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    SubjectRe: Regression in kernel linux-2.6.20-rc1/2: Problems with poweroff
    Alexey Starikovskiy schrieb:
    > Berthold Cogel wrote:
    >> Alexey Starikovskiy schrieb:
    >>
    >>
    >>>> Hello Alex,
    >>>>
    >>>> I still get the same diffs. Except the yenta part of course. And the
    >>>> system is still rebooting.
    >>>>
    >>>> Berthold
    >>>>
    >>> Good, yenta is cleared :) Could you replace /drivers/acpi/ec.c with the
    >>> version from 2.6.19.x and try again?
    >>>
    >>> Regards,
    >>> Alex.
    >>>
    >>
    >> Hi Alex!
    >>
    >> I did what you suggested. First I replaced ec.c in linux-2.6.20-rc2 (see
    >> attached dmesg-2.6.20-rc2.ec.txt) with the version from linux-2.6.19.1
    >> and in a second step I also replaced i2c_ec.c and i2c_ec.h
    >> (dmesg-2.6.20-rc2.i2c_ec.txt).
    >>
    >> In both cases the only result I can see is the absence of the 'ACPI: EC:
    >> evaluating' messages in the logs. The system is still rebooting instead
    >> of doing a clean shutdown.
    >>
    >> Regards,
    >> Berthold
    >>
    >>
    > Excellent, ACPI printing of queries is cleared as well :)
    > There are two ways to debug further... git-bisect and unloading modules
    > before shutdown (or not loading them)...
    > While second is easier and could isolate a module, the first could be
    > way more productive:
    > http://www.kernel.org/pub/software/scm/git/docs/howto/isolate-bugs-with-bisect.txt
    >
    >
    > Thanks in advance,
    > Alex.
    >

    Hi Alex!

    I will have to set up git first for the bisect way. So I decided to give
    the second way a try.

    The module in question is ehci_hcd. After blacklisting it, 'shutdown -h
    now' worked fine.

    Here is the output of lspci for the system:

    acer01:~# lspci
    00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV
    Processor to I/O Controller (rev 02)
    00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV
    Processor to I/O Controller (rev 02)
    00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV
    Processor to I/O Controller (rev 02)
    00:01.0 PCI bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV
    Processor to AGP Controller (rev 02)
    00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM
    (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03)
    00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM
    (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03)
    00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM
    (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03)
    00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2
    EHCI Controller (rev 03)
    00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 83)
    00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface
    Bridge (rev 03)
    00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE
    Controller (rev 03)
    00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
    SMBus Controller (rev 03)
    00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
    (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03)
    00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
    AC'97 Modem Controller (rev 03)
    01:00.0 VGA compatible controller: ATI Technologies Inc RV350 [Mobility
    Radeon 9600 M10]
    02:02.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
    02:04.0 Network controller: Intel Corporation PRO/Wireless 2200BG
    Network Connection (rev 05)
    02:06.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
    02:06.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394
    Host Controller
    02:06.3 Mass storage controller: Texas Instruments PCIxx21 Integrated
    FlashMedia Controller


    Regards,
    Berthold


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