kernel-packages team mailing list archive

[Ralf Mardorf <ralf.mardorf@xxxxxxxxxxxxx>]

Thank you,

unfortunately it didn't fix the issue.

[root@moonstudio weremouse]# t=10800;y=$(smartctl -A /dev/sdc|grep Lo|awk '{print $NF}');sleep $t;x=$(smartctl -A /dev/sdc|grep Lo|awk '{print $NF}');echo $(uname -r) $x-$y=$((x-y)) spins in $(($t/60/60)) hours
4.2.0-040200rc7-generic 15287-15280=7 spins in 3 hours

This issue never appeared related to kernel configs or kernel releases.
I suspect the culprit gets executed at startup.

** Tags removed: bot-comment
** Tags added: kernel-bug-exists-upstream

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1484497

Title:
  [Wily] wakes up green drives without a valid reason

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  a minimalist Wily server install, around 4.5 GiB small does cause
  endless spin downs and spin ups, so that green drives get damaged. I
  maintain an around 37.5 GiB large Arch Linux install, quasi using the
  same software used by the Wily install and in addition a little bit
  more software, which isn't used by the Wily install. For Arch Linux I
  don't experience this issue. I expect the same for an Ubuntu install.

  I'm already hunting the culprit, see
  https://lists.ubuntu.com/archives/ubuntu-studio-devel/2015-August/006570.html and
  https://lists.ubuntu.com/archives/ubuntu-studio-devel/2015-August/006571.html,
  but run out of ideas.

  The claim the install is 2 GiB small is a typo, the backup archive is
  of that size.

  However, assumed Ubuntu won't contribute to
  http://andrewmcconnell.photoshelter.com/gallery/G0000oLuiBLHIsmM this
  "feature" should be removed from the defaults.

  $ lsb_release -rd
  Description:	Ubuntu Wily Werewolf (development branch)
  Release:	15.10

  Regards,
  Ralf

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