Re: sysrq-t dumps of s2ram/fuse deadlock (was Re: [PATCH] Remove process freezer from suspend to RAM pathway)

Matthew Garrett
2007-07-11T13:28:20Z

On Mon, Jul 09, 2007 at 01:29:05PM +0000, Pavel Machek wrote:
> Hi!
>
> Can we get them? They are neccessary for debugging 'what in suspend
> calls fuse' problem. And yes, that problem is there even when you
> remove freezer.

I can produce them, but haven't managed to do that in any way that lets
me get them off the system yet.

> Matthew, you seem to be the only one able to produce them...

sys_sync may not do anything on a fuse filesystem, but if you've
loopback-mounted an ext3 filesystem from that fuse filesystem then it's
going to result in writes to it and deadlock.

--
Matthew Garrett | mjg59@srcf.ucam.org