Re: System fails to connect to iHOS-104 DVD drive with nvidia MCP61 chipset.

[Bruce Link <Bruce@1045.ca>]

On 8/24/2013 10:54 AM, Bruce Link wrote:
> On 8/23/2013 10:11 PM, Robert Hancock wrote:
>> On Fri, Aug 23, 2013 at 6:34 PM, Bruce Link <Bruce@1045.ca> wrote:
>>>> On 8/18/2013 2:05 AM, Robert Hancock wrote:
>>>>> On Sat, Aug 17, 2013 at 11:32 AM, Bruce Link <Bruce@1045.ca> wrote:
>>>>>> On 8/15/2013 9:47 PM, Bruce Link wrote:
>>>>>>> On 8/15/2013 12:36 AM, Robert Hancock wrote:
>>>>>>>> On Wed, Aug 14, 2013 at 4:17 PM, Bruce Link <Bruce@1045.ca> wrote:
>>>>>>>>>> These NVIDIA SATA controllers are a pain as they all seem to 
>>>>>>>>>> have a
>>>>>>>>>> different set of bugs related to hardreset, etc. What happens 
>>>>>>>>>> if you
>>>>>>>>>> boot up
>>>>>>>>>> without the drive connected and then plug in the cable after 
>>>>>>>>>> the system
>>>>>>>>>> boots up?
>>>>>>>>> Roughly the same error is returned. See below for the dmesg 
>>>>>>>>> output.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> root@teevee:/sys/devices/pci0000:00/0000:00:06.0/ata1/host0/scsi_host/host0# 
>>>>>>>>>
>>>>>>>>> echo "- - -" > /sys/class/scsi_host/host4/scan
>>>>>>>>>
>>>>>>>>> root@teevee:/sys/devices/pci0000:00/0000:00:06.0/ata1/host0/scsi_host/host0# 
>>>>>>>>>
>>>>>>>>> dmesg|grep ata5
>>>>>>>>> [    1.030224] ata5: SATA max UDMA/133 cmd 0x9e0 ctl 0xbe0 
>>>>>>>>> bmdma 0xc400
>>>>>>>>> irq
>>>>>>>>> 20
>>>>>>>>> [    1.354216] ata5: SATA link down (SStatus 0 SControl 300)
>>>>>>>>> [  944.773288] ata5: exception Emask 0x10 SAct 0x0 SErr 
>>>>>>>>> 0x50000 action
>>>>>>>>> 0xf
>>>>>>>>> [  944.773304] ata5: SError: { PHYRdyChg CommWake }
>>>>>>>>> [  944.773322] ata5: hard resetting link
>>>>>>>>> [  945.652070] ata5: SATA link up 1.5 Gbps (SStatus 113 
>>>>>>>>> SControl 300)
>>>>>>>>> [  945.660176] ata5.00: ATAPI: ATAPI   iHOS104, WL0F, max 
>>>>>>>>> UDMA/100
>>>>>>>>> [  945.676165] ata5.00: configured for UDMA/100
>>>>>>>>> [  950.676049] ata5.00: qc timeout (cmd 0xa0)
>>>>>>>>> [  950.676056] ata5.00: TEST_UNIT_READY failed (err_mask=0x5)
>>>>>>>>> [  950.676064] ata5: hard resetting link
>>>>>>>>> [  950.676066] ata5: nv: skipping hardreset on occupied port
>>>>>>>>> [  951.144073] ata5: SATA link up 1.5 Gbps (SStatus 113 
>>>>>>>>> SControl 300)
>>>>>>>>> [  951.168168] ata5.00: configured for UDMA/100
>>>>>>>>> [  956.168049] ata5.00: qc timeout (cmd 0xa0)
>>>>>>>>> [  956.168057] ata5.00: TEST_UNIT_READY failed (err_mask=0x4)
>>>>>>>>> [  956.168061] ata5: limiting SATA link speed to 1.5 Gbps
>>>>>>>>> [  956.168064] ata5.00: limiting speed to UDMA/100:PIO3
>>>>>>>>> [  956.168070] ata5: hard resetting link
>>>>>>>>> [  956.168072] ata5: nv: skipping hardreset on occupied port
>>>>>>>>> [  956.636056] ata5: SATA link up 1.5 Gbps (SStatus 113 
>>>>>>>>> SControl 300)
>>>>>>>>> [  956.660169] ata5.00: configured for UDMA/100
>>>>>>>>> [  961.660036] ata5.00: qc timeout (cmd 0xa0)
>>>>>>>>> [  961.660044] ata5.00: TEST_UNIT_READY failed (err_mask=0x4)
>>>>>>>>> [  961.660046] ata5.00: disabled
>>>>>>>>> [  961.660061] ata5: hard resetting link
>>>>>>>>> [  962.544045] ata5: SATA link up 1.5 Gbps (SStatus 113 
>>>>>>>>> SControl 310)
>>>>>>>>> [  962.544061] ata5: EH complete
>>>>>>>>>
>>>>>>>>> root@teevee:/sys/devices/pci0000:00/0000:00:06.0/ata1/host0/scsi_host/host0# 
>>>>>>>>>
>>>>>>>>>
>>>>>>>> Hmm, it did a hard reset on the hotplug with seemingly the same
>>>>>>>> effect. Can we narrow down the problem any more: does this 
>>>>>>>> drive work
>>>>>>>> on this machine under any Linux version, or in Windows? Can you 
>>>>>>>> try it
>>>>>>>> in another Linux machine with a different controller to see if it
>>>>>>>> works there?
>>>>>>> Well, this is embarrassing.
>>>>>>>
>>>>>>> I've always assumed the problem was with the with the 
>>>>>>> motherboard, as the
>>>>>>> DVD will always successfully boot a windows installer, so I assumed
>>>>>>> everything with the drive was OK. On further inspection, it 
>>>>>>> appears that the
>>>>>>> drive falls down when being accessed from the WinPE environment, 
>>>>>>> much the
>>>>>>> same as in linux. I've tested this on another PC and the result 
>>>>>>> looks to be
>>>>>>> the same. I'm going to do some more testing, and will send 
>>>>>>> another email if
>>>>>>> I find out otherwise. But I think we can consider this closed.
>>>>>>>
>>>>>>> Sorry to be a bother.
>>>>>>> Bruce
>>>>>> I hooked up the DVD drive to a USB-SATA adapter to a PC and the 
>>>>>> DVD drive
>>>>>> works great (under both windows and linux). I was able to copy a 
>>>>>> large
>>>>>> number of files with no performance issues.
>>>>>> The PC that I did the second test on turns out to have a nVidia 
>>>>>> MCP51
>>>>>> chipset (It's a gateway GT4016 with a KTBC51G-LF motherboard). I 
>>>>>> should have
>>>>>> checked this beforehand.
>>>>>>
>>>>>> So this problem looks to persist across different nVidia chipsets.
>>>>> Given that it fails in Windows as well on those machines, it sounds
>>>>> like there's some kind of compatibility issue between this drive and
>>>>> the NV chipsets. I don't know why their SATA chipsets (at least the
>>>>> pre-AHCI ones) have some many issues, but they do seem to.
>>>> I've located a spare HDD and loaded Windows 7 on it. In Windows  7 
>>>> (not WinPE), I am able to successfully use the BD-ROM drive on both 
>>>> computers (MCP61 and MCP51 chipsets). So it appears there is a 
>>>> difference in the drivers between the Windows 7 and WinPE driver. 
>>>> News to me.
>>>>
>>>> I believe this rules out a general hardware incompatibility.
>>>>
>>>> What further can I do?
>> (Forgot to CC the list previously)
>>
>> It would likely help to confirm whether the driver that was working
>> was provided by NVIDIA (which may be the case even if the driver was
>> automatically installed by Windows setup) or was a default Microsoft
>> one. If it's using an NVIDIA driver then it's quite likely they're
>> somehow working around whatever problem we're running into.
> The driver information as supplied by windows is:
> filename: nvstor.sys
> Provider: NVIDIA Corporation
> File Version: 10.6.0.18 (NT.091202-1659)
Robert,

Is there any more information I can supply that would be helpful?

Thanks
Bruce