Some questions about 5.2.1-RELEASE-p3

Good time of the day!

I have FreeBSD 5.2.1-RELEASE-p3 installed on Compaq Armada E500 laptop. Because
of some problems on this system, i so have some questions about this.

First, i've got a kernel panic when i hear music using mp3blaster:
> kernel trap 19 with interrupts disabled
>
> Fatal trap 19: non-maskable interrupt trap while in kernel mode
> instruction pointer	= 0x8:0xc08251bc
> stack pointer			= 0x10:0xc8f32c50
> frame pointer			= 0x10:0xc8f32c58
> code segment          = base 0x0, limit 0xfffff, type 0x1b
>						= DPL 0, pres 1, def32 1, gran 1
> processor eflags		= IOPL = 0
> current process		= 11 (idle)
> trap number			= 19
> panic: non-maskable interrupt trap

Second, when i tried to compile kernel with more optimization than default
(-O changed to -O3 in COPTFLAGS variable of /usr/src/sys/conf/kern.pre.mk)
i've got error during compile:

> % make clean depend all
>
> .....
>
> cc -c -O3 -pipe -mcpu=pentiumpro -Wall -Wredundant-decls -Wnested-externs -Wstri
> ct-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fform
> at-extensions -std=c99  -nostdinc -I-  -I. -I../../.. -I../../../contrib/dev/acp
> ica -I../../../contrib/ipfilter -I../../../contrib/dev/ath -I../../../contrib/de
> v/ath/freebsd -I../../../contrib/ngatm -D_KERNEL -include opt_global.h -fno-comm
> on -finline-limit=15000 -fno-strict-aliasing  -mno-align-long-strings -mpreferre
> d-stack-boundary=2 -ffreestanding -Werror  ../../../kern/vfs_cluster.c
> ../../../kern/vfs_cluster.c:580: warning: inlining failed in call to `cluster_wb
> uild_wb'
> ../../../kern/vfs_cluster.c:660: warning: called from here
> ../../../kern/vfs_cluster.c:580: warning: inlining failed in call to `cluster_wb
> uild_wb'
> ../../../kern/vfs_cluster.c:684: warning: called from here
> ../../../kern/vfs_cluster.c:580: warning: inlining failed in call to `cluster_wb
> uild_wb'
> ../../../kern/vfs_cluster.c:735: warning: called from here
> *** Error code 1
> 
> Stop in /usr/src/sys/i386/compile/Notebook.

Is this normal? With -O2 options compilation of kernel was successfull.
And, because this kernel is working on my laptop at moment, may be kernel
panic i've got is result of setting -O2 option?

Third, during boot i have next error messages from ACPI (see attachments for
dmesg):
> ACPI-1287: *** Error: Method execution failed [\\_SB_.C005.C00B] (Node 0xc13
> ACPI-1287: *** Error: Method execution failed [\\_SB_.C005.C00F] (Node 0xc13
> ACPI-1287: *** Error: Method execution failed [\\_SB_.C005._CRS] (Node 0xc13
> ACPI-0226: *** Error: Return object type is incorrect [\\_SB_.C005._CRS] (No
> can't fetch resources for \\_SB_.C005 - AE_TYPE

Dmesg, kernel and loader configuration files of my laptop you can see in
attachments to this letter. If you needs any additional information, i can
give it.

P.S. Sorry, if my english is very bad.

Sincerelly yours,
Dmitry Novikov.
mailto: [email protected]

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hw.ata.ata_dma="1"
hw.ata.atapi_dma="1"

ipfw_load="YES"
ltmdm_load="YES"