Perhaps you are beyond the following suggestions, but you might consider
the following.
From /opt/ltsp/i386/etc/rc.local, I see the following four lines,
   echo "Creating ramdisk on /tmp"
   RAMDISK_SIZE=`get_cfg RAMDISK_SIZE 1024`
   /sbin/mke2fs -q -m0 /dev/ram1 ${RAMDISK_SIZE}
   /bin/mount -n /dev/ram1 /tmp
Once your diskless computer has largely started, 
you might try entering these lines by hand, something like,
   /sbin/mke2fs -v  /dev/ram2  1024
   /bin/mount       /dev/ram2  /tmp
This will merely verify that these commands (mke2fs and mount) work as expected.

I suspect your "mke2fs" is failing.
Perhaps you compiled your own 2.4.20 kernel, although "2.4.20-ltsp-1"
implies you used an LTSP premade kernel.
Looking at one of my kernel configuration's .config files 
(although used for non-LTSP), I notice that I ended up with 
the following amongst the many lines of .config
   CONFIG_BLK_DEV_LOOP=y
   CONFIG_BLK_DEV_RAM=y
   CONFIG_RAMFS=y

Perhaps you need to set those:  "make xconfig"  would work
best to compile your kernel, 
but then you need to infer the proper GUI buttons to push.



On Wed, Mar 19, 2003 at 05:29:48PM -0800, rwillis wrote:
> Here is a dump from a serial console :
> 
> Linux version 2.4.20-ltsp-1 ([EMAIL PROTECTED]) (gcc version 3.2 20020903 (Red Hat
> Linux 8.0 3.2-7)) #2 Wed Mar 19 17:02:34 PST 2003
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 0000000000087000 (usable)
>  BIOS-e820: 0000000000087000 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000dc000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000003fef0000 (usable)
>  BIOS-e820: 000000003fef0000 - 000000003fefc000 (ACPI data)
>  BIOS-e820: 000000003fefc000 - 000000003ff00000 (ACPI NVS)
>  BIOS-e820: 000000003ff00000 - 000000003ff80000 (usable)
>  BIOS-e820: 000000003ff80000 - 0000000040000000 (reserved)
>  BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
>  BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
>  BIOS-e820: 00000000ff800000 - 00000000ffc00000 (reserved)
>  BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
> Warning only 896MB will be used.
> Use a HIGHMEM enabled kernel.
> 896MB LOWMEM available.
> On node 0 totalpages: 229376
> zone(0): 4096 pages.
> zone(1): 225280 pages.
> zone(2): 0 pages.
> Kernel command line: init=/linuxrc rw root=/dev/ram0
> initrd=initrd-2.4.20-ltsp-1.gz ether=eth0 console=ttyS0,9600
> BOOT_IMAGE=bzImage-2.4.20-ltsp-1 auto
> Initializing CPU#0
> Detected 2400.120 MHz processor.
> Console: colour VGA+ 80x25
> Calibrating delay loop... 4784.12 BogoMIPS
> Memory: 904664k/917504k available (1391k kernel code, 12356k reserved, 307k
> data, 264k init, 0k highmem)
> Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
> Inode cache hash table entries: 65536 (order: 7, 524288 bytes)
> Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
> Buffer-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Page-cache hash table entries: 262144 (order: 8, 1048576 bytes)
> CPU: L1 I cache: 0K, L1 D cache: 8K
> CPU: L2 cache: 512K
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU: Intel(R) Xeon(TM) CPU 2.40GHz stepping 07
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... OK.
> POSIX conformance testing by UNIFIX
> PCI: PCI BIOS revision 2.10 entry at 0xfd8b5, last bus=4
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> Transparent bridge - Intel Corp. 82801BA/CA/DB PCI Bridge
> PCI: Discovered primary peer bus 10 [IRQ]
> PCI: Discovered primary peer bus 11 [IRQ]
> PCI: Discovered primary peer bus 12 [IRQ]
> PCI: Using IRQ router PIIX [8086/2480] at 00:1f.0
> PCI: Found IRQ 11 for device 00:1f.1
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> Starting kswapd
> Journalled Block Device driver loaded
> devfs: v1.12c (20020818) Richard Gooch ([EMAIL PROTECTED])
> devfs: boot_options: 0x0
> Installing knfsd (copyright (C) 1996 [EMAIL PROTECTED]).
> ACPI: Core Subsystem version [20011018]
> ACPI: Subsystem enabled
> parport0: PC-style at 0x378 (0x778) [PCSPP(,...)]
> parport0: irq 7 detected
> pty: 256 Unix98 ptys configured
> Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ
> SERIAL_PCI enabled
> ttyS00 at 0x03f8 (irq = 4) is a 16550A
> ttyS01 at 0x02f8 (irq = 3) is a 16550A
> FDC 0 is a post-1991 82077
> RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
> loop: loaded (max 8 devices)
> Intel(R) PRO/1000 Network Driver - version 4.4.12-k1
> Copyright (c) 1999-2002 Intel Corporation.
> PCI: Found IRQ 11 for device 02:03.0
> PCI: Sharing IRQ 11 with 02:01.0
> eth0: Intel(R) PRO/1000 Network Connection
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP
> IP: routing cache hash table of 8192 buckets, 64Kbytes
> TCP: Hash tables configured (established 262144 bind 65536)
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> RAMDISK: Compressed image found at block 0
> Freeing initrd memory: 271k freed
> VFS: Mounted root (ext2 filesystem).
> Freeing unused kernel memory: 264k freed
> ============================================================================
> ===
> Running /linuxrc
> Mounting /proc
> Running dhclient
> e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex
> Mounting root filesystem: /opt/ltsp/i386 from: 192.168.20.2
> Doing the pivot_root
> Mounting the devfs filesystem
> Running /sbin/init
> Started device management daemon for /dev
> Mounting /proc filesystem
> Creating ramdisk on /tmp
> mke2fs 1.18, 11-Nov-1999 for EXT2 FS 0.5b, 95/08/09
> Current hostname: lister
> /etc/rc.local: /tmp/mtab: Permission denied
> /etc/rc.local: /tmp/resolv.conf: Permission denied
> Setting up loopback device
> mkdir: Cannot create directory `/tmp/compiled': Operation not permitted
> mkdir: Cannot create directory `/tmp/var': Operation not permitted
> mkdir: Cannot create directory `/tmp/var/run': No such file or dire
> 
> 
> As you can see, I used kernel version 2.4.20. I did this to get the
> e1000 ethernet driver inside the kernel. I commented out the section
> in the linuxrc file that tried to modprobe for a driver as it was
> already running by the time the linuxrc file was started. (NOTE: do
> NOT enable IP:Kernel Level Autoconfiguration in the kernel config, it
> just messes things up for LTSP).
> 
> 
> So now the rc.local script is trying to create files on the new RAMdrive
> mounted to /tmp and is getting denyed... any ideas? I did notice that the
> mke2fs command that make the RAMdisk does not reserve anything for root, but
> I don't think that this is the problem.
> 

-- 
Jameson C. Burt, NJ9L   Fairfax, Virginia, USA
[EMAIL PROTECTED]       http://www.coost.com

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