Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755968AbYGJKWR (ORCPT ); Thu, 10 Jul 2008 06:22:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753156AbYGJKWF (ORCPT ); Thu, 10 Jul 2008 06:22:05 -0400 Received: from rv-out-0506.google.com ([209.85.198.239]:31518 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753050AbYGJKWE (ORCPT ); Thu, 10 Jul 2008 06:22:04 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=ZgziZ3Y6QugFSaW6G5hjSOYcVVtGXNB11DfTOxk8XeoBbyQisZUzUoJ1A7nm3Wbto2 1+bee0AGFTvdHqqOQkdWzvB/ZP9bOCi/kv80WLJuCeayxgEYh8gHZcACStKPcFhhib7q 6SqGMlchqNn+ftLLbVCopVmVQB0mO5WcntVkk= Message-ID: <86802c440807100322uc2861c9mc3e99d73aa1691bf@mail.gmail.com> Date: Thu, 10 Jul 2008 03:22:03 -0700 From: "Yinghai Lu" To: "Ingo Molnar" Subject: Re: [PATCH 05/05] x86: Rename paravirtualized TSC functions Cc: akataria@vmware.com, "Thomas Gleixner" , "the arch/x86 maintainers" , "Daniel Hecht" , LKML , "Jeremy Fitzhardinge" In-Reply-To: <86802c440807100111k5d2e31c4w2c73b7e30557a604@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1214937816.20191.34.camel@promb-2n-dhcp368.eng.vmware.com> <20080709061336.GG9760@elte.hu> <86802c440807090020q516b6332qf8e0d65918e7001e@mail.gmail.com> <1215624603.3930.8.camel@alok-dev1> <86802c440807091038m6c14f165xede8b2b0316d0225@mail.gmail.com> <20080710072201.GE14377@elte.hu> <86802c440807100034w3a3ee192k8e565b75fd2df608@mail.gmail.com> <20080710075030.GA27361@elte.hu> <86802c440807100104s1e1f1cdeg421be2dbeffdcb75@mail.gmail.com> <86802c440807100111k5d2e31c4w2c73b7e30557a604@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5025 Lines: 125 On Thu, Jul 10, 2008 at 1:11 AM, Yinghai Lu wrote: > On Thu, Jul 10, 2008 at 1:04 AM, Yinghai Lu wrote: >> On Thu, Jul 10, 2008 at 12:50 AM, Ingo Molnar wrote: >>> >>> * Yinghai Lu wrote: >>> >>>> > that would be the tip/xen64 stuff, right? Does this revert: >>>> > >>>> > | Revert "x86_64: there's no need to preallocate level1_fixmap_pgt" >>>> > | >>>> > | This reverts commit 033786969d1d1b5af12a32a19d3a760314d05329. >>>> > | >>>> > | Suresh Siddha reported that this broke booting on his 2GB testbox. >>>> > >>>> > solve your problems, or are there other problems still? >>>> >>>> still is bisecting it now... >>> >>> ok. I have no mystery crash on my test-systems. >>> >>> by the looks of it, your crashes seem to be pagetable related. If it's >>> in the tip/xen-64bit branch, my candidates would be: >>> >>> 0f38c08: x86: use __page_aligned_data/bss >>> 0337869: x86_64: there's no need to preallocate level1_fixmap_pgt >>> 89d7bb5: x86_64: add workaround for no %gs-based percpu >>> >>> 0337869 is reverted already. >>> >>> Or if it's an older commit, two candidates would be: >>> >>> b50efd2: x86: introduce page_size_mask for 64bit >>> 3a9e189: x86: map UV chipset space - pagetable >>> >>> do you know the sha1 of the first broken tree? We know that >>> tip-history-2008-07-08_16.08_Tue is known-good. >> >> first round bisect all works.. >> >> it seems make oldconfig change setting between different setting... >> >> diff .config config.full.good >> 4c4 >> < # Thu Jul 10 00:52:52 2008 >> --- >>> # Thu Jul 10 00:40:03 2008 >> 295,296c295 >> < CONFIG_CC_STACKPROTECTOR_ALL=y >> < CONFIG_CC_STACKPROTECTOR=y >> --- >>> # CONFIG_CC_STACKPROTECTOR is not set >> >> it seems some recent change doesn't like stackprotector. > > reeing unused kernel memory: 996k freed > INIT: version 2.86 booting > init[1]: segfault at 28 ip ffffffffff600108 sp 00007fff71647a40 error 4 > init[1]: segfault at 28 ip ffffffffff600108 sp 00007fff71646fc0 error 4 > Kernel panic - not syncing: Attempted to kill init! > Pid: 1, comm: init Not tainted 2.6.26-rc9-tip-01539-g7ef7459 #280 > > Call Trace: > [] ? do_exit+0x84/0x6ce > [] ? do_group_exit+0x86/0xb3 > [] ? get_signal_to_deliver+0x309/0x33d > [] ? send_signal+0x23b/0x26e > [] ? do_notify_resume+0xd3/0x8fd > [] ? print_vma_addr+0x110/0x12f > [] ? do_page_fault+0x8ac/0x8fe > [] ? mcount_call+0x5/0x31 > [] ? mcount_call+0x5/0x31 > [] ? sigprocmask+0xbe/0xf6 > [] ? retint_signal+0x3d/0x85 > bisecting get lost between the branch... some time it allows STACKPROTECTOR... sometime it doesn't git-bisect log git-bisect start # bad: [5c929086ab3c2e42554099930c352c584b09fb49] Merge branch 'timers/clocksource' git-bisect bad 5c929086ab3c2e42554099930c352c584b09fb49 # good: [fc9036ea1a4b14229788e6df3936b451a6abac98] x86: let early_reserve_e820 update e820_saved too git-bisect good fc9036ea1a4b14229788e6df3936b451a6abac98 # good: [e624188cbd347f134b4827c201cac7e59cd6cf46] Merge branch 'auto-core-next' into auto-generic-ipi-next git-bisect good e624188cbd347f134b4827c201cac7e59cd6cf46 # bad: [6412367fe22dc54cc727e7bec5bd65c36c1a0754] x86, paravirt-spinlocks: fix boot hang git-bisect bad 6412367fe22dc54cc727e7bec5bd65c36c1a0754 # good: [db8e85a69d45f1692e216392a652f9652232016e] Merge branch 'generic-ipi-mergefixups' into auto-generic-ipi-next git-bisect good db8e85a69d45f1692e216392a652f9652232016e # good: [a0ba7c30f129d94f8a5e97ed065b510996f813b2] Merge branch 'x86/core' into xen-64bit git-bisect good a0ba7c30f129d94f8a5e97ed065b510996f813b2 # bad: [c370cb1843a68485e64fb956b6a2beb0c6f7f5f1] xen: fix truncation of machine address git-bisect bad c370cb1843a68485e64fb956b6a2beb0c6f7f5f1 # bad: [9ed13f242bb9d30bb7502a69a67fefb909d2842e] xen64: fix calls into hypercall page git-bisect bad 9ed13f242bb9d30bb7502a69a67fefb909d2842e # bad: [3ab876c861e0bc631f5cda803ddd435a45b4d1b4] x86_64: unstatic get_local_pda git-bisect bad 3ab876c861e0bc631f5cda803ddd435a45b4d1b4 # bad: [033786969d1d1b5af12a32a19d3a760314d05329] x86_64: there's no need to preallocate level1_fixmap_pgt git-bisect bad 033786969d1d1b5af12a32a19d3a760314d05329 # bad: [c2fb47e5163096e238853ff551e69d24d4084633] x86/paravirt: call paravirt_pagetable_setup_{start, done} git-bisect bad c2fb47e5163096e238853ff551e69d24d4084633 # bad: [adbb486a333bffdde8821d09dd5a75493a4abe8c] manual merge of auto-generic-ipi-next git-bisect bad adbb486a333bffdde8821d09dd5a75493a4abe8c anyway to convert tip/master to be one linear git tree locally.? 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/