Re: AHCI problem with hotplug

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Robert Hancock wrote:
> Tony Battersby wrote:
>>> The BIOS could be tristating the ports.  Does it work if you issue
>>> manual rescan (echo - - - > /sys/class/scsi_host/hostN/scan)?
>>>   
>> No luck.  I get:
>>
>> ata1: hard resetting link
>> ata1: SATA link down (SStatus 0 SControl 0)
>> ata1: EH complete
>>
>> And the drive isn't seen.
> 
> Well, if the controller reports link down there likely isn't much the
> kernel can do about it. I assume that ata1 is in fact where that drive
> gets detected if it's plugged in at boot - you could try all the other
> hosts to be sure..

This is consistent with the BIOS tristating those ports.  I don't
remember the name of the register.  I'll look it up later.

Thanks.

-- 
tejun
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