Re: 2.5.65-ac2 -- hda/ide trouble on ICH4

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sat Mar 22 2003 - 11:35:05 EST


On Sat, 2003-03-22 at 14:03, Dominik Brodowski wrote:
> hda: host protected area => 1
> hda: 160836480 sectors (82348 MB) w/1863KiB Cache, CHS=159560/16/63, UDMA(100)
> hda: [PTBL] [10011/255/63] hda1 hda2 hda3 hda4 < hda5 hda6 hda7 hda8 hda9 >
>
> and *deadlock*...

Where is the lock, what does the NMI oopser show ?

> in plain 2.5.65 I was seeing strange error messages like:
>
> Mar 19 20:29:55 mondschein kernel: hda: dma_timer_expiry: dma status == 0x24
> Mar 19 20:29:55 mondschein kernel: hda: lost interrupt
> Mar 19 20:29:55 mondschein kernel: hda: dma_intr: bad DMA status (dma_stat=30)
> Mar 19 20:29:55 mondschein kernel: hda: dma_intr: status=0x52 { DriveReady SeekComplete Index }
> Mar 19 20:29:55 mondschein kernel:

I've seen 3 or 4 reports of this, none of them duplicatable with the same IDE
code on 2.4 so far. Which is odd but I don't yet understand what is going on.

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