Re: [PROBLEM] UDMA66 hangs on boot-up (2.2.15+ide.patch & 2.3.99-pre8)

From: Dr J Pelan (J.Pelan@gatsby.ucl.ac.uk)
Date: Fri May 19 2000 - 09:25:22 EST


On Fri, 19 May 2000, Oleg Makarenko wrote:

> I have the same problem with hpt366 and Quantum Fireball LM disk and on
> 2.2.15+lates ide patch.

[snip]

> The workaround I have found is :
>
> #define SETFEATURES_CONTROL_REG (1)
>
> or by commenting out the lines
>
> if (IDE_CONTROL_REG)
> OUT_BYTE(drive->ctl | 2, IDE_CONTROL_REG);
>
> in ide-features.c/ide_config_drive_speed();

I can confirm that this removes the hang in the case of 2.3.99-pre8 and my
Promise Ultra66 hardware. It looks like Oleg has hit the nail on the head.
Well done ! Now it's back to Andre for his expert eye and a shiny new
patch...

John P.

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