Re: regression between 2.4.18 and 2.4.21/22

[Justin Hibbits]

On Monday, Oct 6, 2003, at 15:06 America/New_York, Bartlomiej 
Zolnierkiewicz wrote:

> Your /dev/hda (IBM DeskStar 60GXP) is not in DMA mode because
> you don't have support for your IDE controller compiled-in.
> Going from 2.4.21 you have to explicitely enable support for IDE 
> chipsets.
> Assumption that current .config file will work with future kernel 
> versions
> is not true.  Please compile kernel with driver for your on-board IDE 
> chipset
> (I deducted from your dmesg that it is VIA82CXXX IDE driver).
>
> Please report back if this cures your problem,
>
> Thanks,
> --bartlomiej
>
> On Monday 06 of October 2003 01:38, Justin Hibbits wrote:
> > On Sunday, Oct 5, 2003, at 19:22 America/New_York, Bartlomiej
> >
> > Zolnierkiewicz wrote:
> > > Please narrow down kernel version if you want your problem to be 
> > > cared.
> > >
> > > Try 2.4.19, 2.4.20.  There are also intermediate prepatches at
> > > http://www.kernel.org/pub/linux/kernel/v2.4/testing/old/
> > >
> > > dmesg output and .config can also be useful.
> > >
> > > --bartlomiej
> > >
> > > On Sunday 05 of October 2003 22:21, Justin Hibbits wrote:
> > > > Something very strange is going on with my machine.  With 2.4.18, I
> > > > was
> > > > getting 38MB/s on my main system disk (IBM Deskstar 60gxp), and 35 
> > > > for
> > > > the other drives (Western Digital).  The IBM drive is on a Promise 
> > > > IDE
> > > > controller (ASUS A7V266-E motherboard), and the others are on a
> > > > PROMISE
> > > > 2069 UDMA133 controller.  However, with 2.4.21 and 2.4.22, it will 
> > > > not
> > > > set the using_dma flag for my IBM drive, but sets it for the others,
> > > > which now get sustained transfer rates of 46MB/s or greater.  I'm
> > > > using
> > > > the same options for all 3 kernels (at least, for the ATA/IDE
> > > > options).
> > > >   Any help would be appreciated, and I'll see if maybe I could do
> > > > something with it when I get time.
> >
> > Ok, I tried 2.4.19, which I thought was pretty bad because it randomly
> > crashed all the time, and it worked just fine with all my drives.
> > 2.4.20 with the wolk-4.0 patch also worked.  So, I'm guessing it was
> > between 2.4.20 and 2.4.21....I could try all the prepatches as well,
> > and narrow down exact prepatch, will take some time.  dmesg output for
> > 2.4.21 follows (uses a patchset for XFS, sensors, etc), along with my
> > config, both compressed.

Thanks Bartlomeij, building that driver helped.  Curious though, since 
it's using the PROMISE chip, or should be, since, according to my 
motherboard's manual, the PROMISE chip is the only IDE chip there.

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