From: Yi Qingliang <niqingliang2003@gmail.com>
To: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Cc: linux-serial@vger.kernel.org
Subject: Re: close /dev/console casue 30seconds' hang
Date: Sun, 20 Jan 2013 20:53:38 +0800 [thread overview]
Message-ID: <6093467.AFuYjWa6KM@ll-pc> (raw)
In-Reply-To: <20130120130025.7bba6cdf@x60.lan>
n Sunday, January 20, 2013 01:00:25 PM Denis 'GNUtoo' Carikli wrote:
> On Sun, 20 Jan 2013 19:28:42 +0800
>
> Yi Qingliang <niqingliang2003@gmail.com> wrote:
> > I'm running 3.6.9 kernel on my s3c2442 board.
> > the sysvinit freeze 30seconds after print out "INIT:",
> > and then freeze 30seconds after print out "version 2.88 booting".
> > I checked it's code, the 'close(fd)' should be responsible for that.
>
> I had the exact same problem while trying to boot a recent
> mainline kernel on the GTA02.
>
> I tried to bisect it many times but I failed because the problem was in
> a reagion that I had to skip...
I also tried to open INITDEBUG and DEBUG in sysvinit's init.h, can solve this
problem.
the INITDEBUG will fork a process, and then the close(fd) will not call
release in tty driver.
I have checked the state of uart fifo, if the pclk is 00, it looks like the fifo
works abnormally.
>
> Denis.
next prev parent reply other threads:[~2013-01-20 12:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-20 11:28 close /dev/console casue 30seconds' hang Yi Qingliang
2013-01-20 12:00 ` Denis 'GNUtoo' Carikli
2013-01-20 12:50 ` Yi Qingliang
2013-01-20 12:53 ` Yi Qingliang [this message]
2013-01-20 12:57 ` Yi Qingliang
2013-01-20 15:27 ` Denis 'GNUtoo' Carikli
2013-01-21 13:09 ` Yi Qingliang
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