Datum a čas výpadku: 2018-01-05 02:00 CET Očekavaná délka: 60 minut Výpadek se týká serverů: node5.prg, node6.prg, node7.prg, node8.prg, node9.prg, node2.brq Typ výpadku: restart Důvod: Aplikovani zaplaty pro chybu v Intel CPU Výpadek řeší: Pavel Šnajdr, Jakub Skokan, Richard Marko Byla nalezena vazna chyba v Intelich procesorech. Bohuzel jedeme jenom na Intelu, takze budeme muset aplikovat patch do jadra, ktery nam pravdepodobne o neco uzere z CPU vykonu. Jak to pisu, tak patch pro nase jadro jeste neni; pokud neprijde od OpenVZ, naportujeme patch od Red Hatu, jakmile bude venku. V takovem pripade upravime plan rebootu, abychom meli vic casu to otestovat. Odkazu, o co jde, je hodne, kdyztak hodte 'Intel PTI bug' do Sveho Oblibeneho Vyhledavace (tm), vyplivne toho hromadu -> https://www.reddit.com/r/sysadmin/comments/7nl8r0/intel_bug_incoming/ ENGLISH: Date and time: 2018-01-05 02:00 CET Expected duration: 60 minutes Affected systems: node5.prg, node6.prg, node7.prg, node8.prg, node9.prg, node2.brq Outage type: restart Reason: Intel CPU bug workaround Handled by: Pavel Šnajdr, Jakub Skokan, Richard Marko A severe bug has been found in Intel CPUs. Unfortunately Intel is all we have now, so we have to apply a workaround as a kernel patch. Which, for one, will slow down performance of our systems. And as of writing this, the patch is not out for our kernel yet (or any nicely portable version for this venerable kernel); but should be soon, at least from Red Hat, if not OpenVZ team (in which case we'll change the announcements accordingly to allow for more QA before deploying). There's a lot of sources, for one of them all (and then Your Favorite Search Engine should spit out tons of other resources if you search for 'Intel PTI bug') -> https://www.reddit.com/r/sysadmin/comments/7nl8r0/intel_bug_incoming/ -----BEGIN BASE64 ENCODED PARSEABLE JSON----- eyJpZCI6NDI0LCJwbGFubmVkIjp0cnVlLCJiZWdpbnNfYXQiOiIyMDE4LTAx LTA1VDAyOjAwOjAwKzAxOjAwIiwiZHVyYXRpb24iOjYwLCJ0eXBlIjoicmVz dGFydCIsImVudGl0aWVzIjpbeyJuYW1lIjoiTm9kZSIsImlkIjoxMDUsImxh YmVsIjoibm9kZTUucHJnIn0seyJuYW1lIjoiTm9kZSIsImlkIjoxMDYsImxh YmVsIjoibm9kZTYucHJnIn0seyJuYW1lIjoiTm9kZSIsImlkIjoxMDgsImxh YmVsIjoibm9kZTcucHJnIn0seyJuYW1lIjoiTm9kZSIsImlkIjoxMDksImxh YmVsIjoibm9kZTgucHJnIn0seyJuYW1lIjoiTm9kZSIsImlkIjoxMTAsImxh YmVsIjoibm9kZTkucHJnIn0seyJuYW1lIjoiTm9kZSIsImlkIjoyMTEsImxh YmVsIjoibm9kZTIuYnJxIn1dLCJoYW5kbGVycyI6WyJQYXZlbCDFoG5hamRy IiwiSmFrdWIgU2tva2FuIiwiUmljaGFyZCBNYXJrbyJdLCJ0cmFuc2xhdGlv bnMiOnsiZW4iOnsic3VtbWFyeSI6IkludGVsIENQVSBidWcgd29ya2Fyb3Vu ZCIsImRlc2NyaXB0aW9uIjoiQSBzZXZlcmUgYnVnIGhhcyBiZWVuIGZvdW5k IGluIEludGVsIENQVXMuIFVuZm9ydHVuYXRlbHkgSW50ZWwgaXMgYWxsXHJc bndlIGhhdmUgbm93LCBzbyB3ZSBoYXZlIHRvIGFwcGx5IGEgd29ya2Fyb3Vu ZCBhcyBhIGtlcm5lbCBwYXRjaC4gV2hpY2gsXHJcbmZvciBvbmUsIHdpbGwg c2xvdyBkb3duIHBlcmZvcm1hbmNlIG9mIG91ciBzeXN0ZW1zLiBBbmQgYXMg b2Ygd3JpdGluZ1xyXG50aGlzLCB0aGUgcGF0Y2ggaXMgbm90IG91dCBmb3Ig b3VyIGtlcm5lbCB5ZXQgKG9yIGFueSBuaWNlbHkgcG9ydGFibGVcclxudmVy c2lvbiBmb3IgdGhpcyB2ZW5lcmFibGUga2VybmVsKTsgYnV0IHNob3VsZCBi ZSBzb29uLCBhdCBsZWFzdCBmcm9tXHJcblJlZCBIYXQsIGlmIG5vdCBPcGVu VlogdGVhbSAoaW4gd2hpY2ggY2FzZSB3ZSdsbCBjaGFuZ2UgdGhlIGFubm91 bmNlbWVudHNcclxuYWNjb3JkaW5nbHkgdG8gYWxsb3cgZm9yIG1vcmUgUUEg YmVmb3JlIGRlcGxveWluZykuXHJcblxyXG5UaGVyZSdzIGEgbG90IG9mIHNv dXJjZXMsIGZvciBvbmUgb2YgdGhlbSBhbGwgKGFuZCB0aGVuIFlvdXIgRmF2 b3JpdGVcclxuU2VhcmNoIEVuZ2luZSBzaG91bGQgc3BpdCBvdXQgdG9ucyBv ZiBvdGhlciByZXNvdXJjZXMgaWYgeW91IHNlYXJjaFxyXG5mb3IgJ0ludGVs IFBUSSBidWcnKSAtXHUwMDNlXHJcblxyXG5odHRwczovL3d3dy5yZWRkaXQu Y29tL3Ivc3lzYWRtaW4vY29tbWVudHMvN25sOHIwL2ludGVsX2J1Z19pbmNv bWluZy8ifSwiY3MiOnsic3VtbWFyeSI6IkFwbGlrb3ZhbmkgemFwbGF0eSBw cm8gY2h5YnUgdiBJbnRlbCBDUFUiLCJkZXNjcmlwdGlvbiI6IkJ5bGEgbmFs ZXplbmEgdmF6bmEgY2h5YmEgdiBJbnRlbGljaCBwcm9jZXNvcmVjaC4gQm9o dXplbCBqZWRlbWUgamVub21cclxubmEgSW50ZWx1LCB0YWt6ZSBidWRlbWUg bXVzZXQgYXBsaWtvdmF0IHBhdGNoIGRvIGphZHJhLCBrdGVyeSBuYW1cclxu cHJhdmRlcG9kb2JuZSBvIG5lY28gdXplcmUgeiBDUFUgdnlrb251LiBKYWsg dG8gcGlzdSwgdGFrIHBhdGNoIHBybyBuYXNlXHJcbmphZHJvIGplc3RlIG5l bmk7IHBva3VkIG5lcHJpamRlIG9kIE9wZW5WWiwgbmFwb3J0dWplbWUgcGF0 Y2ggb2QgUmVkIEhhdHUsXHJcbmpha21pbGUgYnVkZSB2ZW5rdS4gViB0YWtv dmVtIHByaXBhZGUgdXByYXZpbWUgcGxhbiByZWJvb3R1LCBhYnljaG9tIG1l bGlcclxudmljIGNhc3UgdG8gb3Rlc3RvdmF0LlxyXG5cclxuT2RrYXp1LCBv IGNvIGpkZSwgamUgaG9kbmUsIGtkeXp0YWsgaG9kdGUgJ0ludGVsIFBUSSBi dWcnIGRvIFN2ZWhvXHJcbk9ibGliZW5laG8gVnlobGVkYXZhY2UgKHRtKSwg dnlwbGl2bmUgdG9obyBocm9tYWR1IC1cdTAwM2VcclxuXHJcbmh0dHBzOi8v d3d3LnJlZGRpdC5jb20vci9zeXNhZG1pbi9jb21tZW50cy83bmw4cjAvaW50 ZWxfYnVnX2luY29taW5nLyJ9fX0= -----END BASE64 ENCODED PARSEABLE JSON-----