[mythtv-users] new drive, same problem

Stephen Worthington stephen_agent at jsw.gen.nz
Sat Dec 22 08:25:28 UTC 2018

On Fri, 21 Dec 2018 23:23:03 -0500, you wrote:

>On Fri, Dec 21, 2018 at 2:55 PM Daryl McDonald <darylangela at gmail.com>
>> On Fri, Dec 21, 2018 at 1:38 PM Will Dormann <wdormann at gmail.com> wrote:
>>> On 12/20/18 7:33 PM, Stephen Worthington wrote:
>>> > What is your motherboard?  There are known bugs in the device drivers
>>> > for old Nvidia motherboards that make some drives do bad things - I
>>> > have an old Nvidia board where my Samsung 1 Tbyte drive will not work
>>> > - I have to run if from a PCIe SATA port.  I bisected the kernel and
>>> > reported the changes that caused this, but to date it has not been
>>> > fixed.
>>> Interesting.   I had a problem with my old nVidia ION system (nVidia
>>> MCP79) where I'd get bus errors with a SanDisk SSD.  I ended up swapping
>>> it with another manufacturer's drive, and it seemed to be OK.  At this
>>> point, I blamed it on the drive being defective.
>>> The system in question has since been retired, so I probably shouldn't
>>> care.  But I'm curious if you have any more details about this bug.
>>> -WD
>> What I did last night is most likely a one-off. Earlier I had my power
>> supply powering my HDHR and cable box. When that proved unreliable, I
>> marrette'd the power wires back to a connector, which was also unreliable,
>> so un-used and almost forgotten. Last night I took the connector off and
>> dead-ended the four wires, hearing only one more pop afterwards, and that
>> pop may have been re-connection of storage2. I will claim victory after I
>> hear no pops tonight.
>The bad news is: I was wrong, the storage2 dropped out, so I powered down
>and switched power and sata cables with storage3 (previous test was with
>storage1) The good news is: since storage3 dropped out this time it is
>almost certain that the mobo is at fault. The bad news is the mobo I
>ordered is, apparently adrift in the Pacific somewhere. The good news is:
>its Christmas time and friends and family aplenty will replace my need for
>reliable Mythtv, for now, as I wait. Many thanks to everyone on this list,
>and I wish you all a splendid season of Joy and Good Cheer!  Daryl

Ouch!  I hate motherboard faults - they are often hard to pin down. At
least you seem to be getting somewhere now with diagnosing this one.
If it is a mobo problem, then it will likely only affect one or a pair
of SATA ports, so the mobo may well be usable still if you add a PCIe
SATA card to replace the bad ports (presuming you have room to do
that).  It pays to put some tape over known bad ports, so you do not
accidentally use them again.

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