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Message-ID: <b6a2187b0808052050h35e2786fwfbf1e1dd5c37d8cf@mail.gmail.com> Date: Wed, 6 Aug 2008 11:50:29 +0800 From: "Jeff Chua" <jeff.chua.linux@...il.com> To: "Max Krasnyansky" <maxk@...lcomm.com> Cc: lkml <linux-kernel@...r.kernel.org> Subject: Re: 2.6.27rc1 cannot boot more than 8CPUs On Wed, Aug 6, 2008 at 11:31 AM, Max Krasnyansky <maxk@...lcomm.com> wrote: > You could try booting CONFIG_NR_CPUS=16 with maxcpus=8 (kernel command line option). > If it boots you can then try bringing the rest of the cpus online manually Ok, booted with CONFIG_NR_CPUS=16 with maxcpus=8, but can't find the rest of the CPUs. I can only find cpu0 to cpu7 ... drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu0 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu1 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu2 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu3 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu4 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu5 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu6 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu7 -r--r--r-- 1 root root 4096 Aug 6 19:41 online -r--r--r-- 1 root root 4096 Aug 6 19:39 possible -r--r--r-- 1 root root 4096 Aug 6 19:38 present -rw-r--r-- 1 root root 4096 Aug 6 19:38 sched_mc_power_savings # cat online 0-7 # cat possible 0-23 # cat present 0-7 Thanks, Jeff. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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