Messages in this thread | | | Date | Thu, 27 Aug 2009 09:37:01 +0100 | From | Alan Cox <> | Subject | Re: ATA device reset, shoud I be concerned? |
| |
> Nvidia CK804 SATA controllers appear to also explode on reading TF > registers after media errors in certain cases. (They tend to either > lockup the machine or throw HyperTransport timeout machine check
You must halt any running DMA activity before reading them. This is true for pretty much all task file style controllers although the results of not doing so vary by device somewhat.
| |