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

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Message-ID: <c6b1100b0806091435w1b151bb8lb6dd13f4ac8e705a@mail.gmail.com>
Date:	Mon, 9 Jun 2008 22:35:32 +0100
From:	"Chris Clayton" <chris2553@...glemail.com>
To:	"Alan Stern" <stern@...land.harvard.edu>
Cc:	"Stefan Richter" <stefanr@...6.in-berlin.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"SCSI development list" <linux-scsi@...r.kernel.org>,
	"USB list" <linux-usb@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"James Bottomley" <James.Bottomley@...senpartnership.com>,
	"Hannes Reinecke" <hare@...e.de>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux1394-devel@...ts.sourceforge.net
Subject: Re: 2,6.26-rc4-git2 - long pause during boot

2008/6/9 Alan Stern <stern@...land.harvard.edu>:
> On Mon, 9 Jun 2008, Stefan Richter wrote:
>

Sorry folks, I'm unexpectedly away from the computers that these
"problems" occur on.

I should be back at home tomorrow and will answer you all as quickly
as possible then.

Thanks,

Chris

>> The log at http://lkml.org/lkml/2008/6/6/317 shows two pauses.  One in
>> the middle of USB related messages with no FireWire stuff around
>> (17:25:19 to 17:25:44).  The other with parport, ieee1394, USB messages
>> around it (17:25:44 to 17:26:31).
>>
>>  From there, the last 17:25:44 message is strange:  The device
>> 00110666000013cc which is the controller is reported as being removed.
>> Chris, did you do something at this point?
>
> It's also worth noting that the first 17:25:44 message is highly
> suspicious.  It is the initial output of the ohci-hcd driver,
> indicating that the udev/hotplug system had just loaded that driver.
> This doesn't seem to have anything to do with the SCSI stack.
>
> Whatever caused the delay, it also managed to pause the other hotplug
> task which was in the midst of loading uhci-hcd.
>
> Alan Stern
>
>



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