[lkml]   [2007]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [linux-pm] [PATCH] Remove process freezer from suspend to RAM pathway
On Tue, Jul 03, 2007 at 12:03:33PM -0400, Alan Stern wrote:
> On Tue, 3 Jul 2007, 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.
> Quite apart from the sync() matter, _any_ synchronous call to a FUSE
> filesystem during STR will cause trouble. Even if the user task
> implementing the filesystem isn't frozen, when it tries to carry out
> some I/O to a suspended device it will either:
> block until the system wakes up, or

For the suspend to RAM case, that sounds absolutely fine.

Matthew Garrett |
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-07-03 18:07    [W:0.261 / U:24.388 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site