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From devnull@lkml.org Sun May 19 13:31:15 2024 Delivery-date: Tue, 08 Aug 2006 18:39:55 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965028AbWHHSjF (ORCPT ); Tue, 8 Aug 2006 14:39:05 -0400 Received: from mx1.redhat.com ([66.187.233.31]:5051 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S965024AbWHHSjD (ORCPT ); Tue, 8 Aug 2006 14:39:03 -0400 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k78Id2mt018015 for ; Tue, 8 Aug 2006 14:39:02 -0400 Received: from nwo.kernelslacker.org (vpn-248-3.boston.redhat.com [10.13.248.3]) by int-mx1.corp.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k78IcvsW024901 for ; Tue, 8 Aug 2006 14:38:57 -0400 Received: from nwo.kernelslacker.org (localhost.localdomain [127.0.0.1]) by nwo.kernelslacker.org (8.13.7/8.13.5) with ESMTP id k78IculW013595 for ; Tue, 8 Aug 2006 14:38:56 -0400 Received: (from davej@localhost) by nwo.kernelslacker.org (8.13.7/8.13.7/Submit) id k78IcuLJ013594 for linux-kernel@vger.kernel.org; Tue, 8 Aug 2006 14:38:56 -0400 X-Authentication-Warning: nwo.kernelslacker.org: davej set sender to davej@redhat.com using -f Date: Tue, 8 Aug 2006 14:38:56 -0400 From: Dave Jones To: Linux Kernel Subject: lockdep spew Message-Id: <20060808183856.GA4880@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="VbJkn9YxBvnuCH5J" Content-Disposition: inline User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org --VbJkn9YxBvnuCH5J Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I don't think I've seen this one reported yet. This kernel was a 2.6.18rc3-gitSomething, but I don't think anything has changed recently that would explain this? Dave -- http://www.codemonkey.org.uk --VbJkn9YxBvnuCH5J Content-Type: message/rfc822 Content-Disposition: inline Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.4 (2006-07-25) on nwo.kernelslacker.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=AWL,BAYES_00,NO_REAL_NAME, UNPARSEABLE_RELAY autolearn=no version=3.1.4 Received: from pobox.devel.redhat.com [10.11.255.8] by nwo.kernelslacker.org with IMAP (fetchmail-6.3.4) for (single-drop); Tue, 08 Aug 2006 11:52:12 -0400 (EDT) Received: from pobox.devel.redhat.com ([unix socket]) by pobox.devel.redhat.com (Cyrus v2.2.12-Invoca-RPM-2.2.12-3.RHEL4.1) with LMTPA; Tue, 08 Aug 2006 11:51:56 -0400 X-Sieve: CMU Sieve 2.2 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by pobox.devel.redhat.com (8.13.1/8.13.1) with ESMTP id k78FpuH5022032; Tue, 8 Aug 2006 11:51:56 -0400 Received: from post-office.corp.redhat.com (post-office.corp.redhat.com [172.16.52.227]) by int-mx1.corp.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k78FpsGv001323; Tue, 8 Aug 2006 11:51:54 -0400 Received: from post-office.corp.redhat.com (localhost.localdomain [127.0.0.1]) by post-office.corp.redhat.com (8.11.6/8.11.6) with ESMTP id k78FpsR21709; Tue, 8 Aug 2006 11:51:54 -0400 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by post-office.corp.redhat.com (8.11.6/8.11.6) with ESMTP id k78FaZR19518 for ; Tue, 8 Aug 2006 11:36:35 -0400 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k78FaZ6q028664 for ; Tue, 8 Aug 2006 11:36:35 -0400 Received: from bugzilla.redhat.com (bugzilla.redhat.com [172.16.48.198]) by mx1.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k78FaYUl013200 for ; Tue, 8 Aug 2006 11:36:34 -0400 Received: from bugzilla.redhat.com (localhost.localdomain [127.0.0.1]) by bugzilla.redhat.com (8.13.1/8.13.1) with ESMTP id k78FaY0M014528 for ; Tue, 8 Aug 2006 11:36:34 -0400 Received: (from apache@localhost) by bugzilla.redhat.com (8.13.1/8.12.11/Submit) id k78FaYnH014527; Tue, 8 Aug 2006 11:36:34 -0400 From: bugzilla@redhat.com To: kernel-maint@redhat.com Subject: [Bug 201726] New: massive kernel spewage with DWARF2 unwinder errors Content-type: text/plain; charset=utf-8 Message-ID: X-Loop: bugzilla@redhat.com X-BeenThere: bugzilla@redhat.com X-Bugzilla-Product: Fedora Core X-Bugzilla-Version: fc6test2 X-Bugzilla-Component: kernel X-Bugzilla-Comment: Public X-Bugzilla-Reason: AssignedTo X-Bugzilla-Changed-Fields: New Sender: kernel-maint-admin@redhat.com Errors-To: kernel-maint-admin@redhat.com X-BeenThere: kernel-maint@redhat.com X-Mailman-Version: 2.0.13 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Date: Tue, 8 Aug 2006 11:36:34 -0400 Please do not reply directly to this email. All additional comments should be made in the comments box of this bug report. https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=201726 Summary: massive kernel spewage with DWARF2 unwinder errors Product: Fedora Core Version: fc6test2 Platform: x86_64 OS/Version: Linux Status: NEW Severity: high Priority: normal Component: kernel AssignedTo: kernel-maint@redhat.com ReportedBy: netllama@gmail.com QAContact: bbrock@redhat.com CC: wtogami@redhat.com Description of problem: Version-Release number of selected component (if applicable): 2.6.17-1.2517.fc6 and 2.6.17-1.2530.fc6 How reproducible: Steps to Reproduce: 1. Boot, and the fireworks begin early on at "checking if image is initramfs..." 2. Even after booting, there's a ton more spewage, seemingly at random when doing things as simple as ssh/scp, and also when running the attached sysreport. Actual results: ####### checking if image is initramfs... ============================================= [ INFO: possible recursive locking detected ] --------------------------------------------- swapper/1 is trying to acquire lock: (&nc->lock){....}, at: [] kmem_cache_free+0x1a1/0x26c but task is already holding lock: (&nc->lock){....}, at: [] kfree+0x1b3/0x27e other info that might help us debug this: 2 locks held by swapper/1: #0: (&nc->lock){....}, at: [] kfree+0x1b3/0x27e #1: (&parent->list_lock){....}, at: [] __drain_alien_cache+0x37/0 x77 stack backtrace: Call Trace: [] show_trace+0xae/0x30e [] dump_stack+0x15/0x17 [] __lock_acquire+0x135/0xa54 [] lock_acquire+0x4b/0x69 [] _spin_lock+0x25/0x31 [] kmem_cache_free+0x1a1/0x26c [] slab_destroy+0x12b/0x138 [] free_block+0x1aa/0x1ee [] __drain_alien_cache+0x5d/0x77 [] kfree+0x1d0/0x27e [] free+0x9/0xb [] huft_free+0x1b/0x27 [] inflate_dynamic+0x4f0/0x525 [] unpack_to_rootfs+0x4c7/0x930 [] populate_rootfs+0x65/0xe7 [] init+0x190/0x3cd [] child_rip+0x8/0x12 DWARF2 unwinder stuck at child_rip+0x8/0x12 Leftover inexact backtrace: [] _spin_unlock_irq+0x2b/0x31 [] restore_args+0x0/0x30 [] acpi_os_acquire_lock+0x9/0xb [] init+0x0/0x3cd [] child_rip+0x0/0x12 it is ############## ############ sibling task PC pid father child younger older init S ffff8101442eda08 0 1 0 2 (NOTLB) ffff8101442eda08 ffff8101442ed988 ffffffff806c0d80 0000000000000008 ffff81013fc6a040 ffffffff80567e80 000000a047ea2983 0000000000015fe9 ffff81013fc6a228 ffff810100000000 ffffffff806c0d80 ffff8101442eda08 Call Trace: [] schedule_timeout+0x8c/0xb3 [] do_select+0x470/0x4de [] core_sys_select+0x1b7/0x266 [] sys_select+0x147/0x172 [] system_call+0x7e/0x83 DWARF2 unwinder stuck at system_call+0x7e/0x83 Leftover inexact backtrace: migration/0 S ffff81013fc77e98 0 2 1 3 (L-TLB) ffff81013fc77e98 0000000100000296 0000000000000002 0000000000000001 ffff8101442ea040 ffffffff80567e80 000000a0598b50f5 000000000000119a ffff8101442ea228 ffff810100000000 0000000000000046 ffff81013fc77e78 Call Trace: [] migration_thread+0x1a2/0x23f [] kthread+0x100/0x136 [] child_rip+0x8/0x12 DWARF2 unwinder stuck at child_rip+0x8/0x12 Leftover inexact backtrace: [] _spin_unlock_irq+0x2b/0x31 [] restore_args+0x0/0x30 [] kthread+0x0/0x136 [] child_rip+0x0/0x12 ######### Expected results: No spewage Additional info: I'm seeing all of this behavior on an HP xw9300 workstation ------- Additional Comments From netllama@gmail.com 2006-08-08 11:27 EST ------- Created an attachment (id=133794) --> (https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=133794&action=view) dmesg which includes the copious backtraces -- Configure bugmail: https://bugzilla.redhat.com/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --VbJkn9YxBvnuCH5J-- - 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/