Re: [PATCH] Remove process freezer from suspend to RAM pathway

Miklos Szeredi
2007-07-03T06:51:07Z

> > Suspend to RAM on a machine with / on a fuse filesystem turns out to be
> > a screaming nightmare - either the suspend fails because syslog (for
> > instance) can't be frozen, or the machine deadlocks for some other
> > reason I haven't tracked down. We could "fix" fuse, or alternatively we
> > could do what we do for suspend to RAM on other platforms (PPC and APM)
> > and just not use the freezer.
>
> Only if you want to audit all character devices' read() and write()
> methods for races against suspend().
> / on fuse is a bad idea.

What makes / special? Why aren't all fuse filesystems affected?
Suspend isn't trying to do I/O on the root fs, is it?

Miklos