booting/usin knoppix using a KVM switch

[Albretch]

I got a shuttle FS40
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http://www.ocworkbench.com/2002/shuttle/ss40/ss40p1.htm
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which I am using with a KVM Switch (an IOGEAR 4-Port MiniView one)
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I can boot Windows XP and/or Linux/Debian/knoppix up or shut it down fine using the KVM Switch. The thing is that there seems to be some sort of hard and/or software impedance of the shuttle with the KVM Switch
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if I run say the cheatcode "knoppix memtest" I can see the multicolor memtest run on the monitor without any problems, but if I let knoppix start by itself I don't see anything on the the monitor if I switch to the knoppix box
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How can I fix this problem?
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lbrtchx

[Harry Kuhman]

Have you confirmed that this actually has anything to do with the kvm switch by disconnecting it and hooking you k v and m right to the computer? I ask because it doesn't sound like a KVM problem to me.

[Albretch]

> Have you confirmed that this actually has anything to do with the kvm switch ...
Well, yeah! This is the first thing I did before posting, but I will do it again changing the cables and all of that
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[Harry Kuhman]

I would still retest to confirm that the kvm is indeed a factor. If it still is, one potential issue might be the kvm causing problems with the plug and play detection of the monitor capabilities. Try forcing a video mode that you know will work (both resolution and scan rates, but I mostly suspect that the scan rate that knoppix is defaulting to is too high)

[Albretch]

> ... scan rate that knoppix is defaulting to is too high
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the cheatcode "vga=normal" did the trick
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how can you tell the scan rate that knoppix is defaulting to?
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Well, I'd guess you can't see it anyway ;-) you will have to use cheat codes and see what works. I am using one of these flat monitors branded as "planar"
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I booted into "init 2" and then run startx, but I couldn't see any differences in the dmesg dumps before and after. Are there X related con files from where you can get this info?
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here is the dmesg dump for the FS40 shuttle after my 2Gb memory upgrade
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Linux version 2.6.19 (root@Knoppix) (gcc version 4.1.2 20061028 (prerelease) (Debian 4.1.1-19)) #7 SMP PREEMPT Sun Dec 17 22:01:07 CET 2006
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000007eff0000 (usable)
BIOS-e820: 000000007eff0000 - 000000007eff3000 (ACPI NVS)
BIOS-e820: 000000007eff3000 - 000000007f000000 (ACPI data)
BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
1135MB HIGHMEM available.
896MB LOWMEM available.
found SMP MP-table at 000f51b0
Entering add_active_range(0, 0, 520176) 0 entries of 256 used
Zone PFN ranges:
DMA 0 -> 4096
Normal 4096 -> 229376
HighMem 229376 -> 520176
early_node_map[1] active PFN ranges
0: 0 -> 520176
On node 0 totalpages: 520176
DMA zone: 32 pages used for memmap
DMA zone: 0 pages reserved
DMA zone: 4064 pages, LIFO batch:0
Normal zone: 1760 pages used for memmap
Normal zone: 223520 pages, LIFO batch:31
HighMem zone: 2271 pages used for memmap
HighMem zone: 288529 pages, LIFO batch:31
DMI 2.2 present.
Intel MultiProcessor Specification v1.4
Virtual Wire compatibility mode.
OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
Processor #0 6:6 APIC version 17
I/O APIC #2 Version 17 at 0xFEC00000.
Enabling APIC mode: Flat. Using 1 I/O APICs
Processors: 1
Allocating PCI resources starting at 80000000 (gap: 7f000000:7fc00000)
Detected 1394.109 MHz processor.
Built 1 zonelists. Total pages: 516113
Kernel command line: ramdisk_size=100000 init=/etc/init lang=us apm=power-off vga=791 initrd=minirt.gz nomce loglevel=0 quiet BOOT_IMAGE=knoppix BOOT_IMAGE=linux vga=normal acpi=off noapic init 2
mapped APIC to ffffd000 (fee00000)
mapped IOAPIC to ffffc000 (fec00000)
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 16384 bytes)
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 2056812k/2080704k available (2747k kernel code, 22700k reserved, 958k data, 336k init, 1163200k highmem)
virtual kernel memory layout:
fixmap : 0xffe16000 - 0xfffff000 (1956 kB)
pkmap : 0xff800000 - 0xffc00000 (4096 kB)
vmalloc : 0xf8800000 - 0xff7fe000 ( 111 MB)
lowmem : 0xc0000000 - 0xf8000000 ( 896 MB)
.init : 0xc04a6000 - 0xc04fa000 ( 336 kB)
.data : 0xc03aef9c - 0xc049e7b4 ( 958 kB)
.text : 0xc0100000 - 0xc03aef9c (2747 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 2790.10 BogoMIPS (lpj=5580203)
Security Framework v1.0.0 initialized
SELinux: Disabled at boot.
Capability LSM initialized
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0383fbff c1c3fbff 00000000 00000000 00000000 00000000 00000000
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
CPU: After all inits, caps: 0383fbff c1c3fbff 00000000 00000420 00000000 00000000 00000000
Compat vDSO mapped to ffffe000.
Checking 'hlt' instruction... OK.
Checking for popad bug... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 16k freed
CPU0: AMD Athlon(tm) XP 1600+ stepping 02
Total of 1 processors activated (2790.10 BogoMIPS).
Brought up 1 CPUs
checking if image is initramfs...it isn't (no cpio magic); looks like an initrd
Freeing initrd memory: 1188k freed
NET: Registered protocol family 16
EISA bus registered
PCI: PCI BIOS revision 2.10 entry at 0xfb360, last bus=1
Setting up standard PCI resources
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
PnPBIOS: Scanning system for PnP BIOS support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00fbd50
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xbd80, dseg 0xf0000
PnPBIOS: 15 nodes reported by PnP BIOS; 15 recorded by driver
SCSI subsystem initialized
libata version 2.00 loaded.
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Uncovering SIS961 that hid as a SIS503 (compatible=0)
Enabling SiS 96x SMBus.
Boot video device is 0000:01:00.0
PCI: Using IRQ router default [1039/0740] at 0000:00:00.0
spurious 8259A interrupt: IRQ7.
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
pnp: 00:0b: ioport range 0x1000-0x107f has been reserved
pnp: 00:0b: ioport range 0x1080-0x109f has been reserved
PCI: Ignore bogus resource 6 [0:0] of 0000:01:00.0
PCI: Bridge: 0000:00:01.0
IO window: d000-dfff
MEM window: ec000000-ec0fffff
PREFETCH window: e0000000-e7ffffff
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
TCP established hash table entries: 131072 (order: 8, 1572864 bytes)
TCP bind hash table entries: 65536 (order: 7, 786432 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
audit: initializing netlink socket (disabled)
audit(1181739358.564:1): initialized
highmem bounce pool size: 64 pages
Total HugeTLB memory allocated, 0
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
fuse init (API version 7.8)
fuse distribution version: 2.6.1
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered (default)
io scheduler cfq registered
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Real Time Clock Driver v1.12ac
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
RAMDISK driver initialized: 16 RAM disks of 100000K size 1024 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
SIS5513: IDE controller at PCI slot 0000:00:02.5
SIS5513: chipset revision 208
SIS5513: not 100% native mode: will probe irqs later
SIS5513: SiS 961 MuTIOL IDE UDMA100 controller
ide0: BM-DMA at 0x4000-0x4007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0x4008-0x400f, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: ST360021A, ATA DISK drive
hdb: _NEC DVD_RW ND-3550A, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
Probing IDE interface ide1...
hda: max request size: 128KiB
hda: 117231408 sectors (60022 MB) w/2048KiB Cache, CHS=65535/16/63
hda: cache flushes not supported
hda: hda1 hda2 < hda5 >
hdb: ATAPI 48X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache
Uniform CD-ROM driver Revision: 3.20
Loading iSCSI transport class v2.0-724.<6>PNP: PS/2 Controller [PNP0303,PNP0f13] at 0x60,0x64 irq 1,12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mice: PS/2 mouse device common for all mice
EISA: Probing bus 0 at eisa.0
Cannot allocate resource for EISA slot 1
Cannot allocate resource for EISA slot 4
EISA: Detected 0 cards.
Initializing XFRM netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 15
Using IPI No-Shortcut mode
Time: tsc clocksource has been installed.
input: AT Translated Set 2 keyboard as /class/input/input0
input: ImPS/2 Generic Wheel Mouse as /class/input/input1
RAMDISK: Compressed image found at block 0
VFS: Mounted root (ext2 filesystem).
Failed initialization of WD-7000 SCSI card!
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
ehci_hcd 0000:00:0b.2: EHCI Host Controller
ehci_hcd 0000:00:0b.2: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:0b.2: irq 7, io mem 0xec102000
ehci_hcd 0000:00:0b.2: USB 2.0 started, EHCI 0.95, driver 10 Dec 2004
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 4 ports detected
USB Universal Host Controller Interface driver v3.0
uhci_hcd 0000:00:0b.0: UHCI Host Controller
uhci_hcd 0000:00:0b.0: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:0b.0: irq 11, io base 0x0000e400
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
uhci_hcd 0000:00:0b.1: UHCI Host Controller
uhci_hcd 0000:00:0b.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:0b.1: irq 5, io base 0x0000e800
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ohci_hcd 0000:00:02.2: OHCI Host Controller
ohci_hcd 0000:00:02.2: new USB bus registered, assigned bus number 4
ohci_hcd 0000:00:02.2: irq 11, io mem 0xec100000
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 3 ports detected
ohci_hcd 0000:00:02.3: OHCI Host Controller
ohci_hcd 0000:00:02.3: new USB bus registered, assigned bus number 5
ohci_hcd 0000:00:02.3: irq 9, io mem 0xec101000
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 3 ports detected
usbcore: registered new interface driver libusual
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
ieee1394: Initialized config rom entry `ip1394'
ohci1394: fw-host0: OHCI-1394 1.0 (PCI): IRQ=[5] MMIO=[ec104000-ec1047ff] Max Packet=[2048] IR/IT contexts=[8/8]
ieee1394: sbp2: Driver forced to serialize I/O (serialize_io=1)
ieee1394: sbp2: Try serialize_io=0 for better performance
ieee1394: Host added: ID:BUS[0-00:1023] GUID[00301b1100002bd1]
Warning: /proc/ide/hd?/settings interface is obsolete, and will be removed soon!
Unable to identify CD-ROM format.
VFS: Can't find an ext2 filesystem on dev hda.
ReiserFS: hda: warning: sh-2021: reiserfs_fill_super: can not find reiserfs on hda
FAT: invalid media value (0xb9)
VFS: Can't find a valid FAT filesystem on dev hda.
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
cloop: Initializing cloop v2.05
cloop: loaded (max 8 devices)
cloop: /cdrom/KNOPPIX/KNOPPIX: 15609 blocks, 131072 bytes/block, largest block is 131098 bytes.
cloop: loaded 256 blocks into cache.
ISO 9660 Extensions: RRIP_1991A
aufs 2.6.19-20061211
Freeing unused kernel memory: 336k freed
apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16ac)
apm: driver version: Interface not connected
apm: get_event: Interface not connected
cpufreq: No nForce2 chipset.
powernow-k8: Processor cpuid 662 not supported
eth1394: eth0: IEEE-1394 IPv4 over 1394 Ethernet (fw-host0)
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected SiS 740 chipset
agpgart: AGP aperture is 64M @ 0xe8000000
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
sis96x_smbus 0000:00:02.1: SiS96x SMBus base address: 0x1080
8139too Fast Ethernet driver 0.9.28
eth1: RealTek RTL8139 at 0xf890e000, 00:30:1b:11:2b:d1, IRQ 11
eth1: Identified 8139 chip type 'RTL-8100B/8139D'
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
00:0c: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:10: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
eth1: link down
NET: Registered protocol family 17
device-mapper: ioctl: 4.10.0-ioctl (2006-09-14) initialised: dm-devel@redhat.com
Adding 698788k swap on /dev/hda5. Priority:-1 extents:1 across:698788k
eth1: link down
EFS: 1.0a - http://aeschi.ch.eu.org/efs/
SGI XFS with ACLs, security attributes, realtime, large block numbers, no debug enabled
SGI XFS Quota Management subsystem