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List:       linux-smp
Subject:    RE: Successful booting with apic on a ASUS CUV4X-DLS
From:       Tony Johnson <gjohnson () showmaster ! com>
Date:       2001-06-27 17:25:54
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I've never had a problem with my ASUS CUV4X-D with a default redhat install
it came up in dual processor mode with no problems.  I have no ide devices
and I dibabled all ide stuff in my bios.

I would think that if auto selecting ide devices shouldn't cause an
interrupt distribution || clock timing problem.  Doesn't sound like the two
are even vaguely related, but if someone with IDE devices sets it that way
and it works, I'd be interested myself.

> -----Original Message-----
> From:	Vladimir G Ivanovic [SMTP:vladimir@acm.org]
> Sent:	Wednesday, June 27, 2001 12:25 AM
> To:	linux-smp@vger.kernel.org
> Subject:	Successful booting with apic on a ASUS CUV4X-DLS
> 
> For what it's worth, I am booting without using "noapic" ... and it
> works. (I've appended my /etc/lilo.conf and /proc/{cmdline,interrupts}
> files for your viewing pleasure.)
> 
> How did I (inadvertently) achieve this state of Nirvana? Elementary, my
> dear Watson. I merely set my BIOS to:
> 
>      Main Menu->Primary Master to None
>      Main Menu->Primary Slave to None
>      Main Menu->Secondary Master to None
>      Main Menu->Secondary Slave to None
>      Advanced->Chip Configuration->On BOard PCI IDE Enable to Primary
>      
> (I'm using a slow 60GB IDE drive for online backups.) 
> 
> I also had to set "disk = /dev/sda" and "bios = 0x80" to tell `lilo' to
> treat /dev/sda, my SCSI disk, as the first disk.
> 
> Don't ask me why I can boot without errors with this setup, because I
> don't know. It just works.
> 
> I'd be interested in knowing if this is just my system/setup, or do
> other ASUS CUV4X-D(LS) boards exhibit the same behavior.
> 
> BTW, does anyone know the difference between IO-APIC and XT-PIC?
> 
> --- Vladimir
> 
> Vladimir G. Ivanovic                    http://www.leonora.org/~vladimir
> 2770 Cowper St.                                         vladimir@acm.org
> Palo Alto, CA 94306-2447                                 +1 650 678 8014
> 
> ---------
> [/etc/lilo.conf]
> boot = /dev/sda
> disk = /dev/sda
> bios = 0x80
> map = /boot/map
> install = /boot/boot.b
> prompt
> timeout=50
> message = /boot/message
> lba32
> default = linux-smp
> 
> image=/boot/vmlinuz-2.4.3-12smp
> 	label=linux-smp
> 	initrd=/boot/initrd-2.4.3-12smp.img
> 	read-only
> 	root=/dev/sda5
> 
> image=/boot/vmlinuz-2.4.3-12
> 	label=linux-uni
> 	initrd=/boot/initrd-2.4.3-12.img
> 	read-only
> 	root=/dev/sda5
> 
> image=/boot/vmlinuz-2.4.2-2smp
> 	label=linux-smp-2.4.2
> 	initrd=/boot/initrd-2.4.2-2smp.img
> 	read-only
> 	root=/dev/sda5
> 
> image=/boot/vmlinuz-2.4.2-2
> 	label=linux-uni-2.4.2
> 	initrd=/boot/initrd-2.4.2-2.img
> 	read-only
> 	root=/dev/sda5
> 
> [/proc/cmdline]
> auto BOOT_IMAGE=linux-smp ro root=805 BOOT_FILE=/boot/vmlinuz-2.4.3-12smp
> 
> [/proc/interrupts]
>            CPU0       CPU1       
>   0:    4028201    4070236    IO-APIC-edge  timer
>   1:       9026       8767    IO-APIC-edge  keyboard
>   2:          0          0          XT-PIC  cascade
>   8:          0          1    IO-APIC-edge  rtc
>  12:      74832      70725    IO-APIC-edge  PS/2 Mouse
>  14:        424        355    IO-APIC-edge  ide0
>  16:     801225     801074   IO-APIC-level  sym53c8xx
>  17:      80909      81340   IO-APIC-level  eth0
>  18:       2326       2282   IO-APIC-level  usb-uhci, usb-uhci, es1371
>  19:     139286     139209   IO-APIC-level  sym53c8xx
> NMI:          0          0 
> LOC:    8098297    8098296 
> ERR:          0
> MIS:          0
> 
> 
> --- Vladimir
> 
> Vladimir G. Ivanovic                    http://www.leonora.org/~vladimir
> 2770 Cowper St.                                         vladimir@acm.org
> Palo Alto, CA 94306-2447                                 +1 650 678 8014
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