Most recent kernel where this bug did not occur: n/a Distribution: SuSE Linux 10.0 Hardware Environment: hwinfo --short cpu: Intel(R) Pentium(R) 4 CPU 2.80GHz, 2793 MHz keyboard: /dev/input/event1 AT Translated Set 2 keyboard mouse: /dev/input/mice ImPS/2 Generic Wheel Mouse monitor: Generic Monitor graphics card: Micro-Star International 865 G sound: Micro-Star International 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller storage: Floppy disk controller Micro-Star International 865PE Neo2 (MS-6728) network: eth0 Micro-Star International RTL-8139/8139C/8139C+ network interface: eth0 Ethernet network interface lo Loopback network interface sit0 Network Interface disk: /dev/disk/by-id/ata-Maxtor_6E040L0_E1QFAN6E Maxtor 6E040L0 partition: /dev/disk/by-id/ata-Maxtor_6E040L0_E1QFAN6E-part1 Partition /dev/disk/by-id/ata-Maxtor_6E040L0_E1QFAN6E-part2 Partition cdrom: /dev/disk/by-path/pci-0000:00:1f.1-ide-1:0 PHILIPS PCDV6116 usb controller: Micro-Star International 865PE Neo2 (MS-6728) Micro-Star International 865PE Neo2 (MS-6728) Micro-Star International 865PE Neo2 (MS-6728) Micro-Star International 865PE Neo2 (MS-6728) Micro-Star International 865PE Neo2 (MS-6728) bios: BIOS bridge: Micro-Star International 82865G/PE/P DRAM Controller/Host-Hub Interface Intel 82801 PCI Bridge Intel 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge hub: Linux 2.6.13-15.7-default uhci_hcd UHCI Host Controller Linux 2.6.13-15.7-default uhci_hcd UHCI Host Controller Linux 2.6.13-15.7-default uhci_hcd UHCI Host Controller Linux 2.6.13-15.7-default uhci_hcd UHCI Host Controller Linux 2.6.13-15.7-default ehci_hcd EHCI Host Controller memory: Main Memory unknown: FPU DMA controller PIC Timer RTC Keyboard controller /dev/lp0 Parallel controller PS/2 Controller Micro-Star International 865PE Neo2 (MS-6728) PnP Unclassified device Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device PnP Unclassified device /dev/ttyS0 16550A /dev/ttyS1 16550A Software Environment: samba-3.0.20b (compiled for SuSE 10.0) autofs-4.1.4-6 krusader-1.70.0_0.2-1.guru.suse100.kde34 Problem Description: The following problem occured repeatedly on different kernels of version 2.6.13. During work (KDE, krusader) at first the keyboard freezes (no input accepted) and the system remains hanging on manual shutdown. Each time this occurs a /var/log/messages very similar to that below occurs - some automount/cifs entries and the NULL POINTER dereference: -- Dec 16 09:31:16 charlie automount[6717]: >> Domain=[LION] OS=[Windows 5.0] Server=[Windows 2000 LAN Manager] Dec 16 09:31:16 charlie automount[6717]: >> Domain=[LION] OS=[Windows 5.0] Server=[Windows 2000 LAN Manager] Dec 16 09:31:16 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -2 Dec 16 09:31:16 charlie automount[6717]: >> mount error 2 = No such file or directory Dec 16 09:31:16 charlie automount[6717]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Dec 16 09:31:16 charlie automount[6717]: mount(generic): failed to mount //lion/koch (type cifs) on /mnt/samba/lion/koch Dec 16 09:31:16 charlie automount[6717]: >> mount error 20 = Not a directory Dec 16 09:31:16 charlie automount[6717]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Dec 16 09:31:16 charlie automount[6717]: mount(generic): failed to mount //lion/dfsroot (type cifs) on /mnt/samba/lion/dfsroot Dec 16 09:31:44 charlie kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Dec 16 09:31:44 charlie kernel: printing eip: Dec 16 09:31:44 charlie kernel: c01445e6 Dec 16 09:31:44 charlie kernel: *pde = 00000000 Dec 16 09:31:44 charlie kernel: Oops: 0002 [#1] Dec 16 09:31:44 charlie kernel: Modules linked in: nls_utf8 cifs ipt_pkttype ipt_LOG ipt_limit speedstep_lib freq_table autofs4 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device bu tton battery ac af_packet edd ip6t_REJECT ipt_REJECT ipt_state iptable_mangle iptable_nat iptable_filter 8139too mii ip6table_mangle ip_conntrack shpchp pci_hotplug ip_tables snd_ intel8x0 snd_ac97_codec snd_ac97_bus ehci_hcd i2c_i801 i2c_core snd_pcm snd_timer snd soundcore snd_page_alloc uhci_hcd intel_agp agpgart generic usbcore ip6table_filter ip6_table s ipv6 parport_pc lp parport dm_mod ext3 jbd fan thermal ide_cd cdrom processor piix ide_disk ide_core Dec 16 09:31:44 charlie kernel: CPU: 0 Dec 16 09:31:44 charlie kernel: EIP: 0060:[<c01445e6>] Tainted: G X VLI Dec 16 09:31:44 charlie kernel: EFLAGS: 00010002 (2.6.13-15.7-default) Dec 16 09:31:44 charlie kernel: EIP is at free_block+0x66/0xd0 Dec 16 09:31:44 charlie kernel: eax: 00000000 ebx: f0e27b40 ecx: d9e41000 edx: f776e9a0 Dec 16 09:31:44 charlie kernel: esi: dffff780 edi: 00000003 ebp: 00000005 esp: dfe27f38 Dec 16 09:31:44 charlie kernel: ds: 007b es: 007b ss: 0068 Dec 16 09:31:44 charlie kernel: Process events/0 (pid: 3, threadinfo=dfe26000 task=dfe41020) Dec 16 09:31:44 charlie kernel: Stack: dfffc110 dfffc110 dfffc100 00000005 dffff780 c0144a63 dffff780 dffff7f0 Dec 16 09:31:44 charlie kernel: 00000000 dffff89c c0144b2b c0417624 00000202 00000000 dfffb680 c012a5e9 Dec 16 09:31:44 charlie kernel: dfffb688 dfffb690 dfffb698 dfe26000 c0144ad0 00000001 00000000 c01195c7 Dec 16 09:31:44 charlie kernel: Call Trace: Dec 16 09:31:44 charlie kernel: [<c0144a63>] drain_array_locked+0x43/0xb0 Dec 16 09:31:44 charlie kernel: [<c0144b2b>] cache_reap+0x5b/0x120 Dec 16 09:31:44 charlie kernel: [<c012a5e9>] worker_thread+0x169/0x200 Dec 16 09:31:44 charlie kernel: [<c0144ad0>] cache_reap+0x0/0x120 Dec 16 09:31:44 charlie kernel: [<c01195c7>] __wake_up_common+0x37/0x60 Dec 16 09:31:44 charlie kernel: [<c0119580>] default_wake_function+0x0/0x10 Dec 16 09:31:44 charlie kernel: [<c012a480>] worker_thread+0x0/0x200 Dec 16 09:31:44 charlie kernel: [<c012dc35>] kthread+0x85/0x90 Dec 16 09:31:44 charlie kernel: [<c012dbb0>] kthread+0x0/0x90 Dec 16 09:31:44 charlie kernel: [<c01012f1>] kernel_thread_helper+0x5/0x14 Dec 16 09:31:44 charlie kernel: Code: 53 04 47 39 fd 74 6e 8b 04 24 8b 15 70 cb 41 c0 8b 0c b8 8d 81 00 00 00 40 c1 e8 0c c1 e0 05 8b 5c 10 1c 8b 13 8b 43 04 89 42 04 <89> 10 8b 4 3 0c c7 03 00 01 10 00 29 c1 c7 43 04 00 02 20 00 89 -- Steps to reproduce: The problem occurs by accident, appearantly on auto-mounting by CIFS some shares. Sorry :-(
Can you check whether this problem is still present in kernel 2.6.15-rc5?
Not so quickly, sorry. I work with a productive system and cannot risk this at the moment. Last time I tried different kernels here I had a broken file system as a result. I will try to provide you this information as soon as possible, if there is no other way how to figure it out. Thanx for the quick reply.
I made the following upgrades to SuSE 10.0 an will provide news if available: - kernel-default-2.6.15_rc5_git3-2.i586.rpm - kernel-default-nongpl-2.6.15_rc5_git3-2.i586.rpm - resmgr-0.9.8_SVNr65-2.i586.rpm - hal-resmgr-0.1_SVNr64-2.i586.rpm (Source: ftp.opensuse.org / ftp.suse.com) Further comment: I'm not sure, but if the CIFS automount was the reason for crashing, then might be of interest that on the Windows 2000 computer was a Distributed File System service running which might have confused samba (dfsroot). I'll watch it.
Hello Adrian, to answer your request, the problem occured right now in version 2.6.15-rc5-git3, too. I changed it in SUBJ. Obviously immediately after auto-mounting a Windows share by CIFS. SuSE version is 2.6.15-rc5-git3-2-default. Samba: samba-3.0.20b-3.1 See /var/log/messages: Jan 9 08:40:46 charlie automount[5431]: >> mount error 20 = Not a directory Jan 9 08:40:46 charlie automount[5431]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 9 08:40:46 charlie automount[5431]: mount(generic): failed to mount //lion/export (type cifs) on /mnt/samba/lion_export Jan 9 08:40:47 charlie automount[5442]: >> mount error 20 = Not a directory Jan 9 08:40:47 charlie automount[5442]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 9 08:40:47 charlie automount[5442]: mount(generic): failed to mount //lion/export (type cifs) on /mnt/samba/lion_export Jan 9 08:40:47 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 9 08:40:47 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 9 08:40:47 charlie automount[5448]: >> retrying with upper case share name Jan 9 08:40:47 charlie automount[5448]: >> mount error 6 = No such device or address Jan 9 08:40:47 charlie automount[5448]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 9 08:40:47 charlie automount[5448]: mount(generic): failed to mount //lion/export/.directory (type cifs) on /mnt/samba/lion_export/.directory Jan 9 08:42:03 charlie kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004 Jan 9 08:42:03 charlie kernel: printing eip: Jan 9 08:42:03 charlie kernel: c0143b4e Jan 9 08:42:03 charlie kernel: *pde = 00000000 Jan 9 08:42:03 charlie kernel: Oops: 0002 [#1] Jan 9 08:42:03 charlie kernel: Modules linked in: cifs nls_cp850 nls_utf8 smbfs bluetooth ipt_pkttype ipt_LOG ipt_limit autofs4 speedstep_lib freq_table snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device button battery ac af_packet edd i8xx_tco snd_intel8x0 8139too snd_ac97_codec mii ehci_hcd snd_ac97_bus i2c_i801 i2c_core shpchp snd_pcm snd_timer snd sound core snd_page_alloc generic pci_hotplug intel_agp agpgart uhci_hcd usbcore ip6t_REJECT ipt_REJECT ipt_state iptable_mangle iptable_nat ip_nat iptable_filter ip6table_mangle ip_con ntrack nfnetlink ip_tables ip6table_filter ip6_tables ipv6 parport_pc lp parport dm_mod ext3 jbd fan thermal ide_cd cdrom processor piix ide_disk ide_core Jan 9 08:42:03 charlie kernel: CPU: 0 Jan 9 08:42:03 charlie kernel: EIP: 0060:[<c0143b4e>] Tainted: G U VLI Jan 9 08:42:03 charlie kernel: EFLAGS: 00010002 (2.6.15-rc5-git3-2-default) Jan 9 08:42:03 charlie kernel: EIP is at free_block+0x6e/0xf0 Jan 9 08:42:03 charlie kernel: eax: 00000000 ebx: eac3a7a0 ecx: da90c000 edx: 00000000 Jan 9 08:42:03 charlie kernel: esi: dfffde40 edi: dfffff80 ebp: 00000000 esp: c18f1f04 Jan 9 08:42:03 charlie kernel: ds: 007b es: 007b ss: 0068 Jan 9 08:42:03 charlie kernel: Process events/0 (pid: 3, threadinfo=c18f0000 task=dfe41030) Jan 9 08:42:03 charlie kernel: Stack: 00000001 dfffca90 dfffca90 00000001 dfffca80 00000000 c0144141 00000000 Jan 9 08:42:03 charlie kernel: dfffff80 dfffffcc dfffff80 dfffde40 00000001 c01441f1 00000000 dfffde10 Jan 9 08:42:03 charlie kernel: c03d0664 dfe43700 00000202 00000000 c0129245 dfe43708 dfe43710 dfe43718 Jan 9 08:42:03 charlie kernel: Call Trace: Jan 9 08:42:03 charlie kernel: [<c0144141>] drain_array_locked+0x41/0x90 Jan 9 08:42:04 charlie kernel: [<c01441f1>] cache_reap+0x61/0x130 Jan 9 08:42:04 charlie kernel: [<c0129245>] worker_thread+0x195/0x230 Jan 9 08:42:04 charlie kernel: [<c0144190>] cache_reap+0x0/0x130 Jan 9 08:42:04 charlie kernel: [<c02c0df7>] schedule+0x307/0x5c0 Jan 9 08:42:04 charlie kernel: [<c0118af0>] default_wake_function+0x0/0x10 Jan 9 08:42:04 charlie kernel: [<c01290b0>] worker_thread+0x0/0x230 Jan 9 08:42:04 charlie kernel: [<c012c815>] kthread+0x85/0x90 Jan 9 08:42:04 charlie kernel: [<c012c790>] kthread+0x0/0x90 Jan 9 08:42:04 charlie kernel: [<c01012f9>] kernel_thread_helper+0x5/0xc Jan 9 08:42:04 charlie kernel: Code: 00 8b 44 24 04 8b 15 b0 5b 3d c0 8b 0c a8 8d 81 00 00 00 40 c1 e8 0c c1 e0 05 8b 5c 10 1c 8b 44 24 1c 8b 13 8b 74 87 14 8b 43 04 <89> 42 04 c7 43 04 00 02 20 00 89 10 c7 03 00 01 10 00 8b 43 0c
I already mentioned one fact that might help to reproduce the error: The CIFS mount in the log file /mnt/samba/lion_export tries to mount smb://lion/export, which is a Windows DFS root (Distributed File System on Windows 2000 Professional).
Again, again, and again.... Sorry for repeating. The null pointer dereference mentioned above can be seen and freezes the SuSE Linux 10.0 system based on Kernel v2.6.15-rc6-git2 (from the upcoming 10.1), too. Again with failed CIFS mounts in front. SuSE 10.0 versions: - kernel-default-2.6.15-rc6-git2-2-default - samba-3.0.21a-1.1.0 /var/log/messages: ------------------------------------------------------------- Jan 12 14:27:27 charlie automount[13471]: >> mount error 20 = Not a directory Jan 12 14:27:27 charlie automount[13471]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 12 14:27:27 charlie syslog-ng[3240]: Changing permissions on special file /dev/xconsole Jan 12 14:27:27 charlie syslog-ng[3240]: Changing permissions on special file /dev/tty10 Jan 12 14:27:27 charlie automount[13471]: mount(generic): failed to mount //lion/export (type cifs) on /mnt/samba/lion_export Jan 12 14:27:27 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:27 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:27 charlie automount[13477]: >> retrying with upper case share name Jan 12 14:27:27 charlie automount[13477]: >> mount error 6 = No such device or address Jan 12 14:27:27 charlie automount[13477]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 12 14:27:27 charlie automount[13477]: mount(generic): failed to mount //lion/export/_demo (type cifs) on /mnt/samba/lion_export/_demo Jan 12 14:27:28 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:28 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:28 charlie automount[13484]: >> retrying with upper case share name Jan 12 14:27:28 charlie automount[13484]: >> mount error 6 = No such device or address Jan 12 14:27:28 charlie automount[13484]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 12 14:27:28 charlie automount[13484]: mount(generic): failed to mount //lion/export/_demo/autoinstall (type cifs) on /mnt/samba/lion_export/_demo/autoinstall Jan 12 14:27:28 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:28 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:28 charlie automount[13490]: >> retrying with upper case share name Jan 12 14:27:28 charlie automount[13490]: >> mount error 6 = No such device or address Jan 12 14:27:28 charlie automount[13490]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 12 14:27:28 charlie automount[13490]: mount(generic): failed to mount //lion/export/_demo/autoinstall/v1.2 (type cifs) on /mnt/samba/lion_export/_demo/autoinstall/v1.2 Jan 12 14:27:28 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:28 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:28 charlie automount[13496]: >> retrying with upper case share name Jan 12 14:27:28 charlie automount[13496]: >> mount error 6 = No such device or address Jan 12 14:27:28 charlie automount[13496]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 12 14:27:28 charlie automount[13496]: mount(generic): failed to mount //lion/export/_demo/autoinstall/v1.2/gk-autoinstall-readme-1.2 (type cifs) on /mnt/samba/lion_export/_demo/autoinstall/v1.2/gk-autoinstall-readme-1.2 Jan 12 14:27:28 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:29 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:29 charlie automount[13502]: >> retrying with upper case share name Jan 12 14:27:29 charlie automount[13502]: >> mount error 6 = No such device or address Jan 12 14:27:29 charlie automount[13502]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 12 14:27:29 charlie automount[13502]: mount(generic): failed to mount //lion/export/_demo/autoinstall/v1.2/gk-autoinstall-readme-1.2 (type cifs) on /mnt/samba/lion_export/_demo/autoinstall/v1.2/gk-autoinstall-readme-1.2 Jan 12 14:27:29 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:29 charlie kernel: CIFS VFS: cifs_mount failed w/return code = -6 Jan 12 14:27:29 charlie automount[13508]: >> retrying with upper case share name Jan 12 14:27:29 charlie automount[13508]: >> mount error 6 = No such device or address Jan 12 14:27:29 charlie automount[13508]: >> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) Jan 12 14:27:29 charlie automount[13508]: mount(generic): failed to mount //lion/export/_demo/autoinstall/v1.2/gk-autoinstall-readme-1.2/.directory (type cifs) on /mnt/samba/lion_export/_demo/autoinstall/v1.2/gk-autoinstall-readme-1.2/.directory Jan 12 14:32:30 charlie kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Jan 12 14:32:30 charlie kernel: printing eip: Jan 12 14:32:30 charlie kernel: c013931f Jan 12 14:32:30 charlie kernel: *pde = 00000000 Jan 12 14:32:30 charlie kernel: Oops: 0002 [#1] Jan 12 14:32:30 charlie kernel: Modules linked in: cifs nls_cp850 nls_utf8 smbfs bluetooth ipt_pkttype ipt_LOG ipt_limit speedstep_lib freq_table autofs4 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device button battery ac af_packet edd ip6t_REJECT ipt_REJECT ipt_state iptable_mangle iptable_nat ip_nat iptable_filter ip6table_mangle ip_conntrack nfnetlink snd_intel8x0 snd_ac97_codec generic i8xx_tco ip_tables 8139too mii ehci_hcd i2c_i801 i2c_core snd_ac97_bus snd_pcm snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug intel_agp agpgart ip6table_filter ip6_tables uhci_hcd usbcore ipv6 parport_pc lp parport dm_mod ext3 jbd fan thermal ide_cd cdrom processor piix ide_disk ide_core Jan 12 14:32:30 charlie kernel: CPU: 0 Jan 12 14:32:30 charlie kernel: EIP: 0060:[<c013931f>] Tainted: G U VLI Jan 12 14:32:30 charlie kernel: EFLAGS: 00010002 (2.6.15-rc6-git2-2-default) Jan 12 14:32:30 charlie kernel: EIP is at free_block+0x4a/0xbf Jan 12 14:32:30 charlie kernel: eax: 00000000 ebx: f49197a0 ecx: c40f2000 edx: f6997240 Jan 12 14:32:30 charlie kernel: esi: dfffde40 edi: dfffff80 ebp: 00000000 esp: c18f1f18 Jan 12 14:32:30 charlie kernel: ds: 007b es: 007b ss: 0068 Jan 12 14:32:30 charlie kernel: Process events/0 (pid: 3, threadinfo=c18f0000 task=dfe48030) Jan 12 14:32:30 charlie kernel: Stack: 00000001 dfffca90 dfffca90 00000001 dfffca80 00000000 c0139835 00000000 Jan 12 14:32:30 charlie kernel: dfffff80 dfffde40 dfffff80 00000002 dfffffcc c0139898 00000000 c036e664 Jan 12 14:32:30 charlie kernel: dfe4a700 00000297 00000000 c0123510 c0139854 00000000 00000000 00000000 Jan 12 14:32:30 charlie kernel: Call Trace: Jan 12 14:32:30 charlie kernel: [<c0139835>] drain_array_locked+0x5a/0x79 Jan 12 14:32:30 charlie kernel: [<c0139898>] cache_reap+0x44/0x114 Jan 12 14:32:30 charlie kernel: [<c0123510>] worker_thread+0x154/0x1b0 Jan 12 14:32:30 charlie kernel: [<c0139854>] cache_reap+0x0/0x114 Jan 12 14:32:30 charlie kernel: [<c026dce8>] schedule+0x462/0x4c5 Jan 12 14:32:30 charlie kernel: [<c01154f0>] default_wake_function+0x0/0xc Jan 12 14:32:30 charlie kernel: [<c01233bc>] worker_thread+0x0/0x1b0 Jan 12 14:32:30 charlie kernel: [<c012614b>] kthread+0x63/0x8f Jan 12 14:32:30 charlie kernel: [<c01260e8>] kthread+0x0/0x8f Jan 12 14:32:30 charlie kernel: [<c0101279>] kernel_thread_helper+0x5/0xb Jan 12 14:32:30 charlie kernel: Code: c0 8b 0c a8 8d 81 00 00 00 40 c1 e8 0c c1 e0 05 8b 5c 10 1c 8b 44 24 1c 8b 13 8b 74 87 14 8b 43 04 89 42 04 c7 43 04 00 02 20 00 <89> 10 c7 03 00 01 10 00 2b 4b 0c 31 d2 89 c8 f7 77 10 89 c1 8b Jan 12 14:37:34 charlie kernel: Unable to handle kernel paging request at virtual address 00200200 Jan 12 14:37:34 charlie kernel: printing eip: Jan 12 14:37:34 charlie kernel: c013931f Jan 12 14:37:34 charlie kernel: *pde = 00000000 Jan 12 14:37:34 charlie kernel: Oops: 0002 [#2] Jan 12 14:37:34 charlie kernel: Modules linked in: cifs nls_cp850 nls_utf8 smbfs bluetooth ipt_pkttype ipt_LOG ipt_limit speedstep_lib freq_table autofs4 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device button battery ac af_packet edd ip6t_REJECT ipt_REJECT ipt_state iptable_mangle iptable_nat ip_nat iptable_filter ip6table_mangle ip_conntrack nfnetlink snd_intel8x0 snd_ac97_codec generic i8xx_tco ip_tables 8139too mii ehci_hcd i2c_i801 i2c_core snd_ac97_bus snd_pcm snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug intel_agp agpgart ip6table_filter ip6_tables uhci_hcd usbcore ipv6 parport_pc lp parport dm_mod ext3 jbd fan thermal ide_cd cdrom processor piix ide_disk ide_core Jan 12 14:37:34 charlie kernel: CPU: 0 Jan 12 14:37:34 charlie kernel: EIP: 0060:[<c013931f>] Tainted: G U VLI Jan 12 14:37:34 charlie kernel: EFLAGS: 00010002 (2.6.15-rc6-git2-2-default) Jan 12 14:37:34 charlie kernel: EIP is at free_block+0x4a/0xbf Jan 12 14:37:34 charlie kernel: eax: 00200200 ebx: f49197a0 ecx: c40f2000 edx: f6997240 Jan 12 14:37:34 charlie kernel: esi: dfffde40 edi: dfffff80 ebp: 00000001 esp: d9975e7c Jan 12 14:37:34 charlie kernel: ds: 007b es: 007b ss: 0068 Jan 12 14:37:34 charlie kernel: Process soffice.bin (pid: 13459, threadinfo=d9974000 task=d9f4e030) Jan 12 14:37:34 charlie kernel: Stack: 0000000c dfffca90 0000000c 00000000 dfffff80 dfffca80 c01393e8 00000000 Jan 12 14:37:34 charlie kernel: dfffca80 d712c000 00000202 00000001 c013950a f22e1680 d9f4e030 00000000 Jan 12 14:37:34 charlie kernel: c011622f d9974000 c0119ab9 00000000 d70bf2b4 d70bf2a4 d9975f0c c0119ca1 Jan 12 14:37:34 charlie kernel: Call Trace: Jan 12 14:37:34 charlie kernel: [<c01393e8>] cache_flusharray+0x54/0x6f
The problem occured in the kernel release 2.6.15 (SuSE build 4 for the upcoming distribution release 10.1), too. I will not post the log here since it blows up this thread here and it is very similar to the previous ones (cifs automounter log entries and null pointer dereference crash).
Tainted kernel.