http://bugzilla.kernel.org/show_bug.cgi?id=6670
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REJECTED |CLOSED
------- Additional Comments From [EMAIL PROTECTED] 2007-01-17 01:12 -------
This issue was caused by a bug in Intel's reference EFI BIOS.
The BIOS did not re-enable the SCI on resume from S3 like it is supposed to.
Apple discovered this bug, but rather than fixing the firmware,
they apparently worked around it in OSX by re-enabling ACPI mode
on resume from S3.
While that workaround might be okay for Apple, it might
be risky if applied to all the Windows-compatible BIOS out there,
so the simple workaround of re-enabling the SCI seems more prudent.
commit 53a5fbdc2dff55161a206ed1a1385a8fa8055c34
ACPI: Allow setting SCI_EN bit in PM1_CONTROL register
went upstream between 2.6.19-rc1 and 2.6.19-rc2
to allow the simple workaround of scribbling on the (read only)
SCI_EN bit to work again.
closed.
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