Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932109Ab2FFTDE (ORCPT ); Wed, 6 Jun 2012 15:03:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38882 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757856Ab2FFTDB (ORCPT ); Wed, 6 Jun 2012 15:03:01 -0400 Date: Wed, 6 Jun 2012 12:53:40 -0400 From: Dave Jones To: Linux Kernel Cc: linux-mm@kvack.org Subject: kernel BUG at mm/memory.c:1228! Message-ID: <20120606165330.GA27744@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel , linux-mm@kvack.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3593 Lines: 63 I hit this in overnight testing.. ------------[ cut here ]------------ kernel BUG at mm/memory.c:1228! invalid opcode: 0000 [#1] PREEMPT SMP CPU 0 Modules linked in: ipt_ULOG tun fuse dccp_ipv6 dccp_ipv4 dccp nfnetlink binfmt_misc sctp libcrc32c caif_socket caif phonet bluetooth rfkill can llc2 pppoe pppox ppp_generic slhc irda crc_ccitt rds af_key decnet rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables kvm_intel kvm crc32c_intel ghash_clmulni_intel serio_raw microcode usb_debug pcspkr i2c_i801 e1000e nfsd nfs_acl auth_rpcgss lockd sunrpc i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: scsi_wait_scan] Pid: 30885, comm: trinity-child0 Not tainted 3.5.0-rc1+ #61 RIP: 0010:[] [] unmap_single_vma+0x6f2/0x750 RSP: 0000:ffff880119c4dab8 EFLAGS: 00010246 RAX: ffff880116976300 RBX: 0000000100001000 RCX: ffff880000000000 RDX: ffff880117c59000 RSI: 0000000100000fff RDI: ffff880119c4dbe0 RBP: ffff880119c4db78 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffffffffffffff R13: 0000000100000000 R14: 0000000100000000 R15: ffff880119c4dbe0 FS: 00007fd1f2624740(0000) GS:ffff880147c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000256f000 CR3: 0000000116e19000 CR4: 00000000001407f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process trinity-child0 (pid: 30885, threadinfo ffff880119c4c000, task ffff880117dc0000) Stack: 0000000019c4dad8 0000000000000070 0000000100000fff 0000000100000fff 0000000100001000 ffff880116e19000 0000000100000fff ffff88013f500020 0000000100001000 ffff880116976300 ffff880116976360 000000013d559160 Call Trace: [] unmap_vmas+0x52/0xa0 [] exit_mmap+0xb4/0x150 [] mmput+0x83/0xf0 [] exit_mm+0x108/0x130 [] ? _raw_spin_unlock_irq+0x3b/0x60 [] do_exit+0x164/0xb90 [] ? get_signal_to_deliver+0x291/0x930 [] ? put_lock_stats.isra.23+0xe/0x40 [] ? _raw_spin_unlock_irq+0x30/0x60 [] do_group_exit+0x4c/0xc0 [] get_signal_to_deliver+0x2ce/0x930 [] do_signal+0x3f/0x610 [] ? ich6_lpc_generic_decode+0x12/0x73 [] ? is_prefetch.isra.13+0xd8/0x1fd [] ? error_sti+0x5/0x6 [] ? retint_signal+0x11/0x83 [] do_notify_resume+0x88/0xc0 [] retint_signal+0x46/0x83 Code: 40 49 89 04 24 e9 a4 fd ff ff 0f 1f 80 00 00 00 00 48 8b 55 98 48 8b 7d a0 4c 89 e9 4c 89 f6 e8 15 dd ff ff e9 a9 fd ff ff 0f 0b <0f> 0b 48 8b 7d a0 31 d2 31 f6 e8 1f 97 ec ff e9 74 f9 ff ff 48 RIP [] unmap_single_vma+0x6f2/0x750 RSP ---[ end trace 9e2b5f3bc9692250 ]--- That's this in zap_pmd_range 1227 if (next - addr != HPAGE_PMD_SIZE) { 1228 VM_BUG_ON(!rwsem_is_locked(&tlb->mm->mmap_sem)); 1229 split_huge_page_pmd(vma->vm_mm, pmd); -- 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/