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    SubjectRe: [Bugme-new] [Bug 11886] New: without serial console system doesn't poweroff

    (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?


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