[syslinux] Append line size limit in syslinux 3.72

[Dag Wieers]

On Thu, 9 Oct 2008, H. Peter Anvin wrote:

> H. Peter Anvin wrote:
>> Dag Wieers wrote:
>>
>>> Is there still a known limit of 255 characters of the append line in
>>> syslinux (isolinux) from the config file ?
>>>
>>> A quick test showed me that when the APPEND line in the config-file is
>>> longer than 255 characters it arrives truncated in Linux.
>>>
>>> While typing more than 255 characters on the commandline does not cause
>>> the same issue and in Linux the kernel commandline exceeds the 255
>>> character limit without a problem.
>>>
>>> This is tested using RHEL4.6 anaconda's 2.4.9 (BOOT) kernel.
>>
>> Ancient Linux kernels like that have 255-character limit.
>>
>> Modern Linux kernels have a 2047-character limit.
>
> Wait... you're talking about RHEL4.  That must be a 2.6.9 kernel.
> Either way, only kernels after 2.6.21 support more than 256 characters,
> so I'm more than a bit confused about that.

Yes, I meant 2.6.9. And I was convinced that the limit was gone earlier in 
the 2.6 series. That means that even RHEL5 is still affected, damnit !

-- 
--   dag wieers,  dag at wieers.com,  http://dag.wieers.com/   --
[Any errors in spelling, tact or fact are transmission errors]