On Thu, 08 Nov 2012 09:43:29 -0800 "Wolfgang S. Rupprecht" <wolfgang.rupprecht@xxxxxxxxx> wrote: > > Can someone familiar with how the AHCI driver works confirm that data > overruns on a SATA link can cause the driver to down-shift the SATA > speed 6->3->1.5 Gbits/sec. I don't see any kprintf's but I notice that > a high speed SSD acting as if the SATA were running at 1.5 Gbits/sec. It has a set of heuristics based upon error rate over time. I'm not sure what you mean by "data overruns" however -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org