search for: 3311301

...9:42, Manuel Wolfshant > <wolfy at nobugconsulting.ro <mailto:wolfy at nobugconsulting.ro>> wrote: > > On 6/15/20 2:46 PM, Stephen John Smoogen wrote: > > I got inspired by Adi's earlier suggestion and after reading > https://access.redhat.com/articles/3311301 I've tried today all > variants of disabling the spectre mitigations. Whatever I do, > immediately after a reboot, yum reinstall kernel does not take > less than 5 minutes :( It goes down to 2 min if I repeat the > operation afterwards so I guess some caching kicks i...

Noticed C6 had a kernel update on Friday. 2.6.32-696.18.7.el6.x86_64 What is the flag in /proc/cpuinfo that indicates the KPTI patch for Meltdown CVE-2017-5754 for C6? Some distros are using "kaiser" some like Fedora are using "pti". Also noticed some (like Fedora) are displaying "cpu_insecure" under the bugs: heading of cpuinfo.

Delivered as per https://access.redhat.com/articles/3311301. This is good news. Backporting those updates across three gcc versions does not look like the easiest exercise to me. $ rpm -qp --changelog gcc-4.4.7-18.el6_9.2.x86_64.rpm |head -n 6 * Wed Jan 31 2018 Jeff Law <law at redhat.com> 4.4.7-18.2 - Fix indirect_jump/tablejump patters for retpolin...

> > Why? 7.5.1804 has been out since May of this year. You're going to > end up downloading a ton of updates the first time. > For a specialized software, we have to wait for the developers to certify each new OS. They are still recommending 7.3. One reason in particular is that 7.5 has a fix for Meltdown and Spectre, which known to reduce performance. This machine will be

Hello ??? For the past months I've been testing upgrading my Xen hosts to CentOS 7 and I face an issue for which I need your help to solve. ??? The testing machines are IBM blades, model H21 and H21XM. Initial tests were performed on the H21 with 16 GB RAM; during the last 6=7 weeks I've been using the H21XM with 64 GB. In all cases the guests were fully updated CentOS 7 --

...are much much slower that Dom0 so it seems xen virtualization affects ( heavily ) the performance. > As such I would also try turning off HT on the CPU to see if that > improves anything. I got inspired by Adi's earlier suggestion and after reading https://access.redhat.com/articles/3311301 I've tried today all variants of disabling the spectre mitigations. Whatever I do, immediately after a reboot, yum reinstall kernel does not take less than 5 minutes :( It goes down to 2 min if I repeat the operation afterwards so I guess some caching kicks in. I will try later today the ke...

...gt; >> Some distros are using "kaiser" some like Fedora are using "pti". Also >> noticed some (like Fedora) are displaying "cpu_insecure" under the >> bugs: heading of cpuinfo. > None that I know of, but check out https://access.redhat.com/articles/3311301. > > > > ------------------------------ > > Message: 5 > Date: Tue, 9 Jan 2018 16:14:47 +0530 > From: Aman Sharma <amansh.sharma5 at gmail.com> > To: centos at centos.org > Subject: [CentOS] Cent OS 7.3 Shared library issue > Message-ID: > <CAPMH7-_LyGC...