Your message dated Wed, 20 Jul 2011 16:48:51 +0000
with message-id <[email protected]>
and subject line Bug#629408: fixed in mcelog 1.0~pre3-72-gcbd4da4-1
has caused the Debian Bug report #629408,
regarding mcelog: contrary to Description, package is now useful on i386
architecture.
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
629408: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629408
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: mcelog
Version: 1.0~pre3-3
Severity: minor
Tags: patch
debian/control and debian/README.Debian claim that mcelog is only useful
on x86_64. This no longer seems to be the case, it is also useful on
some i686 CPU types. Below is a log from an AMD XP3000+ (AMD K7 CPU)
running Squeeze with backported kernel 2.6.38-bpo.2-686-bigmem :
Jun 5 09:36:32 hub kernel: [453000.000016] [Hardware Error]: No human readable
MCE decoding support on this CPU type.
Jun 5 09:36:32 hub kernel: [453000.002600] [Hardware Error]: Run the message
through 'mcelog --ascii' to decode.
Jun 5 09:36:32 hub kernel: [453000.005012] Disabling lock debugging due to
kernel taint
Jun 5 09:36:32 hub kernel: [453000.007421] [Hardware Error]: Machine check
events logged
(hmm, not sure why the kernel thinks it is tainted. never mind for now.)
# aptitude install mcelog
Jun 6 12:16:17 hub mcelog: MCE 0
Jun 6 12:16:17 hub mcelog: CPU 0 BANK 1
Jun 6 12:16:17 hub mcelog: ADDR c102aff0
Jun 6 12:16:17 hub mcelog: TIME 1307358977 Mon Jun 6 12:16:17 2011
Jun 6 12:16:17 hub mcelog: STATUS 9400000000000151 MCGSTATUS 0
Jun 6 12:16:17 hub mcelog: MCGCAP 104 APICID 0 SOCKETID 0
Jun 6 12:16:17 hub mcelog: CPUID Vendor AMD Family 6 Model 10
Jun 6 12:16:17 hub mcelog: failed to prefill DIMM database from DMI data
Jun 6 12:16:17 hub mcelog: Kernel does not support page offline interface
Jun 6 12:16:17 hub mcelog: Unknown CPU type vendor 2 family 6 model a
Jun 6 12:16:17 hub mcelog: HARDWARE ERROR. This is *NOT* a software problem!
Jun 6 12:16:17 hub mcelog: Please contact your hardware vendor
Admittedly mcelog couldn't decode this due to the lack of DMI data, but
it's still useful to know that I had a memory problem. I hadn't installed
mcelog on this server as I thought it was still x86_64 only, fortunately
the MCE data was still in the kernel buffer when I got the daily logcheck.
I'm not sure when MCE logging was added to i386 architecture but kernel
logs for this area go back to 2005 and 2007, and it apparently works
(indeed, is required) on the current backported kernel from unstable.
So I suggest just removing the reference to particular kernel versions and
x86 CPU types, unless you happen to know which ones now generate mcelogs.
A proposed patch is attached.
Nick
Index: mcelog-1.0~pre3-66-g39f5b74/debian/README.Debian
===================================================================
--- mcelog-1.0~pre3-66-g39f5b74.orig/debian/README.Debian 2011-06-06 13:01:47.000000000 +0100
+++ mcelog-1.0~pre3-66-g39f5b74/debian/README.Debian 2011-06-06 13:03:40.000000000 +0100
@@ -1,9 +1,8 @@
mcelog for Debian
-----------------
-mcelog is only needed/useful on x86-64 platforms, ie AMD64 and EM64T
-hardware. You need to configure your kernel with CONFIG_X86_MCE=y (which
-is the default).
+mcelog is only needed/useful on modern x86 hardware. You need to configure
+your kernel with CONFIG_X86_MCE=y (which is the default).
mcelog can be run in one of two modes:
- as a daemon, this is the default mode
Index: mcelog-1.0~pre3-66-g39f5b74/debian/control
===================================================================
--- mcelog-1.0~pre3-66-g39f5b74.orig/debian/control 2011-06-06 13:01:39.000000000 +0100
+++ mcelog-1.0~pre3-66-g39f5b74/debian/control 2011-06-06 13:04:19.000000000 +0100
@@ -8,10 +8,9 @@
Package: mcelog
Architecture: i386 amd64
Depends: ${shlibs:Depends}, ${misc:Depends}, debconf (>= 0.5) | debconf-2.0, udev | makedev (>= 2.3.1-81)
-Description: x86-64 Machine Check Exceptions collector and decoder
- Starting with version 2.6.4, the Linux kernel for x86-64 no longer decodes
- and logs recoverable Machine Check Exception events to the kernel log on
- its own.
+Description: x86 Machine Check Exceptions collector and decoder
+ The Linux kernel for x86 no longer decodes and logs recoverable Machine
+ Check Exception events to the kernel log on its own.
.
Instead, the MCE data is kept in a buffer which can be read from userspace
via the /dev/mcelog device node.
--- End Message ---
--- Begin Message ---
Source: mcelog
Source-Version: 1.0~pre3-72-gcbd4da4-1
We believe that the bug you reported is fixed in the latest version of
mcelog, which is due to be installed in the Debian FTP archive:
mcelog_1.0~pre3-72-gcbd4da4-1.debian.tar.gz
to main/m/mcelog/mcelog_1.0~pre3-72-gcbd4da4-1.debian.tar.gz
mcelog_1.0~pre3-72-gcbd4da4-1.dsc
to main/m/mcelog/mcelog_1.0~pre3-72-gcbd4da4-1.dsc
mcelog_1.0~pre3-72-gcbd4da4-1_amd64.deb
to main/m/mcelog/mcelog_1.0~pre3-72-gcbd4da4-1_amd64.deb
mcelog_1.0~pre3-72-gcbd4da4.orig.tar.gz
to main/m/mcelog/mcelog_1.0~pre3-72-gcbd4da4.orig.tar.gz
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Julien BLACHE <[email protected]> (supplier of updated mcelog package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Wed, 20 Jul 2011 18:41:03 +0200
Source: mcelog
Binary: mcelog
Architecture: source amd64
Version: 1.0~pre3-72-gcbd4da4-1
Distribution: unstable
Urgency: low
Maintainer: Julien BLACHE <[email protected]>
Changed-By: Julien BLACHE <[email protected]>
Description:
mcelog - x86 Machine Check Exceptions collector and decoder
Closes: 629408
Changes:
mcelog (1.0~pre3-72-gcbd4da4-1) unstable; urgency=low
.
* New git snapshot.
.
* debian/control:
+ Rework package description; mcelog is now required on i386 kernels too,
since the x86 and x86-64 MCE support got merged together after the big
x86 merge (closes: #629408).
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