Re: [BUG] 2.4.1 Detects 64 MB RAM, actual 192MB

[Adam Schrotenboer]

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Mikael Pettersson wrote:

   > On Tue, 30 Jan 2001 23:25:22 -0500, Adam Schrotenboer wrote:
   >
   >> 2.4.1 detects 64 MB, but 2.4.0 detects 192 (Maybe 191, not sure).
   >> ...
   >> Linux version 2.4.1 (root@tabriel) (gcc version egcs-2.91.66
19990314/Linux (egcs-1.1.2 release)) #9 Tue Jan 30 15:35:21 EST 2001
   >> BIOS-provided physical RAM map:
   >> BIOS-88: 000000000009f000 @ 0000000000000000 (usable)
   >> BIOS-88: 0000000003ff0000 @ 0000000000100000 (usable)
   >> On node 0 totalpages: 16624
   >> ...
   >> CPU: AMD-K7(tm) Processor stepping 02
   >> ...
   >> BIOS Vendor: Award Software International, Inc.
   >> BIOS Version: 6.0 PG
   >> BIOS Release: 11/23/99
   >> Board Vendor: MICRO-STAR INTERNATIONAL CO., LTD.
   >> Board Name: MS-6167 (AMD751).
   >> Board Version: 1.X.
   >
   >
   > Why on earth is this fairly recent motherboard using BIOS-88
   > to report available memory? I would have expected E820 here.
   > Can you send the dmesg output from 2.4.0 and/or 2.2.19pre7?
   >
   > /Mikael

<oops forgot to cc to lk /oops>
Here You go, dmesg from 2.4.0

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Linux version 2.4.0 (root@tabriel) (gcc version pgcc-2.95.2 19991024 (release)) #2 Mon Jan 8 09:02:27 EST 2001
BIOS-provided physical RAM map:
 BIOS-e820: 000000000009fc00 @ 0000000000000000 (usable)
 BIOS-e820: 0000000000000400 @ 000000000009fc00 (reserved)
 BIOS-e820: 0000000000010000 @ 00000000000f0000 (reserved)
 BIOS-e820: 0000000000010000 @ 00000000ffff0000 (reserved)
 BIOS-e820: 000000000bef0000 @ 0000000000100000 (usable)
 BIOS-e820: 000000000000d000 @ 000000000bff3000 (ACPI data)
 BIOS-e820: 0000000000003000 @ 000000000bff0000 (ACPI NVS)
On node 0 totalpages: 49136
zone(0): 4096 pages.
zone(1): 45040 pages.
zone(2): 0 pages.
Kernel command line: BOOT_IMAGE=k240 ro root=341
Initializing CPU#0
Detected 598.851 MHz processor.
Console: colour VGA+ 132x43
Calibrating delay loop... 1196.03 BogoMIPS
Memory: 191308k/196544k available (863k kernel code, 4848k reserved, 278k data, 200k init, 0k highmem)
Dentry-cache hash table entries: 32768 (order: 6, 262144 bytes)
Buffer-cache hash table entries: 8192 (order: 3, 32768 bytes)
Page-cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 16384 (order: 5, 131072 bytes)
CPU: Before vendor init, caps: 0081f9ff c0c1f9ff 00000000, vendor = 2
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 512K (64 bytes/line)
CPU: After vendor init, caps: 0081f9ff c0c1f9ff 00000000 00000000
CPU: After generic, caps: 0081f9ff c0c1f9ff 00000000 00000000
CPU: Common caps: 0081f9ff c0c1f9ff 00000000 00000000
CPU: AMD-K7(tm) Processor stepping 02
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.37 (20001109) Richard Gooch ([e-mail])
mtrr: detected mtrr type: Intel
PCI: PCI BIOS revision 2.10 entry at 0xfb470, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
Unknown bridge resource 0: assuming transparent
isapnp: Scanning for Pnp cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
DMI 2.2 present.
39 structures occupying 1001 bytes.
DMI table at 0x000F0800.
BIOS Vendor: Award Software International, Inc.
BIOS Version: 6.0 PG
BIOS Release: 11/23/99
Board Vendor: MICRO-STAR INTERNATIONAL CO., LTD.
Board Name: MS-6167 (AMD751).
Board Version: 1.X.
apm: BIOS version 1.2 Flags 0x07 (Driver version 1.14)
Starting kswapd v1.8
pty: 256 Unix98 ptys configured
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
AMD7409: IDE controller on PCI bus 00 dev 39
AMD7409: chipset revision 3
AMD7409: not 100% native mode: will probe irqs later
AMD7409: disabling single-word DMA support (revision < C4)
    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:pio
hda: WDC AC28400R, ATA DISK drive
hdb: IBM-DHEA-38451, ATA DISK drive
hdc: TOSHIBA DVD-ROM SD-M1202, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 16514064 sectors (8455 MB) w/512KiB Cache, CHS=1027/255/63, UDMA(33)
hdb: 16514064 sectors (8455 MB) w/472KiB Cache, CHS=1027/255/63, UDMA(33)
Partition check:
 /dev/ide/host0/bus0/target0/lun0: p1
 /dev/ide/host0/bus0/target1/lun0: p1 p2 < p5 >
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
Real Time Clock Driver v1.10d
8139too Fast Ethernet driver 0.9.13 loaded
eth0: RealTek RTL8139 Fast Ethernet at 0xcc800000, 00:e0:7d:50:3f:3d, IRQ 10
eth0:  Identified 8139 chip type 'RTL-8139A'
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 149M
agpgart: Detected AMD Irongate chipset
agpgart: AGP aperture is 32M @ 0xd8000000
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 1024 buckets, 8Kbytes
TCP: Hash tables configured (established 16384 bind 16384)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
devfs: v0.102 (20000622) Richard Gooch ([e-mail])
devfs: devfs_debug: 0x0
devfs: boot_options: 0x0
VFS: Mounted root (ext2 filesystem) readonly.
Mounted devfs on /dev
Freeing unused kernel memory: 200k freed
Adding Swap: 136512k swap-space (priority -1)

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