Linux 2.4.4-ac5; hpt370 & new dma setup

Linux 2.4.4-ac5; hpt370 & new dma setup

[Ed Tomlinson]

thunder7@xs4all.nl wrote:

> On Fri, May 04, 2001 at 11:24:58PM +0100, Alan Cox wrote:
>> 
>> ftp://ftp.kernel.org/pub/linux/kernel/people/alan/2.4/
>> 
>> Intermediate diffs are available from
>> 
>> http://www.bzimage.org
>> 
>> Please test this code **carefully** if using an HPT366/370 IDE controller as
>> there are driver changes there. Otherwise its mostly just catching up with
>> the bugfixes.
>> 
>> 2.4.4-ac5
>> o	Fix DMA setup on hpt366/370			(Tim Hockin)
> 
> I see definite changes; on heavy disk-access I got the following:
> 
> hdg: timeout waiting for dma
> ide_dmaproc: chipset supported ide_dma_timeout func only:14
> hdg: irq timeout: status = 0x58 { DriveReady SeekComplete DataRequest}
> 
> this was repeated several times, and ide3 was being reset, but the
> kernel hung anyway after 5 minutes of waiting.
> 
> I must have an unlucky set of hardware (via chipset VP6 board, Live!,
> ibm drives).

Funny I have had the same problem with 2.4.4 only with a pdc20267 (reported
to lkml with topic '[BUG] pdc20267 and dma timeouts')  Is there some problem 
with resets on ide2/3?

TIA
Ed Tomlinson <tomlins@cam.org>

Ed Tomlinson

Re: [lkml]Linux 2.4.4-ac5; hpt370 & new dma setup

[thunder7]

On Sat, May 05, 2001 at 02:37:53PM -0400, Ed Tomlinson wrote:
> thunder7@xs4all.nl wrote:
> 
> >> 2.4.4-ac5
> >> o	Fix DMA setup on hpt366/370			(Tim Hockin)
> > 
> > I see definite changes; on heavy disk-access I got the following:
> > 
> > hdg: timeout waiting for dma
> > ide_dmaproc: chipset supported ide_dma_timeout func only:14
> > hdg: irq timeout: status = 0x58 { DriveReady SeekComplete DataRequest}
> > 
> > this was repeated several times, and ide3 was being reset, but the
> > kernel hung anyway after 5 minutes of waiting.
> > 
> > I must have an unlucky set of hardware (via chipset VP6 board, Live!,
> > ibm drives).
> 
> Funny I have had the same problem with 2.4.4 only with a pdc20267 (reported
> to lkml with topic '[BUG] pdc20267 and dma timeouts')  Is there some problem 
> with resets on ide2/3?
> 
I never saw it before, and this isn't the first time I've expired my
news-spool, did a make -j5 and a man -k at the same time.

Jurriaan
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