From: "Kevin D. Kissell" <kevink@paralogos.com>
To: "wilbur.chan" <wilbur512@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>,
ddaney@caviumnetworks.com, linux-mips@linux-mips.org
Subject: Re: Got trap No.23 when booting mips32 ?
Date: Wed, 21 Oct 2009 17:50:38 -0700 [thread overview]
Message-ID: <4ADFAC5E.5020506@paralogos.com> (raw)
In-Reply-To: <e997b7420910211704w67517b3bud6f4757a35945ba@mail.gmail.com>
wilbur.chan wrote:
> Kernal didn't resgister IRQ 23 when booting. Hmm....the only '23'
> number I can find in kernel is in traps.c.
>
> Why a 23 IRQ was triggered?
>
>
The usual reason would be a failure to correctly initialize an interrupt
controller, or the Status.IM mask field. The kernel complains precisely
*because* IRQ 23 wasn't registered, but an interrupt was nevertheless
delivered that was decoded as being that IRQ.
Regards,
Kevin K.
next prev parent reply other threads:[~2009-10-22 0:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-21 14:40 Got trap No.23 when booting mips32 ? wilbur.chan
2009-10-21 16:09 ` David Daney
2009-10-22 0:02 ` wilbur.chan
2009-10-21 16:12 ` Sergei Shtylyov
2009-10-22 0:04 ` wilbur.chan
2009-10-22 0:50 ` Kevin D. Kissell [this message]
2009-10-22 14:55 ` wilbur.chan
2009-10-22 16:03 ` David Daney
-- strict thread matches above, loose matches on Subject: below --
2009-10-22 20:16 David VomLehn
2009-10-23 10:25 ` wilbur.chan
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