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From: Martin Dalecki <dalecki@evision-ventures.com>
To: John Langford <jcl@cs.cmu.edu>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	linux-kernel@vger.kernel.org, ahaas@neosoft.com,
	dave@zarzycki.org, ben.de.rydt@pandora.be
Subject: Re: BUG: 2.4.18 & ALI15X3 DMA hang on boot
Date: Sat, 23 Mar 2002 14:11:21 +0100	[thread overview]
Message-ID: <3C9C7EF9.8020307@evision-ventures.com> (raw)
In-Reply-To: <200203221956.g2MJuhK32671@gs176.sp.cs.cmu.edu>

John Langford wrote:
> I went nuts with printk statements and managed to isolate the hang to
> one particular line of code.  The final printk in this code fragment
> never gets executed.  
> 
>                 } else if (m5229_revision >= 0xC3) {
> 		        /*
>                          * 1553/1535 (m1533, 0x79, bit 1)
>                          */
>                         printk("ata66_ali15x3           } else if (m5229_revisi\on >= 0xC3) {\n");
>                         pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02);

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

pci_write_config to isa_dev???? This looks at least suspicious.
You may very well check whatever isa_dev is trully a PCI device
handle or just some random IO base for ISA bus!

>                 }
>                 printk("ata66_ali15x3 endif\n");
> 
> Art, Dave, and Ben may or may not have the same problem.  It would be
> interesting to know if they get a hang here.
> 
> Any ideas for fixing?

See above :-)


  parent reply	other threads:[~2002-03-23 13:13 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-21 20:47 BUG: 2.4.18 & ALI15X3 DMA hang on boot John Langford
2002-03-21 22:17 ` Alan Cox
2002-03-21 22:41   ` John Langford
2002-03-22  0:47   ` Dave Zarzycki
2002-03-22  1:43     ` John Langford
2002-03-22 20:46     ` John Langford
2002-03-23 13:25       ` Martin Dalecki
2002-03-23 14:19         ` John Langford
2002-03-23 14:22           ` Martin Dalecki
2002-03-23 14:51             ` Art Haas
2002-03-23 19:49             ` Dave Zarzycki
2002-03-24 22:47               ` Martin Dalecki
2002-03-22 10:55   ` Martin Dalecki
2002-03-22 11:24     ` Andre Hedrick
2002-03-22 11:50       ` Martin Dalecki
2002-03-22 15:59         ` John Langford
2002-03-23  5:16         ` Andre Hedrick
2002-03-23 13:05           ` Martin Dalecki
2002-03-25  2:26             ` Andre Hedrick
2002-03-22 13:25       ` Jens Axboe
2002-03-22 14:49       ` Alan Cox
2002-03-22 20:53         ` Andre Hedrick
2002-03-22 21:52           ` Andre Hedrick
2002-03-23  3:51           ` Ian Molton
2002-03-23  3:57             ` Ian Molton
2002-03-22 19:56     ` John Langford
2002-03-22 21:53       ` Vojtech Pavlik
2002-03-23 13:11       ` Martin Dalecki [this message]
2002-03-23 13:43         ` Jeff Garzik
2002-03-23 13:47           ` Martin Dalecki
2002-03-23 20:23         ` Vojtech Pavlik
2002-03-23 21:43         ` Andre Hedrick
2002-03-24 22:50           ` Martin Dalecki
2002-03-25  1:26             ` Andre Hedrick
2002-03-25  9:24               ` Vojtech Pavlik
2002-03-25  9:40                 ` Andre Hedrick

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