#14934: System shuts down when doing a restart
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Reporter: BlueSky | Owner: nobody
Type: bug | Status: new
Priority: normal | Milestone: Unscheduled
Component: - General | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
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Comment (by tqh):
It's a problem with older machines ACPI firmware. Force Reboot and KDL
reboot I think is doing the equivalent of CTRL - ALT - DEL (through
keyboard controller) IIRC, which does not go through ACPI shutdown/reboot.
Doing this in a way that we don't cause issues anywhere is hard, so
therefore work on a unified way for all hw has stopped. Modern hardware
seems to work fine. Someone would need to add a fallback flag and do a
different shutdown on these old machines.
That would most likely involve making sure shutdown is done on the boot
cpu.
We did this before, but that caused inter cpu lockups on almost all
hardware from time to time when disabling non boot cpu's.
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Ticket URL: <https://dev.haiku-os.org/ticket/14934#comment:2>
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