http://bugzilla.kernel.org/show_bug.cgi?id=8855
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------- Comment #74 from [EMAIL PROTECTED] 2008-09-18 14:57 -------
Hi all,
Sorry to be a little late to the party, but I have the same problem on my HP
nx7400 laptop with a Seagate Momentus 5400.2 disk. It's a little more
complicated though, as the spindown-spinup issue only happens if I disable
power management on the disk in order to fix the dreaded "frequent head unload"
problem (see
http://ata.wiki.kernel.org/index.php/Known_issues#Drives_which_perform_frequent_head_unloads_under_Linux).
In other words, if I do nothing then my disk will die too early because of the
unload stuff, if I fix that with hdparm -B 2555 then it will die too early
because of the "spindown twice" problem. What I've been doing up to now is just
reboot the laptop and use the power button when I see GRUB coming up. Restoring
the original power management setting with hdparm -B 128 before shutting down
doesn't help.
I've added acpidump and dmidecode attachments for the HP nx7400.
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