linux-kernel - Re: 2.6.23-mm1

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Date:	Sat, 13 Oct 2007 20:05:19 +0200
From:	"Torsten Kaiser" <just.for.lkml@...glemail.com>
To:	"Jeff Garzik" <jeff@...zik.org>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	"Kuan Luo" <kluo@...dia.com>, "Peer Chen" <pchen@...dia.com>
Subject: Re: 2.6.23-mm1

On 10/13/07, Jeff Garzik <jeff@...zik.org> wrote:
> Torsten Kaiser wrote:
> > 3 boots, all worked. So I'm very sure that was the bug, but I will now
> > do a little load testing...
> >
> > The only strange thing about 2.6.23-mm1 is, that it takes ~4 second
> > more to boot.
>
> So, you basically applied the attached patch?
>
> Yeah, absence of qc_defer for an NCQ-capable chip would do it.

Yes. The system seems to work correctly now.

The only thing I noted during load testing (updating Gentoo ==
compiling and installing) was, that there seems to be memory leak.
After ~2h 2.5 of my 4Gb where gone. But there where to many things
going on to pinpoint it... (NFSv4 over eth1394?)

> diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
> index cf5c85e..240a892 100644
> --- a/drivers/ata/sata_nv.c
> +++ b/drivers/ata/sata_nv.c
> @@ -554,6 +554,7 @@ static const struct ata_port_operations nv_swncq_ops = {
>         .bmdma_start            = ata_bmdma_start,
>         .bmdma_stop             = ata_bmdma_stop,
>         .bmdma_status           = ata_bmdma_status,
> +       .qc_defer               = ata_std_qc_defer,
>         .qc_prep                = nv_swncq_qc_prep,
>         .qc_issue               = nv_swncq_qc_issue,
>         .freeze                 = nv_mcp55_freeze,
>
>
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