From: Federico Giannici (giannicineomedia.it)
Date: Tue Jan 02 2007 - 02:35:53 CST

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Pekka Niiranen wrote:
> Hi Federico,
>
> I have A8V Deluxe and had similar problems when
> I used Belkin KVM switch: erratic mouse after switching
> from my Windows machine back to OpenBSD.
>
> Problems disappeared after I bought Linksys's KVM

I use no switch in my desktop PC.

Bye.

> Federico Giannici wrote:
>> I suspect there is some kind of incompatibility between OpenBSD 4.0
>> (i386 and amd64) and ASUS A8V motherboards.
>>
>> We have a few of these motherboards in use and since we upgraded to
>> OpenBSD 4.0 they freeze from time to time, usually during high IO load
>> (disk or network).
>>
>> Now I have upgraded my desktop PC (again with ASUS A8V motherboard)
>> that never had any stability problem. Now from time to time the PC
>> goes crazy: it usually freezes for a few seconds and then the mouse
>> start to rapidly move and click by itself. And a couple of time the PC
>> completely freezed.
>>
>> Is there some known problem (maybe interrupts related) with this
>> motherboards (VIA K8T800 chipset)?
>>
>> Thanks.
>>
>>
>>
>> OpenBSD 4.0 (GENERIC) #1107: Sat Sep 16 19:15:58 MDT 2006
>> deraadti386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
>> cpu0: AMD Athlon(tm) 64 Processor 3500+ ("AuthenticAMD" 686-class,
>> 512KB L2 cache) 2.21 GHz
>> cpu0:
>> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3
>>
>> cpu0: Cool`n'Quiet K8 2204 Mhz: speeds: 2200 2000 1800 1000 Mhz
>> real mem = 1072984064 (1047836K)
>> avail mem = 970764288 (948012K)
>> using 4256 buffers containing 53751808 bytes (52492K) of memory
>> mainbus0 (root)
>> bios0 at mainbus0: AT/286+(00) BIOS, date 11/03/05, BIOS32 rev. 0
>> 0xf0010, SMBIOS rev. 2.3 0xf0530 (67 entries)
>> bios0: ASUSTeK Computer Inc. A8V
>> apm0 at bios0: Power Management spec V1.2
>> apm0: AC on, battery charge unknown
>> apm0: flags 30102 dobusy 0 doidle 1
>> pcibios0 at bios0: rev 2.1 0xf0000/0x10000
>> pcibios0: PCI IRQ Routing Table rev 1.0 0xf5980/192 (10 entries)
>> pcibios0: PCI Interrupt Router at 000:17:0 ("VIA VT8237 ISA" rev 0x00)
>> pcibios0: PCI bus #1 is the last bus
>> bios0: ROM list: 0xc0000/0xd000 0xcd000/0x4000!
>> cpu0 at mainbus0
>> pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
>> pchb0 at pci0 dev 0 function 0 "VIA K8HTB Host" rev 0x00
>> pchb1 at pci0 dev 0 function 1 "VIA K8HTB Host" rev 0x00
>> pchb2 at pci0 dev 0 function 2 "VIA K8HTB Host" rev 0x00
>> pchb3 at pci0 dev 0 function 3 "VIA K8HTB Host" rev 0x00
>> pchb4 at pci0 dev 0 function 4 "VIA K8HTB Host" rev 0x00
>> pchb5 at pci0 dev 0 function 7 "VIA K8HTB Host" rev 0x00
>> ppb0 at pci0 dev 1 function 0 "VIA K8HTB AGP" rev 0x00
>> pci1 at ppb0 bus 1
>> vga1 at pci1 dev 0 function 0 "ATI Radeon Mobility 9200" rev 0x01
>> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
>> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
>> skc0 at pci0 dev 10 function 0 "Marvell Yukon 88E8001/8003/8010" rev
>> 0x13, Marvell Yukon Lite (0x9): irq 10
>> sk0 at skc0 port A, address 00:15:f2:40:b4:cf
>> eephy0 at sk0 phy 0: Marvell 88E1011 Gigabit PHY, rev. 5
>> pciide0 at pci0 dev 15 function 0 "VIA VT6420 SATA" rev 0x80: DMA
>> pciide0: using irq 10 for native-PCI interrupt
>> wd0 at pciide0 channel 0 drive 0: <SAMSUNG HD160JJ>
>> wd0: 16-sector PIO, LBA48, 152627MB, 312581808 sectors
>> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5
>> wd1 at pciide0 channel 1 drive 0: <SAMSUNG HD160JJ>
>> wd1: 16-sector PIO, LBA48, 152627MB, 312581808 sectors
>> wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 5
>> pciide1 at pci0 dev 15 function 1 "VIA VT82C571 IDE" rev 0x06: ATA133,
>> channel 0 configured to compatibility, channel 1 configured to
>> compatibility
>> atapiscsi0 at pciide1 channel 0 drive 0
>> scsibus0 at atapiscsi0: 2 targets
>> cd0 at scsibus0 targ 0 lun 0: <PHILIPS, SPD2400L1, Y5H3> SCSI0 5/cdrom
>> removable
>> cd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 4
>> pciide1: channel 1 disabled (no drives)
>> uhci0 at pci0 dev 16 function 0 "VIA VT83C572 USB" rev 0x81: irq 11
>> usb0 at uhci0: USB revision 1.0
>> uhub0 at usb0
>> uhub0: VIA UHCI root hub, rev 1.00/1.00, addr 1
>> uhub0: 2 ports with 2 removable, self powered
>> uhci1 at pci0 dev 16 function 1 "VIA VT83C572 USB" rev 0x81: irq 11
>> usb1 at uhci1: USB revision 1.0
>> uhub1 at usb1
>> uhub1: VIA UHCI root hub, rev 1.00/1.00, addr 1
>> uhub1: 2 ports with 2 removable, self powered
>> uhci2 at pci0 dev 16 function 2 "VIA VT83C572 USB" rev 0x81: irq 10
>> usb2 at uhci2: USB revision 1.0
>> uhub2 at usb2
>> uhub2: VIA UHCI root hub, rev 1.00/1.00, addr 1
>> uhub2: 2 ports with 2 removable, self powered
>> uhci3 at pci0 dev 16 function 3 "VIA VT83C572 USB" rev 0x81: irq 10
>> usb3 at uhci3: USB revision 1.0
>> uhub3 at usb3
>> uhub3: VIA UHCI root hub, rev 1.00/1.00, addr 1
>> uhub3: 2 ports with 2 removable, self powered
>> ehci0 at pci0 dev 16 function 4 "VIA VT6202 USB" rev 0x86: irq 5
>> usb4 at ehci0: USB revision 2.0
>> uhub4 at usb4
>> uhub4: VIA EHCI root hub, rev 2.00/1.00, addr 1
>> uhub4: 8 ports with 8 removable, self powered
>> viapm0 at pci0 dev 17 function 0 "VIA VT8237 ISA" rev 0x00
>> iic0 at viapm0
>> auvia0 at pci0 dev 17 function 5 "VIA VT8233 AC97" rev 0x60: irq 5
>> ac97: codec id 0x414c4790 (Avance Logic ALC850 rev 0)
>> audio0 at auvia0
>> pchb6 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00
>> pchb7 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00
>> pchb8 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00
>> pchb9 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00
>> isa0 at mainbus0
>> isadma0 at isa0
>> pckbc0 at isa0 port 0x60/5
>> pckbd0 at pckbc0 (kbd slot)
>> pckbc0: using irq 1 for kbd slot
>> wskbd0 at pckbd0: console keyboard, using wsdisplay0
>> pmsi0 at pckbc0 (aux slot)
>> pckbc0: using irq 12 for aux slot
>> wsmouse0 at pmsi0 mux 0
>> pcppi0 at isa0 port 0x61
>> midi0 at pcppi0: <PC speaker>
>> spkr0 at pcppi0
>> lm0 at isa0 port 0x290/8: W83627THF
>> npx0 at isa0 port 0xf0/16: using exception 16
>> pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
>> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
>> biomask efed netmask efed ttymask ffef
>> pctr: user-level cycle counter enabled
>> wd0: no disk label
>> dkcsum: wd0 matches BIOS drive 0x81
>> dkcsum: wd1 matches BIOS drive 0x80
>> root on wd1a
>> rootdev=0x10 rrootdev=0x310 rawdev=0x312
>

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