http://bugzilla.kernel.org/show_bug.cgi?id=9915
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------- Comment #4 from [EMAIL PROTECTED] 2008-02-13 14:21 -------
(In reply to comment #2)
> Has any version of Linux ever booted on this laptop in ACPI mode?
> If so, what is the latest version you know of?
The first kernel I tried on this laptop was version 2.6.23.12. I am not aware
of any kernel version that booted in ACPI mode successfully and reliably. If
you have any assumptions that a particular version could work please let me
know so I can try it out.
> Are the dmesg above from unmodified 2.6.24,
> or from 2.6.24-git (pre 2.6.25-rc1)?
The first dmesg is from the linux-acpi-2.6 repository, test branch, last commit
from February 2nd. The second dmesg is from vanilla 2.6.24.
> Kernel command line: root=/dev/sda6 vga=0x318 acpi_osi=Linux
> Kernel command line: root=/dev/sda6 console=ttyS0,115200
>
> Does this laptop really have a serial console?
I don't log in via serial console but I use the serial output to save the
dmesg.
> if you boot with these parameters several times,
> does it succeed/fail the same way each time?
> Did acpi_osi=Linux make a difference (all by itself)?
Ok, I repeated the tests with a slightly more current linux-acpi-2.6
repository. It is the release branch, HEAD is commit
a52500c917ead55dd78d9f37b8ca993f4f79f72a. I booted three times with
acpi_osi=Linux and three times without it. It fails the same way each time. See
attached boot logs (one with acpi_osi=Linux and one without).
> Any difference with CONFIG_PREEMPT=n?
No, not at all. (CONFIG_PREEMPT_NONE=y)
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