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SubjectRe: [Bugme-new] [Bug 11886] New: without serial console system doesn't poweroff
Rafael J. Wysocki napsal(a):
> On Tuesday, 4 of November 2008, Daniel Smolik wrote:
>> Rafael J. Wysocki napsal(a):
>>> On Monday, 3 of November 2008, Daniel Smolik wrote:
>>>> 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.
>>> Can you try 2.6.26, please?
>> Yes, no problem.
>
> And did it work?
>
> Rafael
Sorry, I compile kernel but still didn't test. I try it on Monday.

Dan





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