[Plex86-devel] RAM limitations.....

[Drew Northup]

I'll take a look at the memory mapping issues here....I think that may
be what the problem is--something about having a contiguous page range
available to the guest IIRC...
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> Today's Topics:
> 
>    1. memory > 24 Mb (Vladimir Stavrinov)
>    2. Re: memory > 24 Mb (Eric Laberge)
>    3. Re[2]: [Plex86-devel] memory > 24 Mb (Vladimir Stavrinov)
> 
> --__--__--
> 
> Message: 1
> Date: Mon, 16 Sep 2002 17:41:01 +0400
> From: Vladimir Stavrinov <address@hidden>
> Reply-To: Vladimir Stavrinov <address@hidden>
> Organization: Inist
> To: address@hidden
> Subject: [Plex86-devel] memory > 24 Mb
> 
> Hello
> 
> I can't allocate more then 24 Mb memory for VM. If memory = 64 then
> plex86 exit with message:
> 
> Allocating 64MB of physical memory in VM
> ioctl ALLOCVPHYS: : Invalid argument
> 
> The system is:
> 
> AMD Athlon(tm) XP 1800+  1536.853 MHz, Memory 512 Mb, Linux-2.4.19, 
> gcc-2.95.3,
> glibc-2.2.4
> 
> Plex86 compiled from recent cvs plex86-release with config options:
> 
> --enable-ne2000 --enable-pci
> 
> The same result without pci.
> 
> Running config is:
> 
> memory = 64
> plugin = ./plugins/bochs/plugin-bochs.so
> bochs-opt boot: c
> bochs-opt diskc: file="/root/plex86/disks/winnt.img", cyl=2048, heads=16, 
> spt=63
> bochs-opt floppya: 1_44=/root/plex86/disks/msdos.floppy, status=inserted
> bochs-opt keyboard_serial_delay: 50
> bochs-opt floppy_command_delay: 500
> bochs-opt vga_update_interval: 90000
> bochs-opt mouse: enabled=0
> bochs-opt private_colormap: enabled=0
> bochs-opt i440fxsupport: enabled=1
> bochs-opt newharddrivesupport: enabled=1
> bochs-opt ips: 1000000
> bochs-opt ne2k: ioaddr=0x300, irq=5, mac=12:34:56:78:9a:bc, ethmod=null, 
> ethdev=xl0
> plugin = ./plugins/bridge/bridge.so
> plugin = ./plugins/bochs/iodev/cmos.so
> plugin = ./plugins/bochs/iodev/dma.so
> plugin = ./plugins/bochs/iodev/system.so
> plugin = ./plugins/bochs/iodev/vga.so
> plugin = ./plugins/bochs/iodev/serial.so
> plugin = ./plugins/bochs/iodev/parallel.so
> plugin = ./plugins/bochs/iodev/keyboard.so
> plugin = ./plugins/bochs/iodev/floppy.so
> plugin = ./plugins/bochs/iodev/harddrv.so
> CMOSChecksum
> load-rom: file=../bios/BIOS-bochs-latest, address=0xf0000
> load-rom: file=../bios/VGABIOS-lgpl-0.3a, address=0xc0000
> db_syntax = at&t
> prescan: depth = 3, ring3 = on
> 
> Do anybody know how to fix this?
> 
> --
> Best regards,
>  Vladimir                          mailto:address@hidden
> 
> --__--__--
> 
> Message: 2
> From: Eric Laberge <address@hidden>
> Reply-To: address@hidden
> To: address@hidden
> Subject: Re: [Plex86-devel] memory > 24 Mb
> Date: Mon, 16 Sep 2002 16:47:18 -0400
> 
> On Mon September 16 2002 09:41, Vladimir Stavrinov wrote:
> > Hello
> >
> > I can't allocate more then 24 Mb memory for VM. If memory =3D 64 then
> > plex86 exit with message:
> >
> > Allocating 64MB of physical memory in VM
> > ioctl ALLOCVPHYS: : Invalid argument
> >
> > Do anybody know how to fix this?
> 
> kernel/include/monitor.h:279:#define PLEX86_MAX_PHY_MEGS 32
> 
> Hardcoded to a 32 MB max.
> 
> I never tried up'ping this value to 64 MB, I don't know if the BIOS can h=
> andle=20
> it. Please, try and report back to the list :-)
> 
> --=20
> Eric Laberge
> ICQ: 1261355
> MSN: address@hidden
> Jabber: address@hidden
> 
> GCS/M/S d-(++) s-: a-- C++(++++) UL+++>$ !P L++ E--- W++ N+ w++ !O M
> !V PS PE Y PGP-(+++) t++(-) X- R* tv+ b+ DI+++  D+ G e+>+++++ h! r--
> 
> --__--__--
> 
> Message: 3
> Date: Tue, 17 Sep 2002 11:25:19 +0400
> From: Vladimir Stavrinov <address@hidden>
> Reply-To: Vladimir Stavrinov <address@hidden>
> Organization: Inist
> To: Eric Laberge <address@hidden>
> CC: address@hidden
> Subject: Re[2]: [Plex86-devel] memory > 24 Mb
> 
> Hello Eric,
> 
> 2002.September-17-Tuesday, 00:47:18, you wrote:
> 
> EL> kernel/include/monitor.h:279:#define PLEX86_MAX_PHY_MEGS 32
> 
> EL> Hardcoded to a 32 MB max.
> 
> EL> I never tried up'ping this value to 64 MB, I don't know if the BIOS can 
> handle
> EL> it. Please, try and report back to the list :-)
> 
> Done:
> 
> kernel/include/monitor.h:279:#define PLEX86_MAX_PHY_MEGS 512
> 
> Now it don't working at all regardless what the memory = ? is:
> 
> Allocating 4MB of physical memory in VM
> ioctl ALLOCVPHYS: : Cannot allocate memory
> 
> I don't think this is BIOS problem, because bochs is working with any
> size of memory while BIOS is the same.
> 
> --
> Best regards,
>  Vladimir                            mailto:address@hidden
> 
> --__--__--
> 
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> End of Plex86-devel Digest

-- 
|^^^ |  | |^^| |^^^  Drew Northup, N1XIM  |^^| |    |^^^ \  / /^^\ /^^~
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