linux-kernel - RE: Analyzed/Solved/Bisected: Booting 2.6.30-rc2-git7 very slow

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Message-ID: <0F5B06BAB751E047AB5C87D1F77A7788694630B931@GVW0547EXC.americas.hpqcorp.net>
Date:	Wed, 27 May 2009 18:18:46 +0000
From:	"Miller, Mike (OS Dev)" <Mike.Miller@...com>
To:	"Owens, James" <JOwens@...com>,
	Martin Knoblauch <knobi@...bisoft.de>
CC:	Matthew Wilcox <matthew@....cx>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Galbraith <efault@....de>,
	"viro@...IV.linux.org.uk" <viro@...IV.linux.org.uk>,
	"rjw@...k.pl" <rjw@...k.pl>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"tigran@...azian.fsnet.co.uk" <tigran@...azian.fsnet.co.uk>,
	Kay Sievers <kay.sievers@...y.org>,
	"shemminger@...tta.com" <shemminger@...tta.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: RE: Analyzed/Solved/Bisected: Booting 2.6.30-rc2-git7 very slow

> > 
> >  Finally, today I built the ccsii driver into the kernel. 
> It was previously modularized and loaded from initrd. The 
> second "sysfs" line went away. But does this make cciss 
> guilty? It is now loaded about 2 seconds earlier in the boot 
> sequence, which is a big change in timing I guess.
> > 
> >  Enlighten me :-)
> 
> No idea what is going on, but since I saw your May 20 
> message, I have been trying to wake up someone whose day job 
> it should be to care about dl380s and smartarrays. :)

What? I know Martin has pinged me in the past, but I do not think it was about this issue. If there's multiple sysfs entries for cciss I can't explain that offhand. We do little to nothing for sysfs in the driver.
Had something similiar happen recently where "/" changed to "!". Had do to with our nested directory structure, /dev/cciss/name vs /dev/name. But we did not make that change, either.

-- mikem

> 
> If they don't react soon, I'll make this my own day job to 
> try to reproduce it.  We will need hardware config details 
> and firmware revs to start.
> 
> So I would not close the bug just yet.
> 
> jim
> 
> --
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