http://bugzilla.kernel.org/show_bug.cgi?id=7906





------- Comment #15 from [EMAIL PROTECTED]  2007-10-22 10:51 -------
I went to increase the kernel log buffer size and enabled few more debugging
options. However, it came to the kernel command line in grub.conf and fown I
did have "lapic" on my kernel command line. That seems to have forced LAPIC to
be turned on although it was disabled by the BIOS. Once enabled, it locked the
computer.

So, the subject of this bug is for current kernels wrong. The kernel 2.6.23.1
does report the LAPIC is disabled and leaves it as it is, so the machine boots
although LAPIC support is compiled into the kernel (from my initial report and
comments I have the impression it did not work like this before).

So, I would name the bug now that forcing LAPIC formerly disabled by BIOS
really hangs the machine, which is probably quite expected. I will attach the
two kernel logs, compare the kernel command lines used (the same kernel with
both IOAPIC and LAPIC enabled, and HIGHMEM). If you really want me to test also
SMP (comment #10) please let me know.


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