Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752679AbXBEDBk (ORCPT ); Sun, 4 Feb 2007 22:01:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752680AbXBEDBk (ORCPT ); Sun, 4 Feb 2007 22:01:40 -0500 Received: from smtp-8.smtp.ucla.edu ([169.232.47.138]:56151 "EHLO smtp-8.smtp.ucla.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752679AbXBEDBj (ORCPT ); Sun, 4 Feb 2007 22:01:39 -0500 X-Greylist: delayed 1344 seconds by postgrey-1.27 at vger.kernel.org; Sun, 04 Feb 2007 22:01:39 EST Message-ID: <45C698D1.1070208@cogweb.net> Date: Sun, 04 Feb 2007 18:39:13 -0800 From: David Liontooth User-Agent: Icedove 1.5.0.9 (X11/20061220) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Eeek! page_mapcount(page) went negative! (-1) X-Enigmail-Version: 0.94.1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Probable-Spam: no Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6748 Lines: 141 Running a script called thumbnails, which uses imagemagick's convert utility, I got this on a mainline 2.6.16.38: Feb 4 17:04:01 prato /USR/SBIN/CRON[17173]: (tna) CMD (thumbnails /db2/2006/2006-11/2006-11-16) Feb 4 17:20:49 prato kernel: swap_free: Unused swap offset entry 00000080 Feb 4 17:20:49 prato kernel: convert[23078]: segfault at 0000000000008000 rip 00002b885c7d6590 rsp 00007fffffa49308 error 4 Feb 4 17:20:50 prato kernel: convert[23113]: segfault at 0000000000008010 rip 00002b0914f305aa rsp 00007fffff984340 error 4 Feb 4 17:50:57 prato kernel: swap_free: Unused swap offset entry 00000080 Feb 4 17:50:57 prato kernel: swap_free: Unused swap offset entry 00000080 Feb 4 17:50:57 prato kernel: Eeek! page_mapcount(page) went negative! (-1) Feb 4 17:50:57 prato kernel: page->flags = 10000000000083c Feb 4 17:50:57 prato kernel: page->count = 2 Feb 4 17:50:57 prato kernel: page->mapping = ffff81002604c670 Feb 4 17:50:57 prato kernel: ----------- [cut here ] --------- [please bite here ] --------- Feb 4 17:50:57 prato kernel: Kernel BUG at mm/rmap.c:560 Feb 4 17:50:57 prato kernel: invalid opcode: 0000 [1] SMP Feb 4 17:50:57 prato kernel: CPU 1 Feb 4 17:50:57 prato kernel: Modules linked in: lirc_serial lirc_dev saa7134_alsa tuner saa7134 video_buf compat_ioctl32 v4l2_common v4l1_compat ir_kbd_i2c ir_common videodev skge ehci_hcd ohci_hcd psmouse pcspkr evdev Feb 4 17:50:57 prato kernel: Pid: 29168, comm: thumbnails Tainted: GF 2.6.16.38 #1 Feb 4 17:50:57 prato kernel: RIP: 0010:[] {page_remove_rmap+117} Feb 4 17:50:57 prato kernel: RSP: 0018:ffff81000bc6dde8 EFLAGS: 00010286 Feb 4 17:50:57 prato kernel: RAX: 00000000ffffffff RBX: ffff810001d1b290 RCX: 0000000000006507 Feb 4 17:50:57 prato kernel: RDX: 00000000ffffff01 RSI: 0000000000000292 RDI: ffffffff80465dfc Feb 4 17:50:57 prato kernel: RBP: 000000003be9e000 R08: 0000000000000000 R09: 0000000000000001 Feb 4 17:50:57 prato kernel: R10: 0000000000000010 R11: 0000000000000000 R12: 000000000062f000 Feb 4 17:50:57 prato kernel: R13: ffff810015ed7178 R14: 00000000006d6000 R15: ffff810001e12220 Feb 4 17:50:57 prato kernel: FS: 00002b444df8a6d0(0000) GS:ffff810001fc5ac0(0000) knlGS:0000000000000000 Feb 4 17:50:57 prato kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Feb 4 17:50:57 prato kernel: CR2: 00002b444ddb61f0 CR3: 0000000013f22000 CR4: 00000000000006e0 Feb 4 17:50:57 prato kernel: Process thumbnails (pid: 29168, threadinfo ffff81000bc6c000, task ffff81003fe25160) Feb 4 17:50:57 prato kernel: Stack: ffff810001d1b290 ffffffff801519da 0000000000000000 ffff81000bc6dec8 Feb 4 17:50:57 prato kernel: ffffffffffffffff 0000000000000000 ffff81002955d648 ffff81000bc6ded0 Feb 4 17:50:57 prato kernel: 0000000000000000 000000012cf477b8 Feb 4 17:50:57 prato kernel: Call Trace: {unmap_vmas+1012} {exit_mmap+120} Feb 4 17:50:57 prato kernel: {mmput+40} {do_exit+489} Feb 4 17:50:57 prato kernel: {sys_exit_group+0} {system_call+126} Feb 4 17:50:57 prato kernel: Feb 4 17:50:57 prato kernel: Code: 0f 0b 68 f8 21 40 80 c2 30 02 5b 48 83 ce ff bf 20 00 00 00 Feb 4 17:50:57 prato kernel: RIP {page_remove_rmap+117} RSP Feb 4 17:50:57 prato kernel: <1>Fixing recursive fault but reboot is needed! Feb 4 17:52:52 prato kernel: Bad page state in process 'kswapd0' Feb 4 17:52:52 prato kernel: page:ffff810001d1b290 flags:0x0100000000000008 mapping:0000000000000000 mapcount:-1 count:0 Feb 4 17:52:52 prato kernel: Trying to fix it up, but a reboot is needed Feb 4 17:52:52 prato kernel: Backtrace: Feb 4 17:52:52 prato kernel: Feb 4 17:52:52 prato kernel: Call Trace: {bad_page+80} {free_hot_cold_page+116} Feb 4 17:52:52 prato kernel: {__pagevec_free+33} {__pagevec_release_nonlru+122} Feb 4 17:52:52 prato kernel: {shrink_zone+2280} {balance_pgdat+527} Feb 4 17:52:52 prato kernel: {kswapd+265} {autoremove_wake_function+0} Feb 4 17:52:52 prato kernel: {child_rip+8} {kswapd+0} Feb 4 17:52:52 prato kernel: {child_rip+0} lspci 00:00.0 Host bridge: nVidia Corporation nForce3 250Gb Host Bridge (rev a1) 00:01.0 ISA bridge: nVidia Corporation nForce3 250Gb LPC Bridge (rev a2) 00:01.1 SMBus: nVidia Corporation nForce 250Gb PCI System Management (rev a1) 00:02.0 USB Controller: nVidia Corporation CK8S USB Controller (rev a1) 00:02.1 USB Controller: nVidia Corporation CK8S USB Controller (rev a1) 00:02.2 USB Controller: nVidia Corporation nForce3 EHCI USB 2.0 Controller (rev a2) 00:06.0 Multimedia audio controller: nVidia Corporation nForce3 250Gb AC'97 Audio Controller (rev a1) 00:08.0 IDE interface: nVidia Corporation CK8S Parallel ATA Controller (v2.5) (rev a2) 00:0a.0 IDE interface: nVidia Corporation CK8S Serial ATA Controller (v2.5) (rev a2) 00:0b.0 PCI bridge: nVidia Corporation nForce3 250Gb AGP Host to PCI Bridge (rev a2) 00:0e.0 PCI bridge: nVidia Corporation nForce3 250Gb PCI-to-PCI Bridge (rev a2) 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 4000 AGP 8x] (rev c1) 02:06.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135 Video Broadcast Decoder (rev 10) 02:07.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135 Video Broadcast Decoder (rev 10) 02:08.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135 Video Broadcast Decoder (rev 10) 02:09.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135 Video Broadcast Decoder (rev 10) 02:0a.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135 Video Broadcast Decoder (rev 10) 02:0b.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001 Gigabit Ethernet Controller (rev 13) Let me know if more information would be useful, such as the kernel .config file. Dave - 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/