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

Jonathan Noack noackjr at alumni.rice.edu
Tue Aug 30 19:49:53 GMT 2005


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 at alumni.rice.edu | OpenPGP: 0x991D8195
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