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John T Kohl
more on 486/33 weirdness
Here are more details on my problems with booting in turbo mode: system config: 486DX/33, 256K cache, 8MB main memory American Megatrends, Inc. BIOS real-time clock 1 3.5" floppy (A:), 1 5.25" floppy (B:) 1 200MB IDE drive (connor) C:, /dev/hd2, /dev/hd3, D: partitions (in that order) SVGA: (Orchid ProDesigner IIs/1MB) I boot off the 3.5" floppy, with root partition on /dev/hd2 and/or /dev/hd3. sample errors when in "turbo" (33MHz) mode: <startup stuff> Partition table Ok. ...
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Nov 17, 3:11 am 1991
Peter MacDonald
alternative to paging
I just downloaded sed, tr etc from TSX-11 and are they ever big! An alternative to the demand paging scenario I just posted would solve another, probably more pressing, problem. 9k : size of minix executable of diff 36k : size of gcc compiled executable of diff 4k : size of gcc compiled diff.o It won't be to long before my disk flow'th over. Not to mention ram requirments. Can anyone give me any advice on implementing dynamic link shared libraries? I need to figure out: - shoul...
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Nov 16, 9:07 pm 1991
Peter MacDonald
demand paging: proposal
I finally bit the bullet. Yup, I blew away my dos partition and put Linux on it. Now I would like to start a project. I consider virtual consoles to be high priority, but until init/login etc is done, there is probably no use starting that. Thus I am proposing to look at demand paging from the file system. If Linus agrees to consider adding it to linux when it is done, and nobody successfully shoots this proposal down, I will start tuit suite. If someone else wants to help (or do all of ...
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Nov 16, 8:28 pm 1991
Theodore Ts'o
Re: demand paging: proposal
Everyone should note that this is not the original meaning of the sticky bit, in the BSD 4.3 sense. In the BSD sense, what the sticky bit means is that after the program exits, its entry in the text table is not purged and its swap space is not reclaimed. The program was _not_ locked into memory, and would get swapped out if demands were placed on the VM system. The rationale behind this is that in a time-sharing environment, programs like GNU emacs are almost in use by *someone*, and in the cas...
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Nov 16, 11:47 pm 1991
Linus Benedict Torvalds
demand-loding etc
You don't start small, do you :-). If I /agree/ to add it to linux? If anybody implementes paging, he's going to get 2 extra copies of linux for free. How's that for an offer? Seriously, adding demand-loading should be relatively easy. I wouldn't suggest going past the filesystem, even for saving the block-numbers somewhere (and a bit-map won't do it, block nr must be ordered). Having the inode-pointer in the process table entry (and not releasing it before an exit), and using that to find th...
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Nov 17, 6:36 am 1991
Theodore Ts'o
Re: Linux vs. 486/33
Date: Sat, 16 Nov 91 01:03:49 -0700 From: John T Kohl <jtkohl@Athena.MIT.EDU> I just got a new 486/33 today, and linux only seems to want to boot if the "turbo" switch is turned off. If I turn it once I'm running ,it seems to cause no problems. Interesting.... I have no problems running at 40Mhz on my 386. How does it die? - Ted
Nov 16, 9:58 pm 1991
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