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

Benjamin Herrenschmidt
2007-07-03T05:51:27Z

On Tue, 2007-07-03 at 05:29 +0100, Matthew Garrett wrote:
> 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.

The main reason for deadlocks is because we do a sys_sync() after the
freeze, which we shouldn't do.

Ben.