Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758041AbXFJNmy (ORCPT ); Sun, 10 Jun 2007 09:42:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752836AbXFJNmr (ORCPT ); Sun, 10 Jun 2007 09:42:47 -0400 Received: from main.carme.maven.pl ([193.239.45.138]:38673 "EHLO main.carme.maven.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752150AbXFJNmq convert rfc822-to-8bit (ORCPT ); Sun, 10 Jun 2007 09:42:46 -0400 From: Arkadiusz Miskiewicz Organization: SelfOrganizing To: linux-kernel@vger.kernel.org Subject: cat /dev/snapshot == OOPs Date: Sun, 10 Jun 2007 15:42:33 +0200 User-Agent: PLD Linux KMail/1.9.7 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200706101542.33951.arekm@maven.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3463 Lines: 75 Hello, Is this desired behaviour? $ sudo cat /dev/snapshot ended with: [54498.464550] device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel@redhat.com [56592.077674] swsusp: Basic memory bitmaps created [56592.084340] BUG: unable to handle kernel NULL pointer dereference at virtual address 0000000c [56592.084340] printing eip: [56592.084340] c0135a6e [56592.084340] *pde = 00000000 [56592.084340] Oops: 0000 [#1] [56592.084340] Modules linked in: dm_snapshot dm_mod radeon drm binfmt_misc ipv6 sch_sfq mmc_block rfcomm l2cap bluetooth ircomm_tty ircomm cpufreq_ondemand acpi_cpufreq freq_table hdaps snd_pcm_oss snd_mixer_oss video thermal processor fan container evdev button battery ac nvram thinkpad_acpi hwmon backlight tun capability commoncap firewire_ohci firewire_core crc_itu_t ahci pcmcia sdhci usbhid hid ff_memless ohci1394 mmc_core ata_generic ipw2200 ieee80211 ieee80211_crypt firmware_class ieee1394 yenta_socket rsrc_nonstatic pcmcia_core nsc_ircc tg3 snd_hda_intel generic i2c_i801 i2c_core ide_core snd_pcm snd_timer snd intel_agp iTCO_wdt iTCO_vendor_support soundcore sr_mod psmouse agpgart snd_page_alloc serio_raw uhci_hcd irda crc_ccitt ehci_hcd usbcore cdrom rtc_cmos rtc_core rtc_lib xfs scsi_wait_scan sd_mod ata_piix libata scsi_mod [56592.084340] CPU: 0 [56592.084340] EIP: 0060:[] Not tainted VLI [56592.084340] EFLAGS: 00210206 (2.6.22-rc4 #70) [56592.084340] EIP is at snapshot_read_next+0xcf/0x1d7 [56592.084340] eax: 00000000 ebx: d96fd200 ecx: c038e8f8 edx: e0688000 [56592.084340] esi: c031c462 edi: e0688186 ebp: ee42df5c esp: ee42df48 [56592.084340] ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 [56592.084340] Process cat (pid: 22965, ti=ee42c000 task=c7d55480 task.ti=ee42c000) [56592.084340] Stack: 00001000 c038e8f8 d96fd200 c038e8f8 0804e000 ee42df70 c0136ba5 d96fd200 [56592.084340] c0136b91 0804e000 ee42df90 c015b26b ee42df9c 00000006 00001000 d96fd200 [56592.084340] fffffff7 0804e000 ee42dfb0 c015b5d3 ee42df9c 00000000 00000000 00000000 [56592.084340] Call Trace: [56592.084340] [] show_trace_log_lvl+0x1a/0x2f [56592.084340] [] show_stack_log_lvl+0x9b/0xa3 [56592.084340] [] show_registers+0x1b4/0x286 [56592.084340] [] die+0xdf/0x1b1 [56592.084340] [] do_page_fault+0x424/0x4f0 [56592.084340] [] error_code+0x6a/0x70 [56592.084340] [] snapshot_read+0x14/0x48 [56592.084340] [] vfs_read+0xad/0x15f [56592.084340] [] sys_read+0x3d/0x61 [56592.084340] [] sysenter_past_esp+0x5f/0x85 [56592.084340] ======================= [56592.084340] Code: 03 05 b4 e8 38 c0 40 89 82 98 01 00 00 c1 e0 0c 89 82 9c 01 00 00 a1 a0 e8 38 c0 8b 4d f0 89 41 14 a1 b8 e8 38 c0 a3 c0 e8 38 c0 <8b> 40 0c c7 05 c8 e8 38 c0 00 00 00 00 c7 05 cc e8 38 c0 ff ff [56592.084340] EIP: [] snapshot_read_next+0xcf/0x1d7 SS:ESP 0068:ee42df48 [56592.101007] swsusp: Basic memory bitmaps freed that's on i686 with git tree with latest commit: 845a2fdcbd5bc5b9f652201ee95c825827a1d521 -- Arkadiusz Mi?kiewicz PLD/Linux Team arekm / maven.pl http://ftp.pld-linux.org/ - 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/