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Date: Wed, 20 Feb 2008 16:46:32 -0800 From: Greg KH <gregkh@...e.de> To: Nigel Cunningham <nigel@...el.suspend2.net> Cc: Matthew Garrett <mjg59@...f.ucam.org>, Jesse Barnes <jesse.barnes@...el.com>, Linus Torvalds <torvalds@...ux-foundation.org>, "Rafael J. Wysocki" <rjw@...k.pl>, Jeff Chua <jeff.chua.linux@...il.com>, lkml <linux-kernel@...r.kernel.org>, Dave Airlie <airlied@...ux.ie>, linux-acpi@...r.kernel.org, suspend-devel List <suspend-devel@...ts.sourceforge.net> Subject: Re: 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green. On Thu, Feb 21, 2008 at 11:40:06AM +1100, Nigel Cunningham wrote: > Hi. > > Matthew Garrett wrote: >> On Thu, Feb 21, 2008 at 09:45:02AM +1100, Nigel Cunningham wrote: >>> - people keep talking about hibernating to an ext3 fs mounted on fuse as >>> a limitation of the freezer. To do that with kexec, you're still going to >>> have to bmap the ext3 fs and pass the block list (in which case we can >>> also do it without kexec) or umount all the ext3/fuse part and remount in >>> the kexec'd kernel. Sort of defeats the purpose, doesn't it? >> No, with a freezer-based model you can basically *never* suspend to >> anything related to FUSE or a userspace USB device or anything involving >> userspace iSCSI initiators or whatever. Sure, there are cases where moving >> away from the current model doesn't buy you anything, but that doesn't >> mean that the current model is a good thing. It's not. The freezer is a >> fundamentally broken concept. > > Putting drivers and filesystems in userspace is the fundamentally broken > concept. Not just when it comes to the freezer. The whole idea is > inherently racy. Racy with regards to other things becides trying to suspend a machine? If so, what? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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