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    SubjectRe: [Bug 41722] Clevo M5X0JE hangs in ACPI init
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    On Fri, Jan 13, 2012 at 11:09 PM, Rogério Brito <rbrito@ime.usp.br> wrote:
    > Dear Yinghai and other people,
    >
    > On Sat, Jan 14, 2012 at 00:01, Rogério Brito <rbrito@ime.usp.br> wrote:
    >> On Fri, Jan 13, 2012 at 15:29, Yinghai Lu <yinghai@kernel.org> wrote:
    >>> On Fri, Jan 13, 2012 at 3:59 AM, Rogério Brito <rbrito@ime.usp.br> wrote:
    >>>> If it applies (and newer kernels don't have things which your patch needs),
    >>>> I will keep working with Linus's v3.2 tag.
    >>>
    >>> No problem, I will put that patch into for-pci2 for your conveniences.
    >>
    >> Thanks. That's definitely easier for me. I'm grabbing it to compile
    >> and will report in a moment.
    >
    > Just to clarify, my "definitely easier for me" means "I know what to
    > do (or, at least, I'm closer this way not doing wrong things)".
    >
    >>>> When I compiled from your branch for-pci2 from linux-yinghai.git (without
    >>>> any extra patches), it *did* boot, but noticed one thing weird: using htop
    >>>> and in single user mode, it reported 100% of CPU in use. With regular top, a
    >>>> more fine grained output revealed that no processes were using the CPU, but
    >>>> that almost all of the time was spent in kernel mode.
    >>>>
    >>>> Anyway, as you asked, I put the log of what I see at
    >>>>
    >>>>    http://www.ime.usp.br/~rbrito/linux/clevo/2012-01-13-0951-yanghai-for-pci2-branch/
    >>>
    >>> [    0.165615] pci 0000:05:07.0: CardBus bridge to [bus 06-09]
    >>> [    0.165682] pci 0000:05:07.0:   bridge window [io  0x0001-0x0000]
    >>> [    0.165751] pci 0000:05:07.0:   bridge window [io  0x0001-0x0000]
    >>> [    0.165821] pci 0000:05:07.0:   bridge window [mem
    >>> 0x00000001-0x00000000 pref]
    >>> [    0.165904] pci 0000:05:07.0:   bridge window [mem 0x00000001-0x00000000]
    >>> [    0.165975] pci 0000:00:10.0: PCI bridge to [bus 05-06]
    >>> [    0.166043] pci 0000:00:10.0:   bridge window [mem 0xb3200000-0xb32fffff]
    >>> [    0.166259] pci 0000:00:10.0: setting latency timer to 64
    >>> [    0.166329] pci 0000:05:07.0: device not available (can't reserve
    >>> [io  0x0001-0x0000])
    >>> [    0.166412] pci 0000:05:07.0: Error enabling bridge (-22), continuing
    >>>
    >>> We have some problems with handling cardbus bridge as optional resources.
    >>>
    >>> will produce some patches and update for-pci2 branch for your test.
    >>
    >> OK. Will try that as soon as my download completes.
    >
    > Just for the record, I have grabbed your for-pci2 branch with HEAD
    > being 5db4211 and this is what I get:
    >
    >    http://www.ime.usp.br/~rbrito/linux/clevo/boot-yinghai-for-pci2-g5db4211.m4v
    >
    > A warning, though is that there were some options regarding PCI buses
    > which I did not know exactly how to answer. I can post my config here
    > if you are interested in that. Well, actually, I can give you ssh
    > access to this notebook if you want to hack on it. Just let me know
    > what times you (or anyone else) are online and I will try to arrange
    > everything.
    >

    Please enable CONFIG_BOOT_PRINTK_DELAY in your .config

    and boot with "boot_delay=1000" or even "boot_delay=5000"

    then video capture could help.

    Thanks

    Yinghai
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