On Tue, Feb 26, 2013 at 08:50:04AM -0800, Marc MERLIN wrote: > On Tue, Feb 26, 2013 at 10:29:59AM -0500, Jeff Garzik wrote: > > On 02/25/2013 07:27 PM, Marc MERLIN wrote: > > >Howdy, > > > > > >I seem to have the same problem (or similar) as Mathieu Desnoyers in > > >https://lkml.org/lkml/2013/2/22/437 > > > > > >I can reliably get my SSD to drop from the SATA bus given the right > > >workload > > >on linux. > > > > > >How can I tell if it's linux's fault of the drive's fault? > > > > Manually force speed to 3.0 Gbps, then 1.5 Gbps, and see what happens. > > > > Try module/kernel parameter libata.force=1.5Gbps or libata.force=3.0Gbps > > Ok, so by reading my log at time of failure, you saw that speed was > flipping between the two? (I couldn't see that, but I'm not good at reading > it). > > Also, just to make sure, you're not saying that you want me to change the > speed at runtime, but > 1) boot once with speed forced at 3Gbps and try and reproduce > 2) boot a 2nd time with speed forced at 1.5Gbps and try and reproduce > > If libata is not a module in my kernel, I can still put > libata.force=1.5Gbps > on the lilo/grub command line, correct? Jeff, could you clear up what you'd like me to try out? Thanks, Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html