{"action":"created","issue":{"url":"https://api.github.com/repos/andikleen/mcelog/issues/32","repository_url":"https://api.github.com/repos/andikleen/mcelog","labels_url":"https://api.github.com/repos/andikleen/mcelog/issues/32/labels{/name}","comments_url":"https://api.github.com/repos/andikleen/mcelog/issues/32/comments","events_url":"https://api.github.com/repos/andikleen/mcelog/issues/32/events","html_url":"https://github.com/andikleen/mcelog/issues/32","id":132572699,"number":32,"title":"mcelog does not start on Haswell-EP (bisected)","user":{"login":"N0T3P4D","id":471242,"avatar_url":"https://avatars.githubusercontent.com/u/471242?v=3","gravatar_id":"","url":"https://api.github.com/users/N0T3P4D","html_url":"https://github.com/N0T3P4D","followers_url":"https://api.github.com/users/N0T3P4D/followers","following_url":"https://api.github.com/users/N0T3P4D/following{/other_user}","gists_url":"https://api.github.com/users/N0T3P4D/gists{/gist_id}","starred_url":"https://api.github.com/users/N0T3P4D/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/N0T3P4D/subscriptions","organizations_url":"https://api.github.com/users/N0T3P4D/orgs","repos_url":"https://api.github.com/users/N0T3P4D/repos","events_url":"https://api.github.com/users/N0T3P4D/events{/privacy}","received_events_url":"https://api.github.com/users/N0T3P4D/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":12,"created_at":"2016-02-10T00:02:51Z","updated_at":"2016-02-12T22:17:17Z","closed_at":null,"body":"Running strace mcelog --daemon fails with the following error:\r\n\r\n[...]\r\nconnect(6, {sa_family=AF_LOCAL, sun_path=\"/dev/log\"}, 110) = -1 ENOENT (No such file or directory)\r\nclose(6)                                = 0\r\nfstat(3, {st_mode=S_IFREG|0644, st_size=3997, ...}) = 0\r\nmmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f040abc1000\r\nopen(\"/sys/devices/system/cpu\", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6\r\nfstat(6, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0\r\ngetdents(6, /* 22 entries */, 32768)    = 624\r\ngetdents(6, /* 0 entries */, 32768)     = 0\r\nclose(6)                                = 0\r\nopen(\"/dev/cpu/0/msr\", O_RDWR)          = 6\r\npread64(6, 0x7ffe6c0b8320, 8, 383)      = -1 EIO (Input/output error)\r\nsocket(PF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 7\r\nconnect(7, {sa_family=AF_LOCAL, sun_path=\"/dev/log\"}, 110) = -1 ENOENT (No such file or directory)\r\nclose(7)                                = 0\r\nwrite(3, \"Kernel does not support page off\"..., 126) = 126\r\nexit_group(1)                           = ?\r\n+++ exited with 1 +++\r\n\r\nI've bisected the problem. The offending commit is 0bcf16fd3566eb99a6fbbaf29c69cc4de7d30ade which seems to match my hardware:\r\n\r\nXeon E5-1620 v3\r\nSupermicro X10SRL-F, BIOS v2.0\r\nThe kernel version is 4.3.5."},"comment":{"url":"https://api.github.com/repos/andikleen/mcelog/issues/comments/183509084","html_url":"https://github.com/andikleen/mcelog/issues/32#issuecomment-183509084","issue_url":"https://api.github.com/repos/andikleen/mcelog/issues/32","id":183509084,"user":{"login":"N0T3P4D","id":471242,"avatar_url":"https://avatars.githubusercontent.com/u/471242?v=3","gravatar_id":"","url":"https://api.github.com/users/N0T3P4D","html_url":"https://github.com/N0T3P4D","followers_url":"https://api.github.com/users/N0T3P4D/followers","following_url":"https://api.github.com/users/N0T3P4D/following{/other_user}","gists_url":"https://api.github.com/users/N0T3P4D/gists{/gist_id}","starred_url":"https://api.github.com/users/N0T3P4D/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/N0T3P4D/subscriptions","organizations_url":"https://api.github.com/users/N0T3P4D/orgs","repos_url":"https://api.github.com/users/N0T3P4D/repos","events_url":"https://api.github.com/users/N0T3P4D/events{/privacy}","received_events_url":"https://api.github.com/users/N0T3P4D/received_events","type":"User","site_admin":false},"created_at":"2016-02-12T22:17:17Z","updated_at":"2016-02-12T22:17:17Z","body":"processor       : 0\r\nvendor_id       : GenuineIntel\r\ncpu family      : 6\r\nmodel           : 63\r\nmodel name      : Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz\r\nstepping        : 2\r\nmicrocode       : 0x36\r\ncpu MHz         : 1199.980\r\ncache size      : 10240 KB\r\nphysical id     : 0\r\nsiblings        : 8\r\ncore id         : 0\r\ncpu cores       : 4\r\napicid          : 0\r\ninitial apicid  : 0\r\nfpu             : yes\r\nfpu_exception   : yes\r\ncpuid level     : 15\r\nwp              : yes\r\nflags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm xsaveopt cqm_llc cqm_occup_llc\r\nbugs            :\r\nbogomips        : 7000.37\r\nclflush size    : 64\r\ncache_alignment : 64\r\naddress sizes   : 46 bits physical, 48 bits virtual\r\npower management:\r\n"}}