Comment 288 for bug 59695

I have DELL Latitude D830 since 2 days now with a Samsung HM12HII drive.

I have this bug of too much clicks (I hear them 5-10 times per minute in average).

So I tried each solution found on that bug report and many other sources (mainly blogs that are saying same things than here since it envolved the same people) : hdparm.conf with both -B 254 and 255, laptop_mode enable with CONTROL_HD_POWERMGMT=1, and finally (I had hope when reading the previous post) the trick for some Samsung owner (smartcl -o on /dev/sda)

Unfortunately the problem remains the same whatever the ugly fix is in use. Of course I checked both Load_Cycle_Count raw value and Worst/Tresh values, and checked that one increment is related to one click heard.

Here are some values :

225 Load_Cycle_Count 0x0012 099 099 000 Old_age Always - 748
9 Power_On_Hours 0x0032 099 099 000 Old_age Always - 1154

One more thing : the hdparm -I /dev/sda command give me this strange thing (also reported by other people) :

Advanced power management level: unknown setting (0x0000)

I know that 2 days is very short time, but 748 sings already very bad for HDD life time ! Just to compare, I have an old laptop (Asus) with a 2 months Hitachi drive, and I have a Load_Cycle_Count of 192, stabilized (I cannot hear any click).

So, as it is mentioned here, fixes proposed here are not solution, at least for me, but overall, it shows us that we did not understand the problem (I mean real causes, process involved...).

Hope we'll find a good (true) solution for that really bad problem !

Mathieu