[syslinux] PXE looping on localboot

[Lee Eric]

On Fri, May 25, 2012 at 12:45 AM, Andrew Bobulsky <rulerof at gmail.com> wrote:
> Hello Lee,
>
> On Thu, May 24, 2012 at 12:01 PM, Lee Eric <openlinuxsource at gmail.com> wrote:
>> Okay guys, 2 suggestions:
>>
>> 1. Change your NBP to the latest version.
>> 2. Using chain.c32 as chainloader. It's quite stable as I tried in
>> many different servers.
>
> Regarding chain.c32, is there a consensus here that using it against
> hd0 (or hd1, hd2, hdN) is the most robust way to move from PXELINUX to
> a local disk?  I remember that doing so was always a little bit
> difficult when working with gPXE, and PXELINUX's "localboot" directive
> was always much more reliable on the Dell Optiplex systems I was
> working with at the time (of course, iPXE has since worked around that
> problem by allowing "sanboot" to apply to local disks).
>
Mate, I ever used localboot to boot up a hard disk. But due to
firmware/BIOS defect some systems cannot handle it well. chain.c32 can
solve that issue well.
> Back to the point of my question though, I do recall some instances
> where PXELINUX's localboot didn't quite work correctly
> (troubleshooting a server or something by PXE booting is always a fun
> pastime :D), so, do you recommend using chain.c32 only as a workaround
> to this and similar problems, or actually as a best practice for
> situations where PXELINUX is part of a standard boot process?
It's not a workaround. I do recommend to use this way to boot up hard disk.
I have lots of systems including workstations and servers in my DC. It
runs well.
>
> Cheers,
> Andrew Bobulsky
>
>> On Thu, May 24, 2012 at 11:39 PM, Vanush Misha <misha at cs.nuim.ie> wrote:
>>> On Thu, 24 May 2012 16:22:10 +0200 Pascal Legrand
>>> <Pascal.Legrand at univ-orleans.fr> wrote:
>>>
>>>> > I have seen posts about this problem, but have had trouble finding
>>>> > how/if it was resolved. I am trying to upgrade from syslinux-3.11
>>>> > to syslinux-3.86 on RHEL5.
>>>> >
>>>> > On 3.86, when it performs a local boot from hard disk, it just
>>>> > keeps looping back into PXE boot again instead of booting from the
>>>> > hard disk. It will perform a system install just fine, but when it
>>>> > switches to localboot after the install, it keeps looping through
>>>> > PXE boot.
>>>> >
>>>> > The file in pxelinux.cfg looks like this:
>>>> > #boot
>>>> > DEFAULT xCAT
>>>> > LABEL xCAT
>>>> > LOCALBOOT 0
>>>> >
>>>> > This works just fine in 3.11. I also noticed that in 3.86, there's
>>>> > a message on the console about "!PXE entry point not found" which I
>>>> > don't see in 3.11. The hardware involved is IBM BladeCenter HS21,
>>>> > with onboard Broadcom gigabit ethernet.
>>>> >
>>>> > Is there a solution for this problem?
>>>> >
>>>> > Mike Waldron
>>>> >
>>>> > _________________________________________
>>>>
>>>> here is mine :
>>>> #Boot local
>>>>         LABEL BootNormal
>>>>         MENU LABEL Boot local
>>>>         MENU DEFAULT
>>>>         COM32 chain.c32
>>>>         APPEND hd0
>>>>
>>>> not sure it's the solution for your problem
>>>>
>>>
>>> This worked for me.
>>>
>>> --
>>> Vanush "Misha" Paturyan
>>> Senior Technical Officer
>>> Room 1.37
>>> Computer Science Department
>>> NUI Maynooth
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>>
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