linux-kernel - Re: 4.9-rc: only 3 CPUs out of 4 used

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Message-ID: <alpine.LRH.2.20.1707061608210.6514@math.ut.ee>
Date:   Thu, 6 Jul 2017 16:09:10 +0300 (EEST)
From:   Meelis Roos <mroos@...ux.ee>
To:     Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 4.9-rc: only 3 CPUs out of 4 used

> > > I have a HP ProLiant DL380 G3 server. It has two 
> > > dual-core 32-bit Xeon CPUs. CONFIG_NR_CPUS=4 and has always been.
> > 
> > Same happens on DL360 G3 - 1U server of the same era.
> 
> And the next generation of it, DL380 G4, shows the same problem.

As of 4.12, this has been fixed - and it works again with 
CONFIG_NR_CPUS=4 too.

-- 
Meelis Roos (mroos@...ux.ee)