Re: Recent 6-beta issue: high delay when loading kernel on thinkpad on battery

From: Jonathan Noack (noackjr_at_alumni.rice.edu)
Date: 08/30/05

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    Date: Tue, 30 Aug 2005 14:49:40 -0500
To: Martin Cracauer <cracauer@cons.org>

    On 08/30/05 12:06, Martin Cracauer wrote:
    > I cannot nail down when exactly this issue was introduced but I think
    > it was recently. I remember to boot this laptop fine when on battery
    > during summer.
    >
    > Recent 6-betas make my thinkpad R40 wait for 80 seconds when loading
    > the kernel (after announcing kernel version but before probing
    > devices), when it is on battery power. On A/C the delay is normal.
    >
    > This is a boot -v screenshot photo of the stage where it is hanging:
    > http://wavehh.dyndns.org/tmp/thinkpad-6beta-delay.jpg
    >
    > As you can see, -v doesn't give a clue what it is doing. It is
    > hanging there doing nothing before reloading the kernel modules.
    >
    > dmesg, acpi stats, kernel config etc is all on:
    > http://www.cons.org/cracauer/machines/grisu/
    >
    > I just updated these files to be from a -v boot when on A/C.
    >
    > Any idea what this can be caused by? Any additional tests or info I
    > can provide?

    I have seen similar boot delays on a Compaq DL360 (G1?) server I have.
    Also, I have a dual P3 machine that no longer reboots after a "shutdown
    -r now"; it just hangs after printing "Shutting down ACPI". I think
    there may be some edge cases with ACPI but have no direct evidence.
    Here's my message:
    http://docs.freebsd.org/cgi/mid.cgi?430960DD.6040608 

    -- 
Jonathan Noack | noackjr@alumni.rice.edu | OpenPGP: 0x991D8195

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