linux-kernel - Re: 2.6.21-rc6-mm1 USB related boot hang

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Message-Id: <20070411134346.d10765da.akpm@linux-foundation.org>
Date:	Wed, 11 Apr 2007 13:43:46 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Helge Hafting <helgehaf@...el.hist.no>
Cc:	linux-kernel@...r.kernel.org, linux-usb-devel@...ts.sourceforge.net
Subject: Re: 2.6.21-rc6-mm1 USB related boot hang

On Wed, 11 Apr 2007 21:42:27 +0200
Helge Hafting <helgehaf@...el.hist.no> wrote:

> 2.6.21-rc6-mm1 locks up during boot.
> The last message is:
> usbcore: registered new interface driver hiddev
> 
> Then it hangs so hard that not even sysrq+B have any effect.
> 
> With 2.6.18-rc5-mm1, the next messages I normally get are:
> usbcore: registered new interface driver usbhid
> drivers/usb/input/hid-core.c: v2.6:USB HID core driver
> usbcore: registered new interface driver usbserial
> 
> This is a x86-64 single processor
> 

OK.  If you add initcall_debug to the kernel boot command line, what's the
last thing we call?

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