From: Andrew Morton
Date: Thu Nov 11 2004 - 16:15:42 EST

Hugh Dickins <hugh@xxxxxxxxxxx> wrote:
> What is this "VLI" that 2.6.9 started putting after the taint string
> in i386 oopses? Vick Library Index? Vineyard Leadership Institute?
> Shall we just remove it?

It's a magic kaos cookie:

ksymoops handles up to 64 code bytes so dump eip-43:eip+20 with the eip
byte enclosed in <>. Add the string 'VLI ' (variable length
instructions) just before the taint output, ksymoops 2.4.8 will look
for 'VLI ' on the 'EIP:' line and split the code line into two chunks.


The VLI indicator tells ksymoops the dump has variable length
instructions so ksymoops splits the code into two lines at the eip byte.
Without the VLI indicator or using ksymoops < 2.4.9, ksymoops decodes the
whole line in one go.

I think the rationale is mainly so that new ksymoopses won't make a mess of
old oops records.

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