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Re: Got trap No.23 when booting mips32 ?

To: "wilbur.chan" <>
Subject: Re: Got trap No.23 when booting mips32 ?
From: "Kevin D. Kissell" <>
Date: Wed, 21 Oct 2009 17:50:38 -0700
Cc: Sergei Shtylyov <>,,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
User-agent: Thunderbird (X11/20090817)
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.


         Kevin K.

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