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From: Lee Revell <rlrevell@joe-job.com>
To: alsa-devel <alsa-devel@lists.sourceforge.net>
Cc: James Courtier-Dutton <James@superbug.co.uk>
Subject: Re: [PATCH] emu10k1: fix P16V breakage for non Audigy2 cards
Date: Wed, 16 Mar 2005 00:27:12 -0500	[thread overview]
Message-ID: <1110950832.19984.13.camel@mindpipe> (raw)
In-Reply-To: <1110950511.19984.9.camel@mindpipe>

On Wed, 2005-03-16 at 00:21 -0500, Lee Revell wrote:
> The P16V patch unconditionally checks the IPR2 register in the interrupt
> handler resulting in infinite loop and system lockup on any non Audigy2
> cards.  I really hate checking emu->is_audigy and emu->revision in a
> fast path like the IRQ handler but I don't see another way.
> 
> Also, don't bother allocating/freeing the DMA buffer for P16V unless
> it's really present.

Oh, one more thing: this patch restores the "unhandled interrupt"
printk() that was commented out by the P16V patch.  I am sure this was
useful for development but seems like a bad idea for production.

James, were you still getting unhandled interrupts with the version of
the patch that was merged?

Lee



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  reply	other threads:[~2005-03-16  5:27 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-16  5:21 [PATCH] emu10k1: fix P16V breakage for non Audigy2 cards Lee Revell
2005-03-16  5:27 ` Lee Revell [this message]
2005-03-16 21:28   ` James Courtier-Dutton
2005-03-17 15:53     ` Lee Revell
2005-03-17 15:58       ` Takashi Iwai
2005-03-17 16:00         ` Lee Revell
2005-03-17 16:20         ` Lee Revell
2005-03-17 16:41           ` Takashi Iwai
2005-03-17 16:48             ` Lee Revell
2005-03-18 19:52       ` James Courtier-Dutton
2005-03-18 19:54         ` Lee Revell
2005-03-18 19:56         ` Lee Revell
2005-03-17 14:11 ` [PATCH] emu10k1: fix misc oopses Thierry Vignaud
2005-03-17 15:02   ` Lee Revell
2005-03-17 16:01   ` Takashi Iwai

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