Re: timeout waiting for DMA

From: Daniela Engert (
Date: Tue Feb 27 2001 - 01:35:50 EST

Hi Jason!

On Mon, 26 Feb 2001 15:41:04 -0500 (EST), Jason Rappleye wrote:

>I'm running kernel 2.4.2 on an SGI 1100 (dual PIIIs) with a Serverworks
>III LE based motherboard. The disk is a Seagate ST330630A. The disk has
>DMA enabled at boot time :

>hda: ST330630A, ATA DISK drive
>hda: 59777640 sectors (30606 MB) w/2048KiB Cache, CHS=3720/255/63, UDMA(33)

>but after a while (eg partway through running bonnie with a 1GB file) I
>get the following errors:

>Feb 24 22:51:02 nash2 kernel: hda: timeout waiting for DMA
>Feb 24 22:51:02 nash2 kernel: ide_dmaproc: chipset supported ide_dma_timeout
>func only: 14
>Feb 24 22:51:02 nash2 kernel: hda: irq timeout: status=0x58 { DriveReady
>SeekComplete DataRequest }
><repeats a few times>
>Feb 24 22:51:32 nash2 kernel: hda: DMA disabled

>I can reenable DMA without any problems, but after some additional disk
>activity (eg running bonnie again), the error occurs again.

>Additional information on my hardware is given below. Any suggestions on
>how this can be resolved?

Reduce the IDE channel speed to UltraDMA mode 1 or less.


Daniela Engert, systems engineer at MEDAV GmbH
Gräfenberger Str. 34, 91080 Uttenreuth, Germany
Phone ++49-9131-583-348, Fax ++49-9131-583-11

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This archive was generated by hypermail 2b29 : Wed Feb 28 2001 - 21:00:13 EST