From: Jose Goncalves <jose.goncalves@inov.pt>
To: Jose Goncalves <jose.goncalves@inov.pt>,
Frederik Deweerdt <deweerdt@free.fr>,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: Serial related oops
Date: Thu, 01 Mar 2007 15:24:34 +0000 [thread overview]
Message-ID: <45E6F032.2050501@inov.pt> (raw)
In-Reply-To: <20070301151022.GA15447@flint.arm.linux.org.uk>
Russell King wrote:
> 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.
>
It's not possible that a interrupt is hitting just after enabling
interrupts with "serial_outp(up, UART_IER, up->ier);" which triggers the
execution of some code that is not reported by the Oops dump (at least
with my current configuration) ?
José Gonçalves
next prev parent reply other threads:[~2007-03-01 15:24 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
2007-03-01 15:24 ` Jose Goncalves [this message]
[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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