No space left, although 16G are there

Ahmed Kamal
2009-11-26T21:41:09Z

Hi folks,
I am running a Fedora-12 system (2.6.31.5-127.fc12.x86_64) with a
btrfs root fs. While running a "yum upgrade" with around 200MB of
updates, the system became significantly slow (3 seconds for Chrome to
scroll down after hitting space bar!) and I noticed in
/var/log/messages

Nov 26 22:12:08 localhost kernel: no space left, need 61440, 18579456
delalloc bytes, 10387451904 bytes_used, 0 bytes_reserved, 0
bytes_pinned, 0 bytes_read only, 0 may use 10406068224 total

Although "df -h" shows 16G of free space for the root fs. I thought
I'd report this. Let me know if you want more diagnostics.

Regards