[Bug 772273] Re: Kernel spits ata3.00: head unload failed! messages

2011-05-01 Thread Vincent Picavet 
Same here.
Apparently what happens is that hdapsd is triggered by lenovo's gravitational 
sensor, and tries to park the disk's head, in case the move is the computer 
falling.
As the disk is an SSD, it doesn't have any mechanical part, and fails to park 
the head, leading to the error.
Fixed by disabling/uninstalling hdapsd ( sudo apt-get remove --purge hdapsd ).
But somewhat the kernel should detect it is ssd and not try to park disks, or 
disable hdapsd.

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https://bugs.launchpad.net/bugs/772273

Title:
  Kernel spits ata3.00: head unload failed! messages

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[Bug 191137] Re: [Hardy] ACPI Embedded Controller (EC) stops boot when kernel boot 'quiet' option is enabled or AC power is connected

2008-06-10 Thread Vincent Picavet 
I can confirm this bug in the 8.04 release on my Sony Vaio VGN-FE41E.
Disabling quiet splash seems to let the kernel boot.

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[Hardy] ACPI Embedded Controller (EC) stops boot when kernel boot 'quiet' 
option is enabled or AC power is connected
https://bugs.launchpad.net/bugs/191137
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