linux-kernel - Re: 2,6.26-rc4-git2 - long pause during boot

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Message-Id: <1213212282.3461.9.camel@localhost.localdomain>
Date:	Wed, 11 Jun 2008 14:24:42 -0500
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Greg KH <greg@...ah.com>
Cc:	Chris Clayton <chris2553@...glemail.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org,
	Hannes Reinecke <hare@...e.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-usb@...r.kernel.org,
	Stefan Richter <stefanr@...6.in-berlin.de>
Subject: Re: 2,6.26-rc4-git2 - long pause during boot

On Wed, 2008-06-11 at 12:15 -0700, Greg KH wrote:
> On Wed, Jun 11, 2008 at 06:58:05PM +0000, Chris Clayton wrote:
> > Jun 11 17:48:13 upstairs udevd-event[1457]: wait_for_sysfs: wait for '/sys/devices/pci0000:00/0000:00:1e.0/0000:02:0a.2/usb11/11-2/11-2:1.0/host4/ioerr_cnt' for 20 mseconds 
> > Jun 11 17:48:18 upstairs last message repeated 236 times
> 
> This doesn't look good.  It looks like a udev rule in your system is
> looking for a file that will never show up.  That's a short way to a
> long delay time :)
> 
> Try commenting out the rule that does this and see if things are fixed.

Actually, there's something seriously wrong here:  ioerr_cnt is a
property of the device, not of the host (as in it will never appear
under .../host4 but under .../host4/targetX:X:X/4:X:X:X/ioerr_cnt).
Perhaps an investigation of why udevd-event is looking under host4/ is
in order.

James


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