Re: 2.6.32 regression: unable to handle kernel paging request

From: Tim Blechmann
Date: Thu Dec 17 2009 - 15:27:39 EST


>> i cannot boot any 2.6.32 kernel (i tested back until -rc5) on my nehalem
>> machine (x86_64, 12gb ram).
>>
>> there are bug messages in various (mostly module loader) functions,
>> stating "unable to handle kernel paging request". 2.6.31 on the same
>> machine works like charm. i haven't been able to save a boot log, but it
>> didn't look too different from this:
>>
>> http://lkml.org/lkml/2009/12/8/207
>
> trying to bisect the kernel tree,
> 405d967dc70002991f8fc35c20e0d3cbc7614f63 seems to be the first bad commit.
> during bisecting, i recorded several boot logs, which are attached.

removing module-common.lds from LDFLAGS_MODULE, my machine boots fine
and without any error messages:

--- a/Makefile
+++ b/Makefile
@@ -326,7 +326,7 @@ CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
MODFLAGS = -DMODULE
CFLAGS_MODULE = $(MODFLAGS)
AFLAGS_MODULE = $(MODFLAGS)
-LDFLAGS_MODULE = -T $(srctree)/scripts/module-common.lds
+LDFLAGS_MODULE =
CFLAGS_KERNEL =
AFLAGS_KERNEL =
CFLAGS_GCOV = -fprofile-arcs -ftest-coverage

i hope someone with more insights in these parts of the kernel can have
a closer look into this issue.

thanks, tim

--
tim@xxxxxxxxxx
http://tim.klingt.org

Wherever we are, what we hear is mostly noise. When we ignore it, it
disturbs us. When we listen to it, we find it fascinating.
John Cage

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