Re: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lostticks on PM timer]

[Lee Revell]

On Wed, 2006-03-15 at 16:36 -0500, Bill Rugolsky Jr. wrote:
>    <...>-2913  0d.h.    9us : ata_host_intr (nv_interrupt)
>    <...>-2913  0d.h.    9us!: ata_bmdma_status (ata_host_intr)
>    <...>-2913  0d.h. 16641us : nv_check_hotplug_ck804 (nv_interrupt)
>    <...>-2913  0d.h. 16642us : _spin_unlock_irqrestore (nv_interrupt) 

There's your problem - it looks like ata_bmdma_status() stalled the
machine for almost 17ms.

Lee

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/