linux-kernel - Re: Bug in workqueues [was: Usb devices randomly aren't detected with 2.6.28-rc1-git1]

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Message-ID: <alpine.LFD.2.00.0810261204370.5200@nehalem.linux-foundation.org>
Date:	Sun, 26 Oct 2008 12:06:14 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"Mikko C." <mikko.cal@...il.com>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Alan Stern <stern@...land.harvard.edu>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...sign.ru>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: Bug in workqueues [was: Usb devices randomly aren't detected
 with 2.6.28-rc1-git1]



On Sun, 26 Oct 2008, Mikko C. wrote:
> 
> I guess next time I'll be more patient and wait a little more before trying a
> new kernel as soon as it's out :P

No, no, please do test. It's how we find these things. It got missed on 
most machines just because if you happened to have suspend enabled (or 
just hotplugging cpus in general), the cpu hotplug code would hide the 
problem.

So having people test things with their odd configs is all good. Even if 
it inevitably causes some wasted effort too...

		Linus
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