Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753839AbYCTFAO (ORCPT ); Thu, 20 Mar 2008 01:00:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751586AbYCTFAA (ORCPT ); Thu, 20 Mar 2008 01:00:00 -0400 Received: from rv-out-0910.google.com ([209.85.198.189]:19839 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751539AbYCTE77 (ORCPT ); Thu, 20 Mar 2008 00:59:59 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=T+efaYVYyzjVLqZRhh+kDtgXj9mp+EWWVcuhyzRtEfnf9WCXfR/V21ECXcKU5NBauRFmo4LPBYbURT5EsIXGlALLuIFq4I0W9ilyQvVUCOsCKodBpixxSwmIMXxzM8vedVV0OGgDcBZv9VfcWZQKMsCvkHm5eHFj0iHoUjnlJZg= Message-ID: <86802c440803192159y28c186f0p98615e90da5a9345@mail.gmail.com> Date: Wed, 19 Mar 2008 21:59:58 -0700 From: "Yinghai Lu" To: "Glauber Costa" Subject: Re: [PATCH 0/79] smpboot integration Cc: "Ingo Molnar" , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, tglx@linutronix.de, "Andi Kleen" In-Reply-To: <47E1EAD6.5080905@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <12059475744092-git-send-email-gcosta@redhat.com> <20080319173533.GA31576@elte.hu> <86802c440803191918y11af1269m39a7c7164f5f7d36@mail.gmail.com> <86802c440803192000x41a1383fxc2b58ed68e2375b7@mail.gmail.com> <86802c440803192032r2aa15a10pb32ef15fcfc693e7@mail.gmail.com> <47E1EAD6.5080905@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3626 Lines: 100 On Wed, Mar 19, 2008 at 9:40 PM, Glauber Costa wrote: > > Yinghai Lu wrote: > > On Wed, Mar 19, 2008 at 8:00 PM, Yinghai Lu wrote: > >> On Wed, Mar 19, 2008 at 7:18 PM, Yinghai Lu wrote: > >> > On Wed, Mar 19, 2008 at 10:35 AM, Ingo Molnar wrote: > >> > > > >> > > * Glauber de Oliveira Costa wrote: > >> > > > >> > > > Testing and bisectability: > >> > > > > >> > > > The end result was tested in all my hardware (which includes qemu ;-). > >> > > > It does not mean it will boot _your_ hardware, but I did my best ;-) > >> > > > > >> > > > The tree at least compiles in more than 20 randconfigs (for each of > >> > > > x86_64 and i386) For i386, each of the subarchitectures was compiled > >> > > > at least once. (By compile, I obviously mean, every patch, > >> > > > individually) > >> > > > >> > > very nice work! I'll pick it up - and i'm not too worried about > >> > > breakages because at 80 patches granularity any problem should be > >> > > identifiable in a very finegrained way. > >> > > > >> > > >> > it broke 4 sockets quad core above with 64 bit > >> > > >> > Booting processor 11/15 ip 6000 > >> > Initializing CPU#11 > >> > masked ExtINT on CPU#11 > >> > Calibrating delay using timer specific routine.. 4589.46 BogoMIPS (lpj=9178934) > >> > CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) > >> > CPU: L2 Cache: 512K (64 bytes/line) > >> > CPU 11/f -> Node 2 > >> > CPU: Physical Processor ID: 2 > >> > CPU: Processor Core ID: 3 > >> > CPU11: Quad-Core AMD Opteron(tm) Processor 8356 stepping 03 > >> > checking TSC synchronization [CPU#0 -> CPU#11]: passed. > >> > Booting processor 12/16 ip 6000 > >> > > >> > looks like local apic id up 4 bit is masked out. so can not start 0x10 > >> > above any more. > >> > >> in wakeup_secondary_via_INIT > >> before the patchsets > >> 64 bit code: > >> > >> /* > >> * Send IPI > >> */ > >> apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT > >> | APIC_DM_INIT); > >> > >> > >> after patchset > >> > >> /* Boot on the stack */ > >> /* Kick the second */ > >> apic_write_around(APIC_ICR, APIC_DM_NMI | APIC_DEST_LOGICAL); > >> > >> So that is wrong! esp for system has ext apic id that is has 8 bits > >> instead of 4 bits. > >> > > > > it seems there is two wakeup_secondary_cpu. one for NMI and one INIT. > > > > but should have > > > > #define WAKE_SECONDARY_VIA_INIT > > > > for x86_64 > > > > but after > > > > #ifdef CONFIG_X86_64 > > #undef WAKE_SECONDARY_VIA_NMI > > #define WAKE_SECONDARY_VIA_INIT > > #endif > > > > it still doesn't work. > > > > YH > Thanks for the testing Yinghai. I'll take a deeper look as soon as I > can. The two routines are provided, since i386 numa-q inits the startup > sequence through NMIs. The _VIA_INIT is already defined in x86_64 in the > mach-default/ headers. > > What happens exactly? Does it hang indefinitely ? Or just for a while? > Also, can you provide the exact commit in which this problem start? > (just to be sure) hang indefinitely. maybe some apic code merge problem... YH -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/