From: Andreas Pflug <andreas.pflug@web.de>
To: xen-devel@lists.xen.org, 810964@bugs.debian.org
Subject: [BUG] EDAC infomation partially missing
Date: Wed, 20 Jan 2016 16:01:52 +0100 [thread overview]
Message-ID: <569FA160.6070308__10443.513634573$1453302312$gmane$org@web.de> (raw)
Initially reported to debian
(http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=810964), redirected here:
With AMD Opteron 6xxx processors, half of the memory controllers are
missing from /sys/devices/system/edac/mc
Checked with single 6120 (dual memory controller) and twin 6344 (2x dual
MC), other dual-module CPUs might be affected too.
Booting plain Linux (3.2, 3.16, 4.1, 4.3), all memory controllers are
listed under /sys/devices/system/edac/mc as expected. Same happens, when
Xen 4.1 is used: all MCs present.
Starting with Xen 4.4 (Debian Jessie), only mc1 (on the single CPU
machine) or mc2/mc3 (dual CPU machine) are present, although the full
system memory is accessible. Checked versions were 4.1.4 (Debian
Wheezy), 4.4.1 (Jessie) and 4.6.0 (Sid)
next reply other threads:[~2016-01-20 15:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-20 15:01 Andreas Pflug [this message]
[not found] <569FA160.6070308@web.de>
2016-01-21 16:41 ` [BUG] EDAC infomation partially missing Jan Beulich
2016-01-22 9:09 ` Andreas Pflug
2016-01-22 10:40 ` Jan Beulich
2016-01-22 11:33 ` Andreas Pflug
2017-05-13 22:36 Elliott Mitchell
[not found] <20170513223656.GA40303@scollay.m5p.com>
2017-05-15 8:02 ` Jan Beulich
2017-05-16 3:47 ` Elliott Mitchell
2017-05-16 9:54 ` Jan Beulich
2017-05-16 10:08 ` Andrew Cooper
2017-05-16 18:02 ` Elliott Mitchell
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