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SubjectRe: [PATCH 4/29] x86-i8259-shutdown
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@xmission.com>
> >
> > 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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