#12032 NORM Not Tri: XO-1.5s in critical low-battery conditions do not cleanly shutdown or restart
Zarro Boogs per Child
bugtracker at laptop.org
Sat Jul 28 22:13:29 EDT 2012
#12032: XO-1.5s in critical low-battery conditions do not cleanly shutdown or
restart
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Reporter: greenfeld | Owner: rsmith
Type: defect | Status: closed
Priority: normal | Milestone: Not Triaged
Component: embedded controller | Version: Development build as of this date
Resolution: invalid | Keywords:
Next_action: no action | Verified: 0
Deployment_affected: | Blockedby:
Blocking: |
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Comment(by rsmith):
Replying to [comment:4 rsmith]:
> Replying to [comment:3 greenfeld]:
>
> > I was under the impression the EC also had critical hard-poweroff code
in case the code in Linux failed. If this is not the case, then this
ticket is invalid.
>
> It does. But the EC can't make Linux do a clean shutdown. All it can do
is power off the voltage regulators.
On 1.75 we dealt with this by making the EC disable run-in discharge if
the battery hits critical. I should probably backport those changes into
the 1.5 firmware.
So rather than a hard power off it would sit there hung and the battery
would charge back up.
Would this be useful?
--
Ticket URL: <http://dev.laptop.org/ticket/12032#comment:5>
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