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SubjectRe: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)
o.k. finally finished with the bisect:

reverting this gets things going on 2.6.33-rc5

789d03f584484af85dbdc64935270c8e45f36ef7 is the first bad commit
commit 789d03f584484af85dbdc64935270c8e45f36ef7
Author: Jan Beulich <>
Date: Tue Jun 30 11:52:23 2009 +0100

x86: Fix fixmap ordering

The merge of the 32- and 64-bit fixmap headers made a latent
bug on x86-64 a real one: with the right config settings
it is possible for FIX_OHCI1394_BASE to overlap the FIX_BTMAP_*

Signed-off-by: Jan Beulich <>
Cc: <> # for 2.6.30.x
LKML-Reference: <>
Signed-off-by: Ingo Molnar <>

The only thing I can think of at this point
is maybe the CFLAGS I used to build this system.
(as for the x86_32 working and x86_64 failing not sure);

I'm curious to see if anybody else is hitting this?

Justin P. Mattock

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