Messages in this thread | | | Date | Thu, 8 Feb 2001 17:09:31 -0600 | From | Michael Hobgood <> | Subject | Re: Mem detection problem |
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On Thu, Feb 08, 2001 at 11:52:54AM -0500, Adam Schrotenboer wrote: > This is actually a repost of a problem that received few serious replies > (IMNSHO). > > Basically 2.4.0 detects 192 MB(maybe 191, but big whoop) of memory. This > is correct. However, 2.4.1-ac6 (as did Linus-blessed 2.4.1) detects 64. > The problem is simple. 2.4.1 and later for some reason uses bios-88, > instead of e820. > > Attached are the dmesgs from 2.4.0 and 2.4.1-ac6.
[snip]
Perhaps on your machine, but not on all. Small amount of dmesg from mine.
Linux version 2.4.2-pre1 (root@BrightStar) (gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #1 Tue Feb 6 05:34:32 CST 2001 BIOS-provided physical RAM map: BIOS-e820: 000000000009f800 @ 0000000000000000 (usable) BIOS-e820: 0000000000000800 @ 000000000009f800 (reserved) BIOS-e820: 000000000000e800 @ 00000000000f1800 (reserved) BIOS-e820: 0000000011f00000 @ 0000000000100000 (usable) BIOS-e820: 000000000000e800 @ 00000000ffff1800 (reserved) ^^^^
On node 0 totalpages: 73728 zone(0): 4096 pages. zone(1): 69632 pages. zone(2): 0 pages. Kernel command line: BOOT_IMAGE=242 ro root=342 hdd=ide-scsi ide_setup: hdd=ide-scsi Initializing CPU#0 Detected 334.098 MHz processor. Console: colour VGA+ 80x25 Calibrating delay loop... 666.82 BogoMIPS Memory: 287948k/294912k available (953k kernel code, 6576k reserved, 319k data, 172k init, 0k highmem) ^^^^^^ the 294912k is correct
Dentry-cache hash table entries: 65536 (order: 7, 524288 bytes) Buffer-cache hash table entries: 16384 (order: 4, 65536 bytes) Page-cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
Cordially, Michael Hobgood
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