Re: 2.6.23-mm1

From: Torsten Kaiser
Date: Sat Oct 13 2007 - 14:05:59 EST


On 10/13/07, Jeff Garzik <jeff@xxxxxxxxxx> 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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