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From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Jose Goncalves <jose.goncalves@inov.pt>
Cc: Frederik Deweerdt <deweerdt@free.fr>,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: Serial related oops
Date: Thu, 1 Mar 2007 15:10:22 +0000	[thread overview]
Message-ID: <20070301151022.GA15447@flint.arm.linux.org.uk> (raw)
In-Reply-To: <45E6D628.90800@inov.pt>

On Thu, Mar 01, 2007 at 01:33:28PM +0000, Jose Goncalves wrote:
> I've also done your suggestion and I've inserted "msleep(10);" just
> before the "And clear the interrupt registers again for luck." and my
> application is now running without problems fore more than 24H! So,
> inserting a delay in this point definitely makes some difference (has
> was with adding some extra printk() in several points of
> serial8250_startup()).
> 
> This said, for me, this is definitely a software problem. The question
> is were?

I'm personally convinced it's hardware because according to my analysis
your CPU behaving in a way that the code is not asking it to do so.

Maybe others have some further insight; I certainly don't.

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

  reply	other threads:[~2007-03-01 15:10 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-20 13:29 Serial related oops Frederik Deweerdt
2007-02-19 13:45 ` Russell King
2007-02-20 14:24   ` Frederik Deweerdt
2007-02-19 14:35     ` Russell King
2007-02-20 14:48       ` Frederik Deweerdt
2007-02-19 15:05         ` Russell King
2007-02-19 16:29           ` Jose Goncalves
2007-02-19 16:42             ` Russell King
2007-02-19 17:54               ` Jose Goncalves
2007-02-19 20:37                 ` Michael K. Edwards
2007-02-19 20:51                   ` Russell King
2007-02-19 21:24                     ` Michael K. Edwards
2007-02-19 21:31                       ` Russell King
2007-02-19 22:16                         ` Michael K. Edwards
2007-02-19 23:20                           ` Russell King
2007-02-20  0:04                             ` Michael K. Edwards
2007-02-20  0:21                               ` Russell King
2007-02-20  2:17                                 ` Michael K. Edwards
2007-02-24  2:46                             ` Michael K. Edwards
2007-02-19 21:23                 ` Russell King
2007-02-21 14:13                   ` Jose Goncalves
2007-02-21 14:55                     ` Jose Goncalves
2007-02-21 22:53                     ` Frederik Deweerdt
2007-02-21 23:05                     ` Russell King
2007-02-22  0:34                       ` Michael K. Edwards
2007-02-22  8:54                         ` Russell King
2007-02-22 15:07                           ` Jose Goncalves
2007-02-22 16:56                             ` Russell King
2007-02-22 17:24                               ` jose.goncalves
2007-02-22  5:57                       ` H. Peter Anvin
2007-02-22  7:39                         ` Frederik Deweerdt
2007-02-22  8:52                         ` Russell King
2007-02-22 15:02                       ` Jose Goncalves
2007-02-22 17:03                         ` Russell King
2007-02-22 17:21                           ` jose.goncalves
2007-02-22 17:32                           ` Paul Fulghum
2007-03-01 13:33                           ` Jose Goncalves
2007-03-01 15:10                             ` Russell King [this message]
2007-03-01 15:24                               ` Jose Goncalves
     [not found] <fa.0IigYYV566ZB0kBHCj88jOEJx1s@ifi.uio.no>
     [not found] ` <fa.IE91N03KQO01UZbOdcF6HewOdYc@ifi.uio.no>
2007-02-20  2:48   ` Robert Hancock
2007-02-20  4:59     ` Michael K. Edwards
2007-02-20  5:18       ` Robert Hancock

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