From: "Antonino A. Daplas" <adaplas@gmail.com>
To: linux-fbdev-devel@lists.sourceforge.net
Cc: "Geert.Uytterhoeven" <Geert.Uytterhoeven@sonycom.com>,
Geoff Levand <geoffrey.levand@am.sony.com>
Subject: Re: unregister_framebuffer() and cursor
Date: Fri, 04 May 2007 17:42:02 +0800 [thread overview]
Message-ID: <1178271722.4722.11.camel@daplas> (raw)
In-Reply-To: <Pine.LNX.4.62.0705041045310.9684@pademelon.sonytel.be>
On Fri, 2007-05-04 at 10:50 +0200, Geert Uytterhoeven wrote:
> Hi,
>
> It looks like unregister_framebuffer() doesn't cause fbcon_del_cursor_timer()
> to be called.
>
> Hence if cursor_timer_handler() runs, it will try to schedule work on
> fb_info.queue, which is no longer valid, and queue_work() will BUG_ON().
>
> Or am I missing something?
The console cursor is not part of fbdev. fbcon_del_cursor_timer() is
done in fbcon_exit() in fbcon.c. You cannot (or, rather, should not)
call unregister_framebuffer() unless fbcon unbinds the underlying
driver.
Tony
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next prev parent reply other threads:[~2007-05-04 9:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 8:50 unregister_framebuffer() and cursor Geert Uytterhoeven
2007-05-04 9:42 ` Antonino A. Daplas [this message]
2007-05-25 10:13 ` Geert Uytterhoeven
2007-05-25 21:25 ` Antonino A. Daplas
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