Re: [PATCH 4/29] x86-i8259-shutdown

[Dave Jones]

On Mon, Jan 24, 2005 at 10:32:50PM -0500, Len Brown wrote:
 > On Wed, 2005-01-19 at 02:31, Eric W. Biederman wrote:
 > > From: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
 > > 
 > > This patch disables interrupt generation from the legacy pic on
 > > reboot.  Now that there is a sys_device class it should not be called
 > > while drivers are still using interrupts.
 > > 
 > > There is a report about this breaking ACPI power off on some systems.
 > > http://bugme.osdl.org/show_bug.cgi?id=4041
 > > However the final comment seems to exhonorate this code.  So until
 > > I get more information I believe that was a false positive.
 > 
 > No, the last comment in the bug report
 > (davej says that there were poweroff problems in FC)
 > does not exhonerate this patch.
 > All it says is that there are additional poweroff bugs out there.

Indeed. Since dropping the kexec bits from the Fedora kernel,
the 'hangs at poweroff' bug went away for a lot of folks,
but there still remain some people affected by some other regression.
https://bugzilla.redhat.com/beta/show_bug.cgi?id=acpi_power_off
has the gory details.

		Dave

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