conf"
2023/02/17 13:38:17 INFO  : One drive root '': poll-interval is not supported by this remote
2023/02/17 13:38:17 DEBUG : vfs cache: root is "C:\\Users\\matth\\AppData\\Local\\rclone"
2023/02/17 13:38:17 DEBUG : vfs cache: data root is "\\\\?\\C:\\Users\\matth\\AppData\\Local\\rclone\\vfs\\one-drive"
2023/02/17 13:38:17 DEBUG : vfs cache: metadata root is "\\\\?\\C:\\Users\\matth\\AppData\\Local\\rclone\\vfsMeta\\one-drive"
2023/02/17 13:38:17 DEBUG : Creating backend with remote "C:/Users/matth/AppData/Local/rclone/vfs/one-drive/"
2023/02/17 13:38:17 DEBUG : fs cache: renaming cache item "C:/Users/matth/AppData/Local/rclone/vfs/one-drive/" to be canonical "//?/C:/Users/matth/AppData/Local/rclone/vfs/one-drive/"
2023/02/17 13:38:17 DEBUG : Creating backend with remote "C:/Users/matth/AppData/Local/rclone/vfsMeta/one-drive/"
2023/02/17 13:38:17 DEBUG : fs cache: renaming cache item "C:/Users/matth/AppData/Local/rclone/vfsMeta/one-drive/" to be canonical "//?/C:/Users/matth/AppData/Local/rclone/vfsMeta/one-drive/"
2023/02/17 13:38:18 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: vfs cache: checking remote fingerprint "45815837,2023-02-16 22:47:34 +0000 UTC,f4c512a8bb4078cf3c31d0ff9de9a486665c9700" against cached fingerprint "45815837,2023-02-16 22:47:34 +0000 UTC,f4c512a8bb4078cf3c31d0ff9de9a486665c9700"
2023/02/17 13:38:18 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: vfs cache: truncate to size=2015060132
2023/02/17 13:38:18 DEBUG : vfs cache: looking for range={Pos:0 Size:2015060132} in [] - present false
2023/02/17 13:38:18 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.RangeSeek from -1 to 0 length -1
2023/02/17 13:38:18 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at -1 length 4096 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:18 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.openRange at 0 length 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 4096 length 8192 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 12288 length 16384 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 28672 length 32768 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 61440 length 65536 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 126976 length 131072 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 258048 length 262144 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 520192 length 524288 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 1044480 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 2093056 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 3141632 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:19 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 4190208 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 5238784 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 6287360 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 7335936 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 8384512 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 9433088 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 10481664 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 11530240 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 12578816 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 13627392 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 14675968 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 15724544 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 16773120 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:20 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 17821696 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 18870272 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 19918848 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 20967424 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 22016000 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 23064576 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 24113152 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 25161728 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 26210304 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 27258880 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 28307456 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 29356032 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 30404608 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 31453184 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:21 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 32501760 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 33550336 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 34598912 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 35647488 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 36696064 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 37744640 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 38793216 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 39841792 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 40890368 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 41938944 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 42987520 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 44036096 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.Read at 45084672 length 1048576 chunkOffset 0 chunkSize 134217728
2023/02/17 13:38:22 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.RangeSeek from -1 to 45815837 length -1
2023/02/17 13:38:22 INFO  : Documents/Work/Projects/Process Simulations/2t1C V2.log: vfs cache: downloader: error count now 1: failed to open downloader: vfs reader: failed to open source file: invalid seek position
2023/02/17 13:38:22 ERROR : Documents/Work/Projects/Process Simulations/2t1C V2.log: vfs cache: restart download failed: failed to start downloader: failed to open downloader: vfs reader: failed to open source file: invalid seek position
2023/02/17 13:38:23 DEBUG : Documents/Work/Projects/Process Simulations/2t1C V2.log: ChunkedReader.RangeSeek from -1 to 45815837 length -1
2023/02/17 13:38:23 INFO  : Documents/Work/Projects/Process Simulations/2t1C V2.log: vfs cache: downloader: error count now 2: failed to open downloader: vfs reader: failed to open source file: invalid seek position
2023/02/17 13:38:23 ERROR : Documents/Work/Projects/Process Simulations/2t1C V2.log: vfs cache: restart download failed: failed to start downloader: failed to open downloader: vfs reader: failed to open source file: invalid seek position

It was a bad file in my cache that I deleted, now it works fine.

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