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commit 479696840239e0cc43efb3c917bdcad2174d2215 upstream.
The driver has only 4 hardcoded labels, but allows much more memory.
Fix it by removing the hardcoded logic, using snprintf() instead.
[ 19.833972] general protection fault: 0000 [#1] SMP
[ 19.837733] Modules linked in: i82975x_edac(+) edac_core firewire_ohci firewire_core crc_itu_t nouveau mxm_wmi wmi video i2c_algo_bit drm_kms_helper ttm drm i2c_core
[ 19.837733] CPU 0
[ 19.837733] Pid: 390, comm: udevd Not tainted 3.6.1-1.fc17.x86_64.debug #1 Dell Inc. Precision WorkStation 390 /0MY510
[ 19.837733] RIP: 0010:[<ffffffff813463a8>] [<ffffffff813463a8>] strncpy+0x18/0x30
[ 19.837733] RSP: 0018:ffff880078535b68 EFLAGS: 00010202
[ 19.837733] RAX: ffff880069fa9708 RBX: ffff880078588000 RCX: ffff880069fa9708
[ 19.837733] RDX: 000000000000001f RSI: 5f706f5f63616465 RDI: ffff880069fa9708
[ 19.837733] RBP: ffff880078535b68 R08: ffff880069fa9727 R09: 000000000000fffe
[ 19.837733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003
[ 19.837733] R13: 0000000000000000 R14: ffff880069fa9290 R15: ffff880079624a80
[ 19.837733] FS: 00007f3de01ee840(0000) GS:ffff88007c400000(0000) knlGS:0000000000000000
[ 19.837733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.837733] CR2: 00007f3de00b9000 CR3: 0000000078dbc000 CR4: 00000000000007f0
[ 19.837733] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 19.837733] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 19.837733] Process udevd (pid: 390, threadinfo ffff880078534000, task ffff880079642450)
[ 19.837733] Stack:
[ 19.837733] ffff880078535c18 ffffffffa017c6b8 00040000816d627f ffff880079624a88
[ 19.837733] ffffc90004cd6000 ffff880079624520 ffff88007ac21148 0000000000000000
[ 19.837733] 0000000000000000 0004000000000000 feda000078535bc8 ffffffff810d696d
[ 19.837733] Call Trace:
[ 19.837733] [<ffffffffa017c6b8>] i82975x_init_one+0x2e6/0x3e6 [i82975x_edac]
...
Fix bug reported at:
https://bugzilla.redhat.com/show_bug.cgi?id=848149
And, very likely:
https://bbs.archlinux.org/viewtopic.php?id=148033
https://bugzilla.kernel.org/show_bug.cgi?id=47171
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
[bwh: Backported to 3.2:
- Adjust context
- Use csrow->channels[chan].label not csrow->channels[chan]->dimm->label]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: bluesmoke-devel@lists.sourceforge.net
Cc: linux-edac@vger.kernel.org
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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to edac-core
fix the totally wrong info w.r.t page,row,dimm-label previously reported to
edac-core by i82975x driver
Signed-off-by: Arvind R. <arvino55@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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corrected mtype, and added dev_name,scrubmode initialisers
in i82975x struct mem_ctl initialisation
Signed-off-by: Arvind R. <arvino55@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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wrong comments in i82975x driver corrected
Signed-off-by: Arvind R. <arvino55@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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edac-i82975x author/maintainer email address change
Signed-off-by: Arvind R. <arvino55@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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I implemented opstate_init() as a inline function in linux/edac.h.
added calling opstate_init() to:
i82443bxgx_edac.c
i82860_edac.c
i82875p_edac.c
i82975x_edac.c
I wrote a fixed patch of
edac-fix-module-initialization-on-several-modules.patch,
and tested building 2.6.25-rc7 with applying this. It was succeed.
I think the patch is now correct.
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Hitoshi Mitake <h.mitake@gmail.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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New EDAC driver for the i82975x memory controller chipset Used on ASUS
motherboards
[akpm@linux-foundation.org: fix multiple coding-style bloopers]
Signed-off-by: <arvind@acarlab.com>
Signed-off-by: Ranganathan Desikan <rdesikan@jetzbroadband.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: Greg KH <greg@kroah.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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