Disk space warning from --xattrs when plenty of space is left.

[NickSto]

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Description of your issue, suggested solution and other information

Hi, I've been downloading some videos from a playlist using the --xattrs option, but I keep having an issue where youtube-dl reports:
WARNING: There's no disk space left or disk quota exceeded. Extended attributes are not written.
..even though it actually did write the attributes, and there's gigs of disk space available.

I haven't been able to go through all the videos where it reports this to check that they all got the attributes, but I've checked a few.

It was concerning until I realized it's a false positive. I started Googling for any info on the error and checked here, but it seems no one's filed the issue. Thought I'd let people know this is happening.

Technical details

It first occurred when running this command:
$ youtube-dl --no-mtime --xattrs --playlist-reverse -f 22 -o '%(playlist_index)s - %(title)s [src %(uploader_id)s] [posted %(upload_date)s] [id %(id)s].%(ext)s' https://www.youtube.com/user/pbsideachannel

One of the videos it happened on is: https://www.youtube.com/watch?v=0coyhlG4HK4

Also, it's repeatable: it happens every time I attempt to download this video, even outside a playlist:
$ youtube-dl --no-mtime --xattrs "https://www.youtube.com/watch?v=0coyhlG4HK4" -o "%(title)s [src %(uploader_id)s] [posted %(upload_date)s] [id %(id)s].%(ext)s"

But the attributes are actually written:

$ attr -l '300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4'
Attribute "dublincore.format" has a 21 byte value for 300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4
Attribute "dublincore.date" has a 10 byte value for 300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4
Attribute "dublincore.title" has a 64 byte value for 300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4
Attribute "xdg.referrer.url" has a 43 byte value for 300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4
Attribute "dublincore.contributor" has a 16 byte value for 300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4
$ attr -g xdg.referrer.url '300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4'
Attribute "xdg.referrer.url" had a 43 byte value for 300 - Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].mp4:
https://www.youtube.com/watch?v=0coyhlG4HK4

I'm on Ubuntu 16.04.3, 64-bit, and the drives in question (it happened on multiple) are all ext4-formatted. One of them has almost half a terabyte free.

This is the line in /etc/fstab for one of the drives it occurred on:
/dev/mapper/ubuntu--vg-root / ext4 discard,noatime,nodiratime,errors=remount-ro 0 1

Here's the verbose version of the output:

$ youtube-dl -v --no-mtime --xattrs "https://www.youtube.com/watch?v=0coyhlG4HK4" -o "%(title)s [src %(uploader_id)s] [posted %(upload_date)s] [id %(id)s].%(ext)s"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '--no-mtime', '--xattrs', 'https://www.youtube.com/watch?v=0coyhlG4HK4', '-o', '%(title)s [src %(uploader_id)s] [posted %(upload_date)s] [id %(id)s].%(ext)s']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.12.10
[debug] Python version 3.5.2 - Linux-4.10.0-42-generic-x86_64-with-Ubuntu-16.04-xenial
[debug] exe versions: ffmpeg 2.8.11-0ubuntu0.16.04.1, ffprobe 2.8.11-0ubuntu0.16.04.1
[debug] Proxy map: {}
[youtube] 0coyhlG4HK4: Downloading webpage
[youtube] 0coyhlG4HK4: Downloading video info webpage
[youtube] 0coyhlG4HK4: Extracting video information
[youtube] 0coyhlG4HK4: Downloading MPD manifest
[debug] Default format spec: bestvideo+bestaudio/best
[debug] Invoking downloader on 'https://r4---sn-n4v7knlz.googlevideo.com/videoplayback?keepalive=yes&mm=31&ipbits=0&ei=0gMxWoTIOoKw-gPOs6-YBA&ms=au&itag=248&mt=1513161599&mv=m&sparams=aitags%2Cclen%2Cdur%2Cei%2Cgir%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Ckeepalive%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Crequiressl%2Csource%2Cexpire&gir=yes&signature=6C588BAEB6752ED25AB3AD72C05D1D9B065D46D0.39AA10AC14995FE067858292BF38499B0B1010A5&ip=67.174.242.16&requiressl=yes&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278&id=o-AKdIQc_DnJX37rshWpwsSazuJw-4eYHUMt4ovqUfpFHm&lmt=1476404256720851&source=youtube&dur=890.764&key=yt6&mn=sn-n4v7knlz&initcwndbps=1595000&mime=video%2Fwebm&pl=22&clen=229121220&expire=1513183283&ratebypass=yes'
[download] Destination: Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].f248.webm
[download] 100% of 218.51MiB in 02:13
[debug] Invoking downloader on 'https://r4---sn-n4v7knlz.googlevideo.com/videoplayback?keepalive=yes&mm=31&ipbits=0&ei=0gMxWoTIOoKw-gPOs6-YBA&ms=au&itag=251&mt=1513161599&mv=m&sparams=clen%2Cdur%2Cei%2Cgir%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Ckeepalive%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Crequiressl%2Csource%2Cexpire&gir=yes&signature=C92C64F40832FB0ABD2DA853E8E2EAD48FC6183F.84853AD08A5E711AB3A9D51A38BA5306475EF3DE&ip=67.174.242.16&requiressl=yes&id=o-AKdIQc_DnJX37rshWpwsSazuJw-4eYHUMt4ovqUfpFHm&lmt=1476400343326805&source=youtube&dur=890.801&key=yt6&mn=sn-n4v7knlz&initcwndbps=1595000&mime=audio%2Fwebm&pl=22&clen=14448445&expire=1513183283&ratebypass=yes'
[download] Destination: Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].f251.webm
[download] 100% of 13.78MiB in 00:05
[ffmpeg] Merging formats into "Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].webm"
[debug] ffmpeg command line: ffmpeg -y -i 'file:Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].f248.webm' -i 'file:Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].f251.webm' -c copy -map 0:v:0 -map 1:a:0 'file:Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].temp.webm'
Deleting original file Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].f248.webm (pass -k to keep)
Deleting original file Is Reading a Form of Writing _ BOOK CLUB - Pierre Menard, Borges [src pbsideachannel] [posted 20161013] [id 0coyhlG4HK4].f251.webm (pass -k to keep)
[metadata] Writing metadata to file's xattrs
WARNING: There's no disk space left or disk quota exceeded. Extended attributes are not written.

[dstftw]

This is what seftattr returns when it hits ext4 4KiB xattr data limit. In your case it fails at writing user.dublincore.description as total size of xattrs exceeds 4KiB.

[NickSto]

Oh wow, okay, now I understand.

Is it maybe possible to tell it to try again w/o the description, or just omit it in the first place? Maybe as an option? I don't really care about the description, but it's nice to have the rest.

Actually, this sounds like something simple enough that I could maybe make the change.

[rolandog]

I tried using with the --xattr-set-filesize option, but I still got the same error.