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From: Edward King <edk@cendatsys.com>
To: Marek Michalkiewicz <marekm@amelek.gda.pl>, linux-kernel@vger.kernel.org
Subject: Re: 2.4.21 IDE problems (lost interrupt, bad DMA status)
Date: Tue, 01 Jul 2003 08:13:34 -0500	[thread overview]
Message-ID: <3F0188FE.90603@cendatsys.com> (raw)
In-Reply-To: <20030630221542.GA17416@alf.amelek.gda.pl>



Marek Michalkiewicz wrote:

>Hi,
>
>After upgrading the kernel from 2.4.20 to 2.4.21, sometimes I see
>the following messages:
>
>hda: dma_timer_expiry: dma status == 0x24
>hda: lost interrupt
>hda: dma_intr: bad DMA status (dma_stat=30)
>hda: dma_intr: status=0x50 { DriveReady SeekComplete }
>
>It happens especially when there is a lot of disk I/O (which stops
>for a few seconds when these messages appear), with three different
>disks (very unlikely they all decided to die at the same time...),
>  
>

Are you using software raid or devfs?

I was losing interrupts and disabling devfs removed the problem (very 
reproducable with software raid 5 -- never really tried much heavy disk 
use without raid.)

Edward King



  parent reply	other threads:[~2003-07-01 12:59 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-30 22:15 2.4.21 IDE problems (lost interrupt, bad DMA status) Marek Michalkiewicz
2003-06-30 22:16 ` Alan Cox
2003-07-01 19:45   ` Marek Michalkiewicz
2003-06-30 22:39 ` Danny ter Haar
2003-06-30 22:47 ` dmeyer
2003-07-02 10:34   ` joe briggs
2003-07-02 10:00     ` Herbert Xu
2003-07-01 13:13 ` Edward King [this message]
2003-07-01 19:53   ` Marek Michalkiewicz
2003-07-21 21:57 Ronald Wahl

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