Messages in this thread | | | From | Guolin Cheng <> | Subject | RE: [Etherboot-users] 1G memory limit and Etherboot | Date | Mon, 17 Dec 2001 18:09:16 -0800 |
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hi, Eric,
I tried a few days ago, using etherboot 5.0.2, mknbi 1.2.6 with different --rdbase options, but all failed. The kernel is 2.4.13, the initrd is around 64M.
The netbooted client is a 1.5G memory HP Vectra 420. It can successfully netbooted with 512M memory. But can not boot when memory is added to 1024M and 1.5G.
The error prompt is something like:
Kernel panic: VFS: Unable to mount root fs on 01:00
I'm using Official kernel 2.4.13, the base system is RedHat 7.1 on HP vectra 420.
The commands I used to create the tagged images is:
/usr/bin/mknbi-linux --output=./kernel.test.0540 --ip=dhcp --rdbase=0x5b000000 --rootdir=/dev/ram0 --append="idebus=66 ide0=ata66 ide1=ata66 ro" bzImage initrd
I also tried options, --rdbase=top/asis/0x00300000, all can failed with the same above problem.
At last I use local hard disk boot, with the same kernel (4G high memory option enabled), it can boot successfully, then I tried to see the memory mapping, and get the following information:
arc251.alexa.com guolin 64% cat /proc/iomem 00000000-0009fbff : System RAM 0009fc00-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000c8800-000c9fff : Extension ROM 000ca000-000cdfff : reserved 000e0000-000effff : Extension ROM 000f0000-000fffff : System ROM 00100000-5ffeffff : System RAM 00100000-002794af : Kernel code 002794b0-002efd17 : Kernel data 5fff0000-5fff7fff : ACPI Tables 5fff8000-5fffffff : ACPI Non-volatile Storage d7a00000-dfafffff : PCI Bus #01 d8000000-dbffffff : PCI device 1002:5446 (ATI Technologies Inc) dfb00000-dfbfffff : PCI Bus #02 dfd00000-dfdfffff : PCI Bus #01 dfdfc000-dfdfffff : PCI device 1002:5446 (ATI Technologies Inc) dfe00000-dfefffff : PCI Bus #02 dfeff000-dfefffff : Intel Corporation 82820 (ICH2) Chipset Ethernet Controller dfeff000-dfefffff : eepro100 e0000000-e3ffffff : Intel Corporation 82845 845 (Brookdale) Chipset Host Bridge fff00000-ffffffff : reserved
Please suggest which method, I can try to netboot the machine. Thanks a lot.
Yours sincerely, Guolin Cheng
-----Original Message----- From: Guolin Cheng Sent: Thursday, November 08, 2001 1:32 PM To: Ops Subject: FW: [Etherboot-users] 1G memory limit and Etherboot
-----Original Message----- From: ebiederman@lnxi.com [mailto:ebiederman@lnxi.com] Sent: Thursday, November 08, 2001 11:17 AM To: Christopher Fowler Cc: Etherboot-users Subject: Re: [Etherboot-users] 1G memory limit and Etherboot
"Christopher Fowler" <cfowler@outpostsentinel.com> writes:
> How do I specify that at boot?
It depends on what you are doing. With mnknbi --rdbase. With other bootloaders it varies. The easy solution is to get a newer kernel.
Eric
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