On Mon, 10 Nov 2008 12:35:20 +0100 Elias Oltmanns wrote:
> Evgeni Golov <sargentd@xxxxxxxxxxxx> wrote:
> > On Mon, 10 Nov 2008 18:00:18 +0900 Tejun Heo wrote:
> >
> >> Is the phy event before or after head unloading?
> >
> > How do I check this?
>
> # dmesg
> # echo 3000 > /sys/block/sda/device/unload_heads &
> # dmesg
>
> The first call to dmesg is only to make sure that it is in the cache so
> the second won't be blocked by the park request.
Okay, I get the following as soon I issue unload:
ata1: exception Emask 0x10 SAct 0x0 SErr 0x50000 action 0xf
ata1: SError: { PHYRdyChg CommWake }
ata1: hard resetting link
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: SError: 0x0
The rest comes a bit later.
HTH
Evgeni
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