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    Subject[tip:x86/urgent] x86: ASUS P4S800 reboot=bios quirk
    Commit-ID:  4832ddda2ec4df96ea1eed334ae2dbd65fc1f541
    Gitweb: http://git.kernel.org/tip/4832ddda2ec4df96ea1eed334ae2dbd65fc1f541
    Author: Leann Ogasawara <leann.ogasawara@canonical.com>
    AuthorDate: Fri, 4 Dec 2009 15:42:22 -0800
    Committer: H. Peter Anvin <hpa@zytor.com>
    CommitDate: Fri, 4 Dec 2009 16:38:59 -0800

    x86: ASUS P4S800 reboot=bios quirk

    Bug reporter noted their system with an ASUS P4S800 motherboard would
    hang when rebooting unless reboot=b was specified. Their dmidecode
    didn't contain descriptive System Information for Manufacturer or
    Product Name, so I used their Base Board Information to create a
    reboot quirk patch. The bug reporter confirmed this patch resolves
    the reboot hang.

    Handle 0x0001, DMI type 1, 25 bytes
    System Information
    Manufacturer: System Manufacturer
    Product Name: System Name
    Version: System Version
    Serial Number: SYS-1234567890
    UUID: E0BFCD8B-7948-D911-A953-E486B4EEB67F
    Wake-up Type: Power Switch

    Handle 0x0002, DMI type 2, 8 bytes
    Base Board Information
    Manufacturer: ASUSTeK Computer INC.
    Product Name: P4S800
    Version: REV 1.xx
    Serial Number: xxxxxxxxxxx

    BugLink: http://bugs.launchpad.net/bugs/366682

    ASUS P4S800 will hang when rebooting unless reboot=b is specified.
    Add a quirk to reboot through the bios.

    Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>
    LKML-Reference: <1259972107.4629.275.camel@emiko>
    Signed-off-by: H. Peter Anvin <hpa@zytor.com>
    Cc: <stable@kernel.org>
    ---
    arch/x86/kernel/reboot.c | 8 ++++++++
    1 files changed, 8 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
    index f930787..6caf260 100644
    --- a/arch/x86/kernel/reboot.c
    +++ b/arch/x86/kernel/reboot.c
    @@ -259,6 +259,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
    DMI_MATCH(DMI_PRODUCT_NAME, "SBC-FITPC2"),
    },
    },
    + { /* Handle problems with rebooting on ASUS P4S800 */
    + .callback = set_bios_reboot,
    + .ident = "ASUS P4S800",
    + .matches = {
    + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
    + DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
    + },
    + },
    { }
    };


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