Recent content by stef1777

Thanks. Fine with this.

Hi! Sorry but I've a question concerning the old PVE 4.4 version. I've a PVE cluster still using this version. The PVE cluster of 5 nodes. On the node one, corosync don't want to start. It say that the config is not in sync. corosync[28838]: [CMAP ] Received config version (7) is different...

HP and Dell have removed their BIOS updates.

Be sur to have last BIOS and iLo.

Some news. The retpoline patches to mitigate Spectre 2 have been integrated in the 4.15 tree and back-ported in 4.9.77 & 4.14.14 kernels. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.77 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.14 GCC is not upgraded yet for...

Hi! Found a guy who tried Meltdown patch with Virtuozzo Container on a SSD HP blade. Nice result. ☹️ https://communities.intel.com/thread/121555?wapkw=meltdown

No agree. For servers, Debian is rock solid not Ubuntu.

Hi! Compatibility and stability problems with mitigation codes continue and rise. Spectre and Meltdown patches causing trouble as realistic attacks get closer https://arstechnica.com/gadgets/2018/01/spectre-and-meltdown-patches-causing-trouble-as-realistic-attacks-get-closer/ Meltdown/Spectre...

Official: https://newsroom.intel.com/news/intel-security-issue-update-addressing-reboot-issues/

Concern Haswell et Broadwell processors (all brand servers).

Online talk of PTI not PCID. For PCID, I've not found yet any good bench of fix flaw impact. The article by arstechnica talks about this but does not provide very detailed proof of these statements...

A nice article from arstechnica. https://arstechnica.com/gadgets/2018/01/heres-how-and-why-the-spectre-and-meltdown-patches-will-hurt-performance/ Another one for OSX (look a syscall bench, crazy). https://reverse.put.as/2018/01/07/measuring-osx-meltdown-patches-performance/

Impact with PTI on server. https://blog.online.net/2018/01/03/important-note-about-the-security-flaw-impacting-arm-intel-hardware/

For Meltdown, not necessary but when Spectre 2 patched BIOS will be available, yes.

Warning: problems with Meltdown patched BIOS on some Dell servers (instabilities). I've not more details.