From: Christoph Egger on
Hi all!

Building the linux kernel, as well as doing a"make allyesconfig"
on a fresh checkout of linux HEAD results in the same Bus Error in
fixdep (details below). This is a i5 box running 32bit Ubuntu Lucid
with plenty of (free) RAM. Haven't found any hints to what might be
wrong on scanning over the web archives.

Regards

Christoph

-----
% make allyesconfig
HOSTCC scripts/basic/fixdep
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
fixdep: mmap: Cannot allocate memory
Bus error
make[1]: *** [scripts/basic/fixdep] Error 135
make: *** [scripts_basic] Error 2
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From: Américo Wang on
On Thu, Jul 29, 2010 at 6:52 PM, Christoph Egger <siccegge(a)cs.fau.de> wrote:
> Hi all!
>
>    Building the linux kernel, as well as doing a"make allyesconfig"
> on a fresh checkout of linux HEAD results in the same Bus Error in
> fixdep (details below). This is a i5 box running 32bit Ubuntu Lucid
> with plenty of (free) RAM. Haven't found any hints to what might be
> wrong on scanning over the web archives.
>
> Regards
>
>    Christoph
>
> -----
>  % make allyesconfig
>  HOSTCC  scripts/basic/fixdep
> fixdep: mmap: Cannot allocate memory

So what does 'ls -lh scripts/basic/.fixdep.d' say?
Seems this file is too big...
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From: Christoph Egger on
On Thu, Jul 29, 2010 at 07:26:00PM +0800, Am�rico Wang wrote:
> On Thu, Jul 29, 2010 at 6:52 PM, Christoph Egger <siccegge(a)cs.fau.de> wrote:
> > Hi all!
> >
> > � �Building the linux kernel, as well as doing a"make allyesconfig"
> > on a fresh checkout of linux HEAD results in the same Bus Error in
> > fixdep (details below). This is a i5 box running 32bit Ubuntu Lucid
> > with plenty of (free) RAM. Haven't found any hints to what might be
> > wrong on scanning over the web archives.
> >
> > Regards
> >
> > � �Christoph
> >
> > -----
> > �% make allyesconfig
> > �HOSTCC �scripts/basic/fixdep
> > fixdep: mmap: Cannot allocate memory
>
> So what does 'ls -lh scripts/basic/.fixdep.d' say?
> Seems this file is too big...

% ls -lh scripts/basic/.fixdep.d
-rw-r--r-- 1 siccegge immdstud 2.4K 2010-07-29 12:51 scripts/basic/.fixdep.d

Doesn't really look that big to me
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From: Christoph Egger on
On Thu, Jul 29, 2010 at 07:26:00PM +0800, Am�rico Wang wrote:
> On Thu, Jul 29, 2010 at 6:52 PM, Christoph Egger <siccegge(a)cs.fau.de> wrote:
> > Hi all!
> >
> > � �Building the linux kernel, as well as doing a"make allyesconfig"
> > on a fresh checkout of linux HEAD results in the same Bus Error in
> > fixdep (details below). This is a i5 box running 32bit Ubuntu Lucid
> > with plenty of (free) RAM. Haven't found any hints to what might be
> > wrong on scanning over the web archives.
> >
> > Regards
> >
> > � �Christoph
> >
> > -----
> > �% make allyesconfig
> > �HOSTCC �scripts/basic/fixdep
> > fixdep: mmap: Cannot allocate memory
>
> So what does 'ls -lh scripts/basic/.fixdep.d' say?
> Seems this file is too big...

Also I don't get the mmap stuff if I call fixdep directly (the way I
think it is called staring at the build system) -- it still dies with
an bus error:

=======
% scripts/basic/fixdep scripts/basic/.fixdep.d scripts/basic/fixdep "gcc -Wp,-MD,scripts/basic/.fixdep.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -o scripts/basic/fixdep scripts/basic/fixdep.c"
cmd_scripts/basic/fixdep := gcc -Wp,-MD,scripts/basic/.fixdep.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -o scripts/basic/fixdep scripts/basic/fixdep.c

deps_scripts/basic/fixdep := \
scripts/basic/fixdep.c \
$(wildcard include/config/his/driver.h) \
$(wildcard include/config/my/option.h) \
$(wildcard include/config/.h) \
$(wildcard include/config/foo.h) \
$(wildcard include/config/boom.h) \
zsh: bus error scripts/basic/fixdep scripts/basic/.fixdep.d scripts/basic/fixdep
=======

gdb isn't of any use for that unfortunately

valgrund:
=======
==11601== Process terminating with default action of signal 7 (SIGBUS)
==11601== Non-existent physical address at address 0x64F2B000
==11601== at 0x8048BF0: parse_dep_file (in /var/tmp/siccegge/letssee/scripts/basic/fixdep)
=======
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From: Américo Wang on
On Thu, Jul 29, 2010 at 02:10:02PM +0200, Christoph Egger wrote:
>On Thu, Jul 29, 2010 at 07:26:00PM +0800, Américo Wang wrote:
>> On Thu, Jul 29, 2010 at 6:52 PM, Christoph Egger <siccegge(a)cs.fau.de> wrote:
>> > Hi all!
>> >
>> >    Building the linux kernel, as well as doing a"make allyesconfig"
>> > on a fresh checkout of linux HEAD results in the same Bus Error in
>> > fixdep (details below). This is a i5 box running 32bit Ubuntu Lucid
>> > with plenty of (free) RAM. Haven't found any hints to what might be
>> > wrong on scanning over the web archives.
>> >
>> > Regards
>> >
>> >    Christoph
>> >
>> > -----
>> >  % make allyesconfig
>> >  HOSTCC  scripts/basic/fixdep
>> > fixdep: mmap: Cannot allocate memory
>>
>> So what does 'ls -lh scripts/basic/.fixdep.d' say?
>> Seems this file is too big...
>
>Also I don't get the mmap stuff if I call fixdep directly (the way I
>think it is called staring at the build system) -- it still dies with
>an bus error:
>
>=======
>% scripts/basic/fixdep scripts/basic/.fixdep.d scripts/basic/fixdep "gcc -Wp,-MD,scripts/basic/.fixdep.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -o scripts/basic/fixdep scripts/basic/fixdep.c"
>cmd_scripts/basic/fixdep := gcc -Wp,-MD,scripts/basic/.fixdep.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -o scripts/basic/fixdep scripts/basic/fixdep.c
>
>deps_scripts/basic/fixdep := \
> scripts/basic/fixdep.c \
> $(wildcard include/config/his/driver.h) \
> $(wildcard include/config/my/option.h) \
> $(wildcard include/config/.h) \
> $(wildcard include/config/foo.h) \
> $(wildcard include/config/boom.h) \
>zsh: bus error scripts/basic/fixdep scripts/basic/.fixdep.d scripts/basic/fixdep
>=======
>
>gdb isn't of any use for that unfortunately
>
>valgrund:
>=======
>==11601== Process terminating with default action of signal 7 (SIGBUS)
>==11601== Non-existent physical address at address 0x64F2B000
>==11601== at 0x8048BF0: parse_dep_file (in /var/tmp/siccegge/letssee/scripts/basic/fixdep)
>=======

This is useful. :) Looks like parse_dep_file() accesses out of
the mmap'ed memory range...

Please attach your scripts/basic/.fixdep.d. Thanks much!
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