Guennadi Liakhovetski wrote: > On Sun, 9 Mar 2008, Tejun Heo wrote: > >> Guennadi Liakhovetski wrote: >>> On Fri, 7 Mar 2008, Tejun Heo wrote: >>> >>>>> Looks like almost a minute to me? On another occurence I see about 1.5 >>>>> minutes, then "port is slow to respond, please be patient (Status 0x80)" >>>>> has been repeated 3 times. On cold-plug also 3 times, I think, about the >>>>> same time then (time is not updated in the log). >>>> I see. Does the attached patch make any difference? >>> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c >>> index 4fbcce7..abebdcc 100644 >>> --- a/drivers/ata/libata-core.c >>> +++ b/drivers/ata/libata-core.c >>> @@ -6712,6 +6712,7 @@ int sata_link_init_spd(struct ata_link *link) >>> spd = (scontrol >> 4) & 0xf; >>> if (spd) >>> link->hw_sata_spd_limit &= (1 << spd) - 1; >>> + link->hw_sata_spd_limit = 1; >>> >>> ata_force_spd_limit(link); >>> >>> Hm, this would force 1.5Gbps on all ports and devices, right? Cannot I >>> just boot with "libata.force=4:1.5Gbps"? >> Yeap, you can do that. Wasn't sure you were using .25-rc or .24. > > Yctually it was 2.6.24 before, rebuilt 2.6.25-rc4, booted as above, it did > say: > > ata4: FORCE: PHY spd limit set to 1.5Gbps > > but hot-plugging the drive still took 50 seconds to recover. How about cold plugging? -- tejun -- 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
