linux-kernel - Re: 2.6.27-rc5-mmotm0829 - CONFIG_HID

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Message-ID: <17477.1220542322@turing-police.cc.vt.edu>
Date:	Thu, 04 Sep 2008 11:32:02 -0400
From:	Valdis.Kletnieks@...edu
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Alan Cox <alan@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.27-rc5-mmotm0829 - CONFIG_HID_COMPAT causes hangs at boot

On Thu, 04 Sep 2008 16:55:23 +0200, Jiri Slaby said:

> Hmm, *if* we stuck in request_module in hid, workqueue cannot be flushed and
> tty waits... Could you stick 2 printks into hid_compat_load if it finishes?

I severely doubt that it's going to finish, as it stayed stuck at that same
point for at least 10-15 minutes or so - it took a while for alt-sysrq-t to get
down to the tracemod because I booted with 'boot_delay=100', and then the
time to find paper and pen, write it down, etc..

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