From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id D55DE8D0040 for ; Thu, 24 Mar 2011 14:53:13 -0400 (EDT) Date: Thu, 24 Mar 2011 19:52:58 +0100 From: Ingo Molnar Subject: [boot crash #2] Re: [GIT PULL] SLAB changes for v2.6.39-rc1 Message-ID: <20110324185258.GA28370@elte.hu> References: <20110324142146.GA11682@elte.hu> <20110324172653.GA28507@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110324172653.GA28507@elte.hu> Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: Christoph Lameter , torvalds@linux-foundation.org, akpm@linux-foundation.org, tj@kernel.org, npiggin@kernel.dk, rientjes@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org There's a different crash triggered by the slub merge as well, i've bisected it back to one of these commits: 09b9cc4: sd: Fail discard requests when logical block provisioning has been disabled a24c5a0: slub: Dont define useless label in the !CONFIG_CMPXCHG_LOCAL case 5bfe53a: slab,rcu: don't assume the size of struct rcu_head da9a638: slub,rcu: don't assume the size of struct rcu_head ab9a0f1: slub: automatically reserve bytes at the end of slab 8a5ec0b: Lockless (and preemptless) fastpaths for slub d3f661d: slub: Get rid of slab_free_hook_irq() 1a757fe: slub: min_partial needs to be in first cacheline d71f606: slub: fix ksize() build error b3d4188: slub: fix kmemcheck calls to match ksize() hints 3ff84a7: Revert "slab: Fix missing DEBUG_SLAB last user" 6331046: mm: Remove support for kmem_cache_name() The crash is below. Ingo [/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a /dev/sda6 general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC last sysfs file: /sys/block/sda/sda10/dev CPU 0 Pid: 0, comm: swapper Tainted: G W 2.6.38-tip-09247-g0637536-dirty #110370 System manufacturer System Product Name/A8N-E RIP: 0010:[] [] get_next_timer_interrupt+0x119/0x260 RSP: 0018:ffff88003fa03ec8 EFLAGS: 00010002 RAX: 6b6b6b6b6b6b6b6b RBX: 000000013fff034e RCX: ffffffff82808cc0 RDX: 6b6b6b6b6b6b6b6b RSI: 0000000000000000 RDI: 000000000000000e RBP: ffff88003fa03f18 R08: 000000000000000e R09: ffffffff82808be0 R10: 0000000000000000 R11: 0000000003fffc0e R12: 00000000ffff034e R13: ffffffff828087c0 R14: 0000000000000010 R15: ffff88003fa0c200 FS: 000000000071d8f0(0000) GS:ffff88003fa00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 000000000072fc5f CR3: 000000003bc32000 CR4: 00000000000006b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffffffff82400000, task ffffffff8242f020) Stack: ffff88003fa03f18 ffffffff810929bb ffffffff82808be0 ffffffff82808ce0 ffffffff82808de0 ffffffff82808ee0 ffff88003fa0dbe0 0000000000000000 0000000000000086 00000013a4a5c86d ffff88003fa03f78 ffffffff81076761 Call Trace: [] ? rcu_needs_cpu+0x6b/0x220 [] tick_nohz_stop_sched_tick+0x2c1/0x3d0 [] ? call_softirq+0x1c/0x30 [] irq_exit+0x84/0xb0 [] smp_apic_timer_interrupt+0x70/0x9b [] apic_timer_interrupt+0x13/0x20 [] ? default_idle+0x42/0x110 [] cpu_idle+0x5d/0xb0 [] rest_init+0x72/0x74 [] start_kernel+0x44d/0x458 [] x86_64_start_reservations+0x132/0x136 [] x86_64_start_kernel+0xf0/0xf7 Code: 04 4c 01 c9 48 8b 01 eb 22 66 0f 1f 84 00 00 00 00 00 f6 40 18 01 75 10 48 8b 40 10 be 01 00 00 00 48 39 d8 48 0f 48 d8 48 89 d0 8b 10 48 39 c1 0f 18 0a 75 dc 85 f6 75 5d 83 c7 01 83 e7 0f RIP [] get_next_timer_interrupt+0x119/0x260 RSP ---[ end trace cea3203dccec701b ]--- Kernel panic - not syncing: Fatal exception Pid: 0, comm: swapper Tainted: G D W 2.6.38-tip-09247-g0637536-dirty #110370 Call Trace: [] panic+0x91/0x18e [] oops_end+0xd4/0xf0 [] die+0x58/0x90 [] do_general_protection+0x162/0x170 [] ? __cfq_slice_expired+0x295/0x490 [] general_protection+0x1f/0x30 [] ? get_next_timer_interrupt+0x119/0x260 [] ? get_next_timer_interrupt+0x44/0x260 [] ? rcu_needs_cpu+0x6b/0x220 [] tick_nohz_stop_sched_tick+0x2c1/0x3d0 [] ? call_softirq+0x1c/0x30 [] irq_exit+0x84/0xb0 [] smp_apic_timer_interrupt+0x70/0x9b [] apic_timer_interrupt+0x13/0x20 [] ? default_idle+0x42/0x110 [] cpu_idle+0x5d/0xb0 [] rest_init+0x72/0x74 [] start_kernel+0x44d/0x458 [] x86_64_start_reservations+0x132/0x136 [] x86_64_start_kernel+0xf0/0xf7 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org