From: Lionel Bouton <Lionel.Bouton@inet6.fr>
To: Martin Zwickel <martin.zwickel@technotrend.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [QUESTION] hdparm -d1 on boot gives strange errors
Date: Thu, 24 Apr 2003 20:30:30 +0200 [thread overview]
Message-ID: <3EA82D46.6030604@inet6.fr> (raw)
In-Reply-To: <20030424101212.4687780c.martin.zwickel@technotrend.de>
Martin Zwickel wrote:
>Hi there!
>
>I'm running Gentoo, and on boot, a script enables DMA on all IDE-Devices.
>For my 1st disk on hdparm -d1 it waits 15secs and kernel gives strange errors.
>But for my 2nd disk it works ok.
>
>Any clues?
>
See below.
>Is it the damn SiS chipset?
>
>
>
Maybe but drive/chipset combination is more likely. The one being out of
spec is unknown to me.
Note :
What I don't understand is why you need the hdparm -d1 : from your boot
log, the kernel already set DMA for you.
> hda: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=9729/255/63, UDMA(100)
> hdb: 90069840 sectors (46116 MB) w/1916KiB Cache, CHS=5606/255/63, UDMA(100)
These come after (probably when hdparm -d1 is called)
hda: dma_timer_expiry: dma status == 0x61
hda: timeout waiting for DMA
hda: timeout waiting for DMA
hda: (__ide_dma_test_irq) called while not waiting
My clue :
> WDC WD800BB-00CAA1
Hum, I have a WDC WD800BB-32CCB0 here and it is the only one that wouldn't work correctly with my SiS735-based K7S5A (sometimes values returned by the drive including its id string had one bit forced to 1 or 0, had to reboot to fix the issue).
Try a different drive...
LB.
prev parent reply other threads:[~2003-04-24 18:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-24 8:12 [QUESTION] hdparm -d1 on boot gives strange errors Martin Zwickel
2003-04-24 8:19 ` Paul Rolland
2003-04-24 18:30 ` Lionel Bouton [this message]
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