[Wylug-help] Extra RAM not being recognised

[Felix Ulrich-Oltean]

On Mon, Apr 21, 2008 at 10:48:11PM +0100, James Holden wrote:
> Is it an old machine or old kernel? What distro version are you running,
> and are you using a custom kernel?

The machine is one of those shuttle-like small-form-factor thingies,
the Biostar ideq 220k, with an AMD Sempron processor.

The kernel is a custom 2.6.21 linux kernel and the distro is Debian
unstable.


> The output from 'dmesg' would be useful here.
> 

Here it is:

re compatibility mode.
OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
I/O APIC #2 Version 17 at 0xFEC00000.
Enabling APIC mode:  Flat.  Using 1 I/O APICs
Processors: 1
Allocating PCI resources starting at 60000000 (gap: 5ff00000:9ed00000)
Built 1 zonelists.  Total pages: 227584
Kernel command line: root=/dev/sda5 ro
mapped APIC to ffffd000 (fee00000)
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)
Detected 1800.058 MHz processor.
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: 904840k/917504k available (2903k kernel code, 12188k reserved, 897k data, 192k init, 0k highmem)
virtual kernel memory layout:
    fixmap  : 0xffff7000 - 0xfffff000   (  32 kB)
    vmalloc : 0xf8800000 - 0xffff5000   ( 119 MB)
    lowmem  : 0xc0000000 - 0xf8000000   ( 896 MB)
      .init : 0xc04ba000 - 0xc04ea000   ( 192 kB)
      .data : 0xc03d5ed1 - 0xc04b646c   ( 897 kB)
      .text : 0xc0100000 - 0xc03d5ed1   (2903 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 3603.84 BogoMIPS (lpj=7207691)
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 078bfbff e3d3fbff 00000000 00000000 00000000 00000000 00000001
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 128K (64 bytes/line)
CPU: After all inits, caps: 078bfbff e3d3fbff 00000000 00000410 00000000 00000000 00000001
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
Compat vDSO mapped to ffffe000.
CPU: AMD Sempron(tm) Processor 3000+ stepping 00
Checking 'hlt' instruction... OK.
ACPI: Core revision 20070126
ACPI: setting ELCR to 0200 (from 0628)
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: PCI BIOS revision 2.10 entry at 0xf9ff0, last bus=1
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter enabled
ACPI: (supports S0 S1 S4 S5)
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Probing PCI hardware (bus 00)
Boot video device is 0000:01:00.0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs *3 4 6 7 10 11 12)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 6 7 *10 11 12)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 6 7 *10 11 12)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 6 7 10 11 12) *5
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 6 7 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 6 7 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNK0] (IRQs 3 4 6 7 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNK1] (IRQs 3 4 6 7 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [ALKA] (IRQs *20)
ACPI: PCI Interrupt Link [ALKB] (IRQs *21)
ACPI: PCI Interrupt Link [ALKC] (IRQs *22)
ACPI: PCI Interrupt Link [ALKD] (IRQs *23), disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 14 devices
SCSI subsystem initialized
libata version 2.20 loaded.
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq".  If it helps, post a report
pnp: 00:00: iomem range 0xd1c00-0xd3fff has been reserved
pnp: 00:00: iomem range 0xf0000-0xf7fff could not be reserved
pnp: 00:00: iomem range 0xf8000-0xfbfff could not be reserved
pnp: 00:00: iomem range 0xfc000-0xfffff could not be reserved
pnp: 00:02: ioport range 0x4000-0x407f has been reserved
pnp: 00:02: ioport range 0x5000-0x500f has been reserved
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
PCI: setting IRQ 10 as level-triggered
ACPI: PCI Interrupt 0000:00:0b.0[A] -> Link [LNKC] -> GSI 10 (level, low) -> IRQ 10
Time: tsc clocksource has been installed.
ohci1394: fw-host0: OHCI-1394 1.0 (PCI): IRQ=[10]  MMIO=[f8114000-f81147ff]  Max Packet=[2048]  IR/IT contexts=[4/8]
PCI: Bridge: 0000:00:01.0
  IO window: c000-cfff
  MEM window: f8000000-f80fffff
  PREFETCH window: f0000000-f7ffffff
PCI: Setting latency timer of device 0000:00:01.0 to 64
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
Machine check exception polling timer started.
apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16ac)
apm: overridden by ACPI.
audit: initializing netlink socket (disabled)
audit(1208882474.340:1): initialized
Installing knfsd (copyright (C) 1996 okir at monad.swb.de).
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
input: Power Button (FF) as /class/input/input0
ACPI: Power Button (FF) [PWRF]
input: Power Button (CM) as /class/input/input1
ACPI: Power Button (CM) [PWRB]
input: Sleep Button (CM) as /class/input/input2
ACPI: Sleep Button (CM) [SLPB]
ACPI: Fan [FAN] (on)
ACPI: Thermal Zone [THRM] (40 C)
lp: driver loaded but no devices found
Linux agpgart interface v0.102 (c) Dave Jones
[drm] Initialized drm 1.1.0 20060810
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 3
PCI: setting IRQ 3 as level-triggered
ACPI: PCI Interrupt 0000:01:00.0[A] -> Link [LNKA] -> GSI 3 (level, low) -> IRQ 3
[drm] Initialized radeon 1.25.0 20060524 on minor 0
[drm] Initialized via 2.11.0 20061227 on minor 1
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378, irq 7 [PCSPP(,...)]
lp0: using parport0 (interrupt-driven).
FDC 0 is a post-1991 82077
PPP generic driver version 2.4.2
SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).
8139too Fast Ethernet driver 0.9.28
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
ACPI: PCI Interrupt 0000:00:0d.0[A] -> Link [LNKD] -> GSI 10 (level, low) -> IRQ 10
eth0: RealTek RTL8139 at 0xd000, 00:e0:4c:da:b7:78, IRQ 10
eth0:  Identified 8139 chip type 'RTL-8100B/8139D'
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller at PCI slot 0000:00:0f.1
ACPI: PCI Interrupt 0000:00:0f.1[A] -> Link [LNKA] -> GSI 3 (level, low) -> IRQ 3
PCI: VIA VLink IRQ fixup for 0000:00:0f.1, from 255 to 3
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller on pci0000:00:0f.1
    ide0: BM-DMA at 0xe100-0xe107, BIOS settings: hda:pio, hdb:pio
    ide1: BM-DMA at 0xe108-0xe10f, BIOS settings: hdc:DMA, hdd:pio
Probing IDE interface ide0...
Probing IDE interface ide1...
ieee1394: Host added: ID:BUS[0-00:1023]  GUID[003067000005c031]
hdc: SONY DVD RW DW-Q28A, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
Probing IDE interface ide0...
hdc: ATAPI 48X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(66)
Uniform CD-ROM driver Revision: 3.20
SCSI Media Changer driver v0.25 
sata_via 0000:00:0f.0: version 2.1
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10
ACPI: PCI Interrupt 0000:00:0f.0[B] -> Link [LNKB] -> GSI 10 (level, low) -> IRQ 10
sata_via 0000:00:0f.0: routed to hard irq line 10
ata1: SATA max UDMA/133 cmd 0x0001e600 ctl 0x0001dc02 bmdma 0x0001df00 irq 10
ata2: SATA max UDMA/133 cmd 0x0001dd00 ctl 0x0001de02 bmdma 0x0001df08 irq 10
scsi0 : sata_via
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ATA: abnormal status 0x7F on port 0x0001e607
ATA: abnormal status 0x7F on port 0x0001e607
ata1.00: ATA-7: Maxtor 6L160M0, BANC1G10, max UDMA/133
ata1.00: 320173056 sectors, multi 16: LBA48 NCQ (depth 0/32)
ata1.00: configured for UDMA/133
scsi1 : sata_via
ata2: SATA link down 1.5 Gbps (SStatus 0 SControl 300)
ATA: abnormal status 0x7F on port 0x0001dd07
scsi 0:0:0:0: Direct-Access     ATA      Maxtor 6L160M0   BANC PQ: 0 ANSI: 5
SCSI device sda: 320173056 512-byte hdwr sectors (163929 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
SCSI device sda: 320173056 512-byte hdwr sectors (163929 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
 sda: sda1 sda2 sda3 < sda5 sda6 sda7 >
sd 0:0:0:0: Attached scsi disk sda
sd 0:0:0:0: Attached scsi generic sg0 type 0
ieee1394: raw1394: /dev/raw1394 device initialized
PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] 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
input: AT Translated Set 2 keyboard as /class/input/input3
Advanced Linux Sound Architecture Driver Version 1.0.14rc3 (Wed Mar 14 07:25:50 2007 UTC).
ALSA device list:
  No soundcards found.
oprofile: using NMI interrupt.
ip_tables: (C) 2000-2006 Netfilter Core Team
arp_tables: (C) 2002 David S. Miller
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
ieee80211: 802.11 data/management/control stack, git-1.1.13
ieee80211: Copyright (C) 2004-2005 Intel Corporation <jketreno at linux.intel.com>
ieee80211_crypt: registered algorithm 'NULL'
Using IPI Shortcut mode
logips2pp: Detected unknown logitech mouse model 14
input: ImExPS/2 Logitech Explorer Mouse as /class/input/input4
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 192k freed
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
USB Universal Host Controller Interface driver v3.0
ACPI: PCI Interrupt 0000:00:10.0[A] -> Link [LNKA] -> GSI 3 (level, low) -> IRQ 3
uhci_hcd 0000:00:10.0: UHCI Host Controller
uhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:10.0: irq 3, io base 0x0000e200
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:10.1[A] -> Link [LNKA] -> GSI 3 (level, low) -> IRQ 3
uhci_hcd 0000:00:10.1: UHCI Host Controller
uhci_hcd 0000:00:10.1: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:10.1: irq 3, io base 0x0000e300
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:10.2[B] -> Link [LNKB] -> GSI 10 (level, low) -> IRQ 10
uhci_hcd 0000:00:10.2: UHCI Host Controller
uhci_hcd 0000:00:10.2: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:10.2: irq 10, io base 0x0000e400
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:10.3[B] -> Link [LNKB] -> GSI 10 (level, low) -> IRQ 10
uhci_hcd 0000:00:10.3: UHCI Host Controller
uhci_hcd 0000:00:10.3: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:10.3: irq 10, io base 0x0000e500
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:10.4[C] -> Link [LNKC] -> GSI 10 (level, low) -> IRQ 10
ehci_hcd 0000:00:10.4: EHCI Host Controller
ehci_hcd 0000:00:10.4: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:10.4: irq 10, io mem 0xf8113000
ehci_hcd 0000:00:10.4: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 8 ports detected
ACPI: PCI Interrupt 0000:00:11.5[C] -> Link [LNKC] -> GSI 10 (level, low) -> IRQ 10
PCI: Setting latency timer of device 0000:00:11.5 to 64
usb 2-2: new full speed USB device using uhci_hcd and address 2
Adding 995988k swap on /dev/sda7.  Priority:-1 extents:1 across:995988k
usb 2-2: configuration #1 chosen from 1 choice
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 2 if 0 alt 0 proto 2 vid 0x03F0 pid 0x8204
usbcore: registered new interface driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
EXT3 FS on sda5, internal journal
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
EXT2-fs warning (device sda2): ext2_fill_super: mounting ext3 filesystem as ext2
EXT2-fs warning (device sda6): ext2_fill_super: mounting ext3 filesystem as ext2
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
ttyS1: LSR safety check engaged!
ttyS1: LSR safety check engaged!
svc: unknown version (3 for prog 100003, nfsd)
ttyS1: LSR safety check engaged!