Re: [Bugme-new] [Bug 11886] New: without serial console system doesn'tpoweroff

[Daniel Smolik]

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@xxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxx
> > > >         ReportedBy: marvin@xxxxxxxxxx
> > > >
> > > >
> > > > 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@xxxxxxx>
> > > 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@xxxxxxx>
> > > 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.

		Dan




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