[ipxe-devel] Sanboot And ISO Images?

[Hummel Frank]

If your primary target is just running memtest you might want to try this script which uses ipxe for a fast download and then chains to syslinux-memdisk.
Until now this procedure worked for all sorts of ISO images I used.
No need to use a special version of memtest.

set sanboot-url http://123.456.789.012/memtest
dhcp net0 && echo IP address: ${net0/ip} && echo Subnet mask: ${net0/netmask} && goto DHCP_OK_i ||
dhcp net1 && echo IP address: ${net1/ip} && echo Subnet mask: ${net1/netmask} && goto DHCP_OK_i ||
dhcp net2 && echo IP address: ${net2/ip} && echo Subnet mask: ${net2/netmask} && goto DHCP_OK_i || goto DHCP_failed
:DHCP_OK_i
initrd ${sanboot-url}/memtest86_5_01.iso
chain syslinux/memdisk iso raw

Frank



-----Ursprüngliche Nachricht-----
Von: ipxe-devel-bounces at lists.ipxe.org [mailto:ipxe-devel-bounces at lists.ipxe.org] Im Auftrag von Dyweni - iPXE-Devel
Gesendet: Dienstag, 8. April 2014 04:07
An: Michael Brown
Cc: ipxe-devel at lists.ipxe.org
Betreff: Re: [ipxe-devel] Sanboot And ISO Images?

Thanks for the replies.

I ended up using the 4.20 and 5.01 ELF builds of Memtest86+.  The zImage versions both reported that the requested memory was not available.

Oddly, the 5.01 ELF version errors out immediately after it starts scanning (both under VirtualBox and a physical machine).  The physical machine gives a couple beeps and reboots instantly.  The 4.20 ELF version reports no errors on the same physical machine.  Has anyone else encountered this?




---
Thanks,
Dyweni


On 2014-04-07 17:44, Michael Brown wrote:
> On 07/04/14 06:26, Dyweni - iPXE-Devel wrote:
>> INT13 drive 80 El Torito requires emulation type 02 Boot from SAN 
>> device 0x80 failed: Operation not supported
>> (http://ipxe.org/3c852003)
>> INT13 drive 80 unregistered
>> Unregistered SAN device 0x80
>> ...
>> -----
>> 
>> I'm using latest master version... git commit 93acbd5
>> 
>> Any ideas where to look / what to try now?
> 
> That ISO requires El Torito floppy disk emulation, which iPXE doesn't 
> support for CD-ROMs since almost nobody uses it.
> 
> You can use the (unzipped) memtest86+ binary from
> 
>   http://www.memtest.org/download/5.01/memtest86+-5.01.bin.gz
> 
> It's a Linux zImage kernel binary, which iPXE can load directly.
> 
> As Andrew mentioned, you can also use the PXE-bootable version of
> memtest86+.  It looks as though the memtest86+ maintainers ignored
> these patches, but you can find them (for version 4.20) at
> 
>   http://git.ipxe.org/people/mcb30/memtest.git/shortlog/refs/heads/pxe
> 
> with a prebuilt binary at
> 
>   http://boot.ipxe.org/memtest.0
> 
> Michael
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