Re: SATA Cold Boot problems on >2.6.25 with NV

[Tejun Heo <tj@kernel.org>]

Konstantin Kletschke wrote:
> Am 2008-10-01 01:47 +0900 schrieb Tejun Heo:
>> Please apply the attached patch and see whether the problem goes
>> away.
> 
> I will take care of this this evening.
> 
>> Also, can you test whether hotplug works with the patch applied?
> 
> Erm... I never did Hotplug on SATA, should I plug out the Disk out of
> the Mainboard Connector to see what happens? I suspect I need another
> additional disk the or a live-usb linux with this Kernel...

Or you can boot into single mode, ro mount / with kernel messages
redirected to console and hot unplug/plug the root disk and see what
happens.

> Should this 
> 
>> diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
>> index 14601dc..18f81d2 100644
>> +++ b/drivers/ata/sata_nv.c
>> @@ -433,6 +433,7 @@ static struct ata_port_operations nv_nf2_ops = {
>>  	.inherits		= &nv_common_ops,
>>  	.freeze			= nv_nf2_freeze,
>>  	.thaw			= nv_nf2_thaw,
>> +	.hardreset		= ATA_OP_NULL,
>>  };
>>  
>>  static struct ata_port_operations nv_ck804_ops = {
> 
> go onto vanilla 2.6.27_rc7 WITH or withOUT
> sata_nv-reinstate-nv_hardreset.patch?

With.

Thanks.

-- 
tejun