TMPFS does not support unix socket file?

[pluknet]

2008/5/11 Lin Jui-Nan Eric <ericlin at tamama.org>:
> Hi,
>
>  I am trying to replace my /tmp to TMPFS.
>  Everything is fine, but I found that MySQL does not run. The error log
>  shows that it cannot bind /tmp/mysql.sock.
>  Does TMPFS support unix socket file?

I've just checked tmpfs with unix with simple test case on my stable
and it works.
maybe permissions issue?

wbr,
pluknet