From: Andrew Morton Subject: Re: [NFS] mm snapshot broken-out-2007-11-20-01-45.tar.gz -- powerpc panic Date: Tue, 20 Nov 2007 12:35:59 -0800 Message-ID: <20071120123559.d970db9e.akpm@linux-foundation.org> References: <200711200953.lAK9qxjO030444@imap1.linux-foundation.org> <20071120144659.GC12066@shadowen.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: Alexey Dobriyan , "Eric W. Biederman" , nfs@lists.sourceforge.net, linux-kernel@vger.kernel.org, kamalesh@linux.vnet.ibm.com To: Andy Whitcroft Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1IuZvC-0003dK-T0 for nfs@lists.sourceforge.net; Tue, 20 Nov 2007 12:42:15 -0800 Received: from smtp2.linux-foundation.org ([207.189.120.14]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1IuZvB-0003RA-Ln for nfs@lists.sourceforge.net; Tue, 20 Nov 2007 12:42:15 -0800 In-Reply-To: <20071120144659.GC12066-26w3C0LaAnFg9hUCZPvPmw@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Tue, 20 Nov 2007 14:46:59 +0000 Andy Whitcroft wrote: > I have one powerpc machine which managed to compile this snapshot! It > paniced on boot as below, might be nfs so copied them. General results > are popping out on TKO. > > -apw > > Freeing initrd memory: 1224k freed > Installing knfsd (copyright (C) 1996 okir-pn4DOG8n3UYbFoVRYvo4fw@public.gmane.org). > Unable to handle kernel paging request for data at address 0x00000050 > Faulting instruction address: 0xc000000000113b64 > Oops: Kernel access of bad area, sig: 11 [#1] > SMP NR_CPUS=32 NUMA pSeries > Modules linked in: > NIP: c000000000113b64 LR: c000000000113b44 CTR: 0000000000000000 > REGS: C00000077E0679D0 TRAP: 0300 Not tainted (2.6.24-rc3-mm1-autokern1) > MSR: 8000000000009032 CR: 24004044 XER: 20000000 > DAR: 0000000000000050, DSISR: 0000000040000000 > TASK = C00000077E062000[1] 'swapper' THREAD: C00000077E064000 CPU: 0 > GPR00: 0000000000000000 c00000077e067c50 c0000000006c5650 0000000000000001 > GPR04: c00000077e625bdc 0000000000000005 c000000000501ad4 c000000000731d18 > GPR08: 0000000000000000 0000000000000000 c00000077e625b40 0000000000000001 > GPR12: 0000000024004044 c0000000005fd000 0000000000000000 0000000000000000 > GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > GPR20: 4000000003a00000 0000000004300000 0000000003fb94a8 0000000000132000 > GPR24: 0000000003fb9718 0000000000000000 c0000000005b6e70 0000000000000000 > GPR28: 0000000000000005 c00000077e625b40 c000000000652e48 c00000077e625c50 > NIP [c000000000113b64] .remove_proc_entry+0xac/0x234 > LR [c000000000113b44] .remove_proc_entry+0x8c/0x234 > Call Trace: > [c00000077e067c50] [c000000000113b44] .remove_proc_entry+0x8c/0x234 (unreliable) > [c00000077e067d10] [c00000000048bf28] .cache_unregister+0x108/0x1b4 > [c00000077e067d90] [c0000000001ca988] .nfsd_export_shutdown+0x50/0xa4 > [c00000077e067e10] [c0000000005a712c] .init_nfsd+0x108/0x13c > [c00000077e067ea0] [c000000000582438] .kernel_init+0x224/0x3fc > [c00000077e067f90] [c000000000026204] .kernel_thread+0x4c/0x68 > Instruction dump: > e8bf0000 e8810090 7f83e378 4bfffd25 2f830000 419e0018 ebbf0000 e81d0050 > f81f0000 38000000 f81d0050 e93f0000 3be90050 2fa00000 409effc4 > Kernel panic - not syncing: Attempted to kill init! Various people have been mucking with procfs core: proc-remove-module_license.patch proc-less-lock-operations-during-lookup.patch proc-simplify-function-prototypes.patch proc-remove-useless-check-on-symlink-removal.patch proc-remove-useless-checks-in-proc_register.patch proc-detect-duplicate-names-on-registration.patch proc-detect-duplicate-names-on-registration-fix.patch proc-simplify-remove_proc_entry-wrt-locking.patch proc-simplify-remove_proc_entry-wrt-locking-checkpatch-fixes.patch proc-implement-proc_single_file_operations.patch proc-rewrite-do_task_stat-to-correctly-handle-pid-namespaces.patch proc-seqfile-convert-proc_pid_statm.patch proc-proper-pidns-handling-for-proc-self.patch And I had to skip a couple of patches due to conflicts. I'll see if it happens on any of my test machines. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs _______________________________________________ Please note that nfs@lists.sourceforge.net is being discontinued. Please subscribe to linux-nfs@vger.kernel.org instead. http://vger.kernel.org/vger-lists.html#linux-nfs