gmirror slice insertion, "FAILURE - READ_DMA status=51<READY, DSC, ERROR>"

[Wojciech Puchar]

>> error=40<UNCORRECTABLE> LBA=134802751
>
> Are you sure you don't have a bad hard disk?  This looks to be like a
> classic block/sector failure.  This does not appear to be the infamous
> famous "DMA timeout" problem, especially if this is the only error
> you're getting.

he can temporarity boot with hw.ata.ata_dma=0

but i think his drive failed.

>
>> I reinstalled FB7 to ad4, redid the /boot.config modification to make
>> ad6/gm0 bootable again and retried the insertion of ad4 into gm0. Exact
>> same error messages at exactly the same point with same consequences.


so IT IS FAILED drive!