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SubjectRe: [Bugme-new] [Bug 11886] New: without serial console system doesn't poweroff
Andrew Morton napsal(a):
> (switched to email. Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
>
> On Wed, 29 Oct 2008 04:06:11 -0700 (PDT)
> bugme-daemon@bugzilla.kernel.org wrote:
>
>> http://bugzilla.kernel.org/show_bug.cgi?id=11886
>>
>> Summary: without serial console system doesn't poweroff
>> Product: Power Management
>> Version: 2.5
>> KernelVersion: 2.6.27.4
>> Platform: All
>> OS/Version: Linux
>> Tree: Mainline
>> Status: NEW
>> Severity: normal
>> Priority: P1
>> Component: Other
>> AssignedTo: power-management_other@kernel-bugs.osdl.org
>> ReportedBy: marvin@mydatex.cz
>>
>>
>> Latest working kernel version:
>> Earliest failing kernel version:2.6.27.2
>> Distribution: Debian Etch
>> Hardware Environment: Supermiro C2SBC-Q Dual Core Intel Cpu 1G RAM
>> Software Environment: Debian Etch
>> Problem Description: If I does't add serial console to kernel command line
>> system doesn't poweroff. Linux hangs there:
>>
>> e1000e 0000:0d:00.0: PCI INT A disabled
>> e1000e 0000:00:19.0: PCI INT A disabled
>> ACPI: Preparing to enter system sleep state S5
>> Disabling non-boot CPUs ...
>>
>> If I disable in kernel config Suspend to Ram and Hibernate all works without
>> console. But with Suspend and hibernate enabled and serial console added to
>> kernel cmd line all works too:
>>
>> e1000e 0000:0d:00.0: PCI INT A disabled
>> e1000e 0000:00:19.0: PCI INT A disabled
>> ACPI: Preparing to enter system sleep state S5
>> Disabling non-boot CPUs ...
>> CPU 1 is now offline
>> SMP alternatives: switching to UP code
>> CPU1 is down
>> Power down.
>> acpi_power_off called
>>
>> Steps to reproduce:
>> Compile kernel with attached config and try poweroff without serial console.
>>
>
> OK, this is weird.
>
> But the good news is that there is a very small number of commits
> between 2.6.27.2 and 2.6.27.4.
>
> ftp://ftp.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.3
> ftp://ftp.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.4
>
> I'd be looking at these:
>
> commit 3b987ac961486373f91191b14291b331fa546072
> Author: Rafael J. Wysocki <rjw@sisk.pl>
> Date: Sat Sep 6 13:13:01 2008 +0200
>
> ACPI suspend: Always use the 32-bit waking vector
>
> commit a6629105dd03d370fcb31e97bddf223fa4bb651e upstream.
>
>
> commit 66036f5862883fcc9f7ff8550685a5a3de1a57e4
> Author: Rafael J. Wysocki <rjw@sisk.pl>
> Date: Sat Oct 4 00:05:05 2008 +0200
>
> ACPI Suspend: Enable ACPI during resume if SCI_EN is not set
>
> commit d0c71fe7ebc180f1b7bc7da1d39a07fc19eec768 upstream.
>
>
>
> presumably 2.6.28-rc3 is also broken?
I don't know I can test it on Thu. But may be may fault or misunderstanding fist kernel which I test is 2.27.2. I don't
test any kernel before. I don't know if 2.6.26 works.

Dan






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