To: Dave Jones <davej@redhat.com>
Cc: Len Brown <len.brown@intel.com>, Andrew Morton <akpm@osdl.org>,
       fastboot@lists.osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/29] x86-i8259-shutdown
References: <x86-i8259-shutdown-11061198973856@ebiederm.dsl.xmission.com>
	<1106623970.2399.205.camel@d845pe> <20050125035930.GG13394@redhat.com>
From: ebiederm@xmission.com (Eric W. Biederman)
Date: 24 Jan 2005 23:30:53 -0700
In-Reply-To: <20050125035930.GG13394@redhat.com>
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Dave Jones <davej@redhat.com> writes:

> 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.

Ok.  I misunderstood that one then.  I thought a separate fix
had cured the bug.  With the kexec bits remaining.

Eric
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