Mark Lord wrote: > Tejun Heo wrote: >> Michael Sedkowski wrote: >>> Dnia 07-08-2007, Wt o godzinie 03:43 +0900, Tejun Heo napisał(a): >>>> Does emergency unload count increase >>>> after each power down? >>> I think I got it. >>> Using smartctl I've done a test and shut down, then repeted the test. >>> The only values that where diffrent are temperatures and >>> Hardware_ECC_Recovered which rised by 6 points. >>> However I have no idea which of those is the "emergency count"... >>> Full results in attachment. >>> >>> 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age >>> Always - 388 >> >> I think this is the one. You can test it by forcefully powering off the >> machine (press power button for several secs or disconnect AC and >> battery) and see whether the count increases. > > FWIW, Tejun, with 2.6.22, my new Seagate 160GB SATA drive (notebook) > increments the "Power-Off_Retract_Count" on each suspend-to-RAM operation. > It does not do any double spin-up/spin-down things though. > > What a mess. Hmmm.. It shouldn't. libata now issues STANDBYNOW prior to entering STR. Can you instrument code a bit and see whether it actually gets issued? Thanks. -- 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
