[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [BUG] EDAC infomation partially missing
>>> On 20.01.16 at 16:01, <andreas.pflug@xxxxxx> wrote: > 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) As already indicated by Ian in that bug, you should supply us with full kernel and hypervisor logs for both the good and bad cases (ideally with the same kernel version use in both runs, so that we can exclude kernel behavior differences). Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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