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From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Andrew Morton <akpm@osdl.org>
Cc: Marc Haber <mh+linux-kernel@zugschlus.de>, linux-kernel@vger.kernel.org
Subject: Re: ttyS0 not working any more, LSR safety check engaged
Date: Sat, 11 Nov 2006 22:04:43 +0000	[thread overview]
Message-ID: <20061111220442.GD28277@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20061111130656.c9bae39f.akpm@osdl.org>

On Sat, Nov 11, 2006 at 01:06:56PM -0800, Andrew Morton wrote:
> /proc/ioports and /proc/iomem might contain hints - can we see those please?

Only if someone is diddling with the resource system by using
insert_resource().  Serial keeps the port claimed as busy all the
time the port is registered with it.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core

  reply	other threads:[~2006-11-11 22:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-11 11:43 ttyS0 not working any more, LSR safety check engaged Marc Haber
2006-11-11 11:50 ` Russell King
2006-11-11 12:34   ` Marc Haber
2006-11-11 15:30     ` Russell King
2006-11-11 21:06       ` Andrew Morton
2006-11-11 22:04         ` Russell King [this message]
2006-11-14 12:34         ` Marc Haber
2006-11-21 12:18 ` Marc Haber

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