linux-kernel - Re: echo mem > /sys/power/state

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Date:	Fri, 18 Jan 2008 08:45:52 +1100
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Zan Lynx <zlynx@....org>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Len Brown <lenb@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: echo mem > /sys/power/state

Hi.

Rafael J. Wysocki wrote:
> On Thursday, 17 of January 2008, Andrew Morton wrote:
>> On Thu, 17 Jan 2008 10:36:51 -0700 Zan Lynx <zlynx@....org> wrote:
>>
>>> On Wed, 2008-01-16 at 22:24 -0800, Andrew Morton wrote:
>>>> So I take everyone's latest and greatest product and injudiciously type the
>>>> above command.  The result five minutes later is at
>>>> http://userweb.kernel.org/~akpm/borkage.jpg.  See if you can count all the bugs.
>>>>
>>>> Sorry, but I've had it with this stuff and I'm tired of fixing everyone else's
>>>> stuff.  I'm just going to ship it.  Good luck.
>>> Heh.  Laptop suspend to anything has been so broken for so long in the
>>> -mm series on my Compaq R3000 that I didn't even know it was ever
>>> supposed to work.
>> It gets broken more often than anything else.  I do test each release on
>> two laptops and I get to do a lot of bisection searching and
>> grumpygramming as a result.
>>
>> Probably it would be more efficient to have the people who wrote the code
>> also test it.
> 
> Well, that would certainly help.
> 
> I do test all of my patches and generally all of the patches I sign off, but
> surely that's not enough.

It is far too easy to take a cursory glance, say 'That looks okay' and
move on to the next thing, isn't it? I was horrified when I saw the list
of acks etc (including me) on the commit with the helper_unlock issue we
just fixed. It's truly scary to think that none of us looked closely
enough to pick that up at the time.

Nigel
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