On Thu, May 26, 2011 at 9:12 AM, Andrew Lutomirski <luto@xxxxxxx> wrote: > On Wed, May 25, 2011 at 5:36 AM, Tejun Heo <tj@xxxxxxxxxx> wrote: >> Cc'ing Intel people and Jeff. Hi! >> >> Any ideas what's going on with the following? In short, on sandy >> bridge ahci + intel g2 ssd, doing HOST_RESET during initialization >> makes the first reset timeout inducing 10 sec delay. > > On my desktop box, I have three SATA devices: a Sandforce-based SSD, a > normal hard drive, and a CD. Only the SSD has the problem, and > libahci.skip_host_reset=1 fixes it on this box as well. Here's the > relevant bit of the log: > > [ 7.431907] ata1: link is slow to respond, please be patient (ready=0) > [ 12.121178] ata1: COMRESET failed (errno=-16) > [ 12.428010] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) > [ 12.540828] ata1.00: ATA-9: OCZ-VERTEX3, 2.02, max UDMA/133 *sigh* I assumed the fact that I had this problem on two similar motherboard chipsets with two different generations of disks from two vendors meant it was a chipset or driver bug. I assumed wrong. It was separate firmware bugs in the Sandforce and the Intel firmware. Both are fixed in newer versions. Sorry for the noise, Andy -- 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
