[syslinux] "EDD Load error" on btrfs, how to debug?

[Gene Cumm]

On Tue, May 20, 2014 at 12:20 PM, Anatol Pomozov
<anatol.pomozov at gmail.com> wrote:
> Hi
>
> On Tue, May 20, 2014 at 9:18 AM, Anatol Pomozov
> <anatol.pomozov at gmail.com> wrote:
>> Hi
>>
>> On Tue, May 20, 2014 at 3:12 AM, Gene Cumm <gene.cumm at gmail.com> wrote:
>>> On May 20, 2014 12:33 AM, "Anatol Pomozov" <anatol.pomozov at gmail.com> wrote:
>>>>
>>>> Hi
>>>>
>>>> On Mon, May 19, 2014 at 6:58 PM, Gene Cumm <gene.cumm at gmail.com> wrote:
>>>> > On May 19, 2014 5:17 PM, "Anatol Pomozov" <anatol.pomozov at gmail.com>
>>>> > wrote:
>>>> >
>>>> >> Besides syslinux itself other things has changed e.g. gcc (but I
>>>> >> really hope my problem not because of compiler).
>>>> >
>>>> > This alone can be the trigger.This might be a starting point: build 6.02
>>>> > with your current toolchain.
>>>>
>>>> I built 6.02 with the current toolchain in a clean chroot environment
>>>> (i.e. no local modifications) and it works fine. Then I built
>>>> 6.03-pre1 6.03-pre9 6.03-pre11 and all 6.03 fail with "EDD Load
>>>> error".
>>>>
>>>> > Size problem again?
>>>> Where I can read more about this problem? How to check that my
>>>> binary/system is affected by the problem?
>>>
>>> I believe he means the size of ldlinux.sys/ldlinux.bin.  Could you check the
>>> size of both in your builds?
>>
>> Files from
>> http://mirrors.kernel.org/archlinux/testing/os/x86_64/syslinux-6.03pre11-2-x86_64.pkg.tar.xz

>> The most interesting files are here
>> [anatol at archie ~]$ ls -l /boot/syslinux/ldlinux.*
>> -rw-r--r-- 1 root root 122044 May 15 08:07 /boot/syslinux/ldlinux.c32
>> -r--r--r-- 1 root root  67072 May 15 08:07 /boot/syslinux/ldlinux.sys
>>
>> ldlibyx.sys is slightly bigger than 64k, does it indicate the problem
>> in the newer syslinux?
>
>
> And this is the syslinux from previous version (6.02)
>
> [anatol at archie ~]$ ls -l /boot/syslinux/ldlinux.*
> -rw-r--r-- 1 root root 116860 May 20 09:18 /boot/syslinux/ldlinux.c32
> -r--r--r-- 1 root root  60416 May 20 09:18 /boot/syslinux/ldlinux.sys
>
> In this case ldlinux.sys fits 64K.

Yes, as Ady noted, the apparent size of ldlinux.sys after installation
must be under 64k for it to work with btrfs.

-- 
-Gene