From: Pavel Machek <pavel@suse.cz>
To: Michael Frank <mflt1@micrologica.com.hk>
Cc: Nigel Cunningham <ncunningham@clear.net.nz>,
swsusp-devel <swsusp-devel@lists.sourceforge.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Swsusp-devel] Re: Thoughts wanted on merging Software Suspend enhancements
Date: Sun, 13 Jul 2003 21:29:19 +0200 [thread overview]
Message-ID: <20030713192919.GC570@elf.ucw.cz> (raw)
In-Reply-To: <200307140207.47711.mflt1@micrologica.com.hk>
Hi!
> > > > > - user can abort at any time during suspend (oh, I forgot, I wanted
> > > > > to...) by just pressing Escape
> > > >
> > > > That seems like missfeature. We don't want joe random user that is at
> > > > the console to prevent suspend by just pressing Escape. Maybe magic
> > > > key to do that would be acceptable...
>
> Dumb question applicable to 9x% of computers: how do you secure the suspend
> switch and OFF switch, not to mention the power plug or the battery?
>
> As to security many portables have a bios password and no other passwords
> thereafter for the user account. The abort feature events could be enabled
> via swsusp proc entry mainly for (desktop) security. Also, then you ought
> to think about securing suspend events (don't swsusp the webserver
> please)!
Only root can write to /proc/acpi/sleep, so there's no problem.
And having config variable just for escape during suspend is ugly.
> In practice, when suspending, in many cases one would like to abort. Suspend
> should be abortable by ESC and post 1.0: the lid switch and/or suspend switch.
> If you think about it it makes sense to abort suspend instead of having
> to wait 15-40 seconds and reenter the bios password and wait another 10-30
> seconds. (assuming 2.4 speeds)
>
> The way I would use S3/S4 is reboot only for a new kernel, and really use the
> machine portably much more. S3 would be used for short suspends and S4 for
> longer suspends.
>
> In short, this is an _important_ feature _as_ much as S3 and S4.
If you say that aborting with Esc is as important as having swsusp in
the first place... that's not true.
Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
next prev parent reply other threads:[~2003-07-13 19:14 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-11 22:45 Thoughts wanted on merging Software Suspend enhancements Nigel Cunningham
2003-07-12 14:00 ` Pavel Machek
2003-07-12 14:55 ` Nigel Cunningham
2003-07-12 15:37 ` Pavel Machek
2003-07-12 19:38 ` Nigel Cunningham
2003-07-12 20:15 ` Pavel Machek
2003-07-12 20:22 ` [Swsusp-devel] " Nigel Cunningham
2003-07-12 22:52 ` Pavel Machek
2003-07-13 2:17 ` Jan Rychter
2003-07-12 20:20 ` Nigel Cunningham
2003-07-12 22:56 ` Pavel Machek
2003-07-13 13:27 ` Jamie Lokier
2003-07-13 19:23 ` Pavel Machek
2003-07-13 19:29 ` Jamie Lokier
2003-07-13 18:17 ` [Swsusp-devel] " Michael Frank
2003-07-13 19:29 ` Pavel Machek [this message]
2003-07-12 22:34 ` Dmitry Torokhov
2003-07-12 22:51 ` Pavel Machek
2003-07-13 13:35 ` Jamie Lokier
2003-07-13 19:31 ` Pavel Machek
2003-07-13 21:01 ` [Swsusp-devel] " Nigel Cunningham
2003-07-13 21:09 ` Pavel Machek
2003-07-13 21:21 ` Jan Rychter
2003-07-14 1:54 ` Nigel Cunningham
2003-07-14 3:41 ` Michael Frank
2003-07-14 13:11 ` Pavel Machek
2003-07-14 17:30 ` Jan Rychter
2003-07-14 18:44 ` Nigel Cunningham
2003-07-14 20:12 ` Vojtech Pavlik
2003-07-14 20:18 ` Pavel Machek
2003-07-14 20:30 ` Nigel Cunningham
2003-07-14 20:43 ` Pavel Machek
2003-07-14 21:20 ` Nigel Cunningham
2003-07-14 20:41 ` Vojtech Pavlik
[not found] ` <20030714230219.GB11283@elf.ucw.cz>
2003-07-15 6:36 ` Vojtech Pavlik
2003-07-15 10:08 ` Pavel Machek
2003-07-15 11:11 ` Markus Gaugusch
2003-07-15 11:31 ` Pavel Machek
[not found] ` <Pine.LNX.4.53.0307132305500.1090@phoenix.kerstin.at>
2003-07-14 1:15 ` Jamie Lokier
2003-07-14 1:26 ` Lyle Seaman
2003-07-14 1:43 ` Jamie Lokier
2003-07-14 1:55 ` Lyle Seaman
2003-07-14 1:57 ` Nigel Cunningham
2003-07-14 2:17 ` Lyle Seaman
2003-07-14 20:10 ` Vojtech Pavlik
2003-07-14 20:21 ` Nigel Cunningham
2003-07-14 20:29 ` Pavel Machek
2003-07-14 20:32 ` Nigel Cunningham
2003-07-14 20:38 ` Pavel Machek
2003-07-15 16:23 ` Kent Borg
2003-07-15 16:27 ` Pavel Machek
2003-07-15 17:27 ` Jamie Lokier
2003-07-15 19:05 ` Nigel Cunningham
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