[syslinux] syslinux et al misbehave severely when BOOT_IMAGE= is present on append-line already

[Geert Stappers]

Op 12-01-2007 om 22:13 schreef Andreas Kotes:
> Hello hpa,
> 
> * H. Peter Anvin <hpa at zytor.com> [20070112 20:56]:
> > 
> > Please give a copy of your config file.  Syslinux wouldn't even notice 
> > the BOOT_IMAGE= on an append line, so something else is wrong.
> 
> okay, then it's most likely the extra long commandline (the kernel was
> patched to accept it) ...

See the changelog of syslinux about the size of the commandline buffer.

> Thanks for looking into it,
> 
>    Andreas
> 
> config file (content obfuscated, length kept)
  <snip/> 
>   APPEND root=/dev/ram0 initrd=filename.img ip=dhcp ntp_1=172.16.80.3 ntp_2=172.16.80.4 log_status=udp("239.192.70.1") log_syslog=udp("239.192.70.2") log_access=udp("239.192.70.3") log_error=udp("239.192.70.4") log_timings=udp("239.192.70.5") log_forensic=udp("239.192.70.6") snmp_rwcommunity=XXXXXXXXXXXXXXXXXXXXXXXX snmp_rocommunity=YYYYYYYYYYYYYYYYYYYYYYYY snmp_trap_1=172.16.80.3 snmp_trap_2=172.16.80.4 tftp_server=172.16.80.1 upstream=rsync://172.16.80.3/data errordocument=http://www.botherme.com/ BOOT_IMAGE=filename.lnx

That are more then 512 character.
Even when can reduce the number of bytes below the size limit,
you will encounter the maxium of equal signs ( eight IIRC).

I suggest to redesign the way you are passing parameters.


Cheers
Geert Stappers

> "The problem is not how to wipe out all differences,
> but how to unite with all differences intact" -- Tagore
> "God is a comedian playing to an audience too afraid to laugh." -- H.L.Mencken

   (c: