linux-kernel - Re: suspend slow in 2.6.25-rc6 (was Re: Suspend and hibernation patchset against -rc6)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 19 Mar 2008 21:58:12 +0100
From:	Pavel Machek <pavel@....cz>
To:	Alexey Starikovskiy <astarikovskiy@...e.de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	David Brownell <david-b@...bell.net>, Greg KH <greg@...ah.com>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Shaohua Li <shaohua.li@...el.com>,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: suspend slow in 2.6.25-rc6 (was Re: Suspend and hibernation
	patchset against -rc6)

On Wed 2008-03-19 23:35:10, Alexey Starikovskiy wrote:
> Pavel Machek wrote:
>> Hi!
>>
>>>> Ok, 7c0... is innocent. Reverting not only the mdelay, but also rest
>>>> of drivers/acpi/ec.c patch fixed the
>>>> "rc6-breaks-backlight-in-X-over-lid-close", good.
>>> Can you clarify a bit?
>>>
>>> Do you mean that the full revert of 2c81ce4 that already got committed is 
>>> sufficient for you, or do you need to totally undo everything we've done 
>>> to ec.c since -rc5, and thus also to revert the _other_ revert we did (in 
>>> 4af8e10a6c57e7292862bd1703712f0565c7e429)?
>>
>> I did some more testing, and realized I was wrong. We need to totally
>> undo everything we've done to ec.c since -rc5... (that has small
>> sideffect of brightness up/down keys no longer working -- regression
>> since 2.6.24, but saves us from "backlight gone after
>> closing/reopening lid" which is _NASTY_ regression from 2.6.25-rc5).
>>
>> ACPI sucks.
>>
>> I.e. this patch:
>>
>>
>> Revert ec.c to 2.6.25-rc5 state:
>>
>> * this fixes backlight after closing/reopening the lid while in X on
>> thinkpad x60
>>
>> * unfortunately it breaks fn-home/end keyboard brightness control
> It should also break volume up/down/mute keys. Essentially all the keys on Thinkpad.
> And it would also be regression to 2.6.24 level.

As I explained above.

Unfortunately, applying this means I loose screen as soon as I
close/reopen lid. 2.6.24 did not behave like that. And it makes my
machine mostly unusable -- as soon as you try to carry it away, you
loose video. BAD.
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
pomozte zachranit klanovicky les:  http://www.ujezdskystrom.info/
--
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/