Package: ocfs2-tools Version: 1.4.4-3 Severity: normal Hi there,
Not sure if this is the correct package to report it against, but we've been seeing a lot of these messages lately: Mar 6 22:31:50 wp1 kernel: [382123.062506] BUG: unable to handle kernel NULL pointer dereference at 0000000000000002 Mar 6 22:31:50 wp1 kernel: [382123.063396] IP: [<ffffffff810e7c50>] __kmalloc+0xd2/0x141 Mar 6 22:31:50 wp1 kernel: [382123.063833] PGD 0 Mar 6 22:31:50 wp1 kernel: [382123.064281] Oops: 0000 [#6] SMP Mar 6 22:31:50 wp1 kernel: [382123.064516] last sysfs file: /sys/module/drbd/parameters/cn_idx Mar 6 22:31:50 wp1 kernel: [382123.064516] CPU 1 Mar 6 22:31:50 wp1 kernel: [382123.064516] Modules linked in: ocfs2 jbd2 quota_tree drbd lru_cache cn ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables loop i2c_piix4 snd_pcm i2c_core snd_timer snd soundcore evdev button snd_page_alloc psmouse pcspkr serio_raw processor virtio_balloon ext3 jbd mbcache dm_mod ata_generic uhci_hcd ehci_hcd ata_piix libata usbcore virtio_blk floppy virtio_net nls_base scsi_mod virtio_pci virtio_ring virtio thermal thermal_sys [last unloaded: scsi_wait_scan] Mar 6 22:31:50 wp1 kernel: [382123.064516] Pid: 11487, comm: sshd Tainted: G D 2.6.32-5-amd64 #1 Bochs Mar 6 22:31:50 wp1 kernel: [382123.064516] RIP: 0010:[<ffffffff810e7c50>] [<ffffffff810e7c50>] __kmalloc+0xd2/0x141 Mar 6 22:31:50 wp1 kernel: [382123.064516] RSP: 0018:ffff88021dd2fd88 EFLAGS: 00010002 Mar 6 22:31:50 wp1 kernel: [382123.064516] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000010 Mar 6 22:31:50 wp1 kernel: [382123.064516] RDX: ffff880008c92070 RSI: 0000000000008020 RDI: ffffffff81269a88 Mar 6 22:31:50 wp1 kernel: [382123.064516] RBP: 0000000000000046 R08: 0000000074f4f75f R09: 00007f7636f24d31 Mar 6 22:31:50 wp1 kernel: [382123.064516] R10: 0000000000000000 R11: ffffffff81152d1d R12: ffffffff81455200 Mar 6 22:31:50 wp1 kernel: [382123.064516] R13: 0000000000008020 R14: 0000000000008020 R15: 0000000000000010 Mar 6 22:31:50 wp1 kernel: [382123.064516] FS: 00007f7636eb77c0(0000) GS:ffff880008c80000(0000) knlGS:0000000000000000 Mar 6 22:31:50 wp1 kernel: [382123.064516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 6 22:31:50 wp1 kernel: [382123.064516] CR2: 0000000000000002 CR3: 000000021b78f000 CR4: 00000000000006e0 Mar 6 22:31:50 wp1 kernel: [382123.064516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 6 22:31:50 wp1 kernel: [382123.064516] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Mar 6 22:31:50 wp1 kernel: [382123.064516] Process sshd (pid: 11487, threadinfo ffff88021dd2e000, task ffff88021cf1cdb0) Mar 6 22:31:50 wp1 kernel: [382123.064516] Stack: Mar 6 22:31:50 wp1 kernel: [382123.064516] ffff88021eef9098 ffffffff81269a88 000000101e1bb7a0 0000000000000001 Mar 6 22:31:50 wp1 kernel: [382123.064516] <0> ffff88021fc0b000 0000000000000001 0000000000000001 0000000000000010 Mar 6 22:31:50 wp1 kernel: [382123.064516] <0> 0000000000002cdf ffffffff81269a88 0000000000000000 0000000000000000 Mar 6 22:31:50 wp1 kernel: [382123.064516] Call Trace: Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff81269a88>] ? nl_pid_hash_rehash+0x49/0xf1 Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff81269a88>] ? nl_pid_hash_rehash+0x49/0xf1 Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff8126a513>] ? netlink_insert+0xbc/0x123 Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff8126a619>] ? netlink_autobind+0x9f/0xbc Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff8126ab94>] ? netlink_bind+0x82/0x179 Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff812419c7>] ? sys_bind+0x7a/0xb9 Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff812fe0b6>] ? do_page_fault+0x2e0/0x2fc Mar 6 22:31:50 wp1 kernel: [382123.064516] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b Mar 6 22:31:50 wp1 kernel: [382123.064516] Code: fa 66 0f 1f 44 00 00 65 8b 04 25 a8 e3 00 00 48 98 49 8b 94 c4 f0 02 00 00 8b 4a 18 89 4c 24 14 48 8b 1a 48 85 db 74 0c 8b 42 14 <48> 8b 04 c3 48 89 02 eb 19 48 8b 4c 24 08 49 89 d0 44 89 ee 83 Mar 6 22:31:50 wp1 kernel: [382123.064516] RIP [<ffffffff810e7c50>] __kmalloc+0xd2/0x141 Mar 6 22:31:50 wp1 kernel: [382123.064516] RSP <ffff88021dd2fd88> Mar 6 22:31:50 wp1 kernel: [382123.064516] CR2: 0000000000000002 Mar 6 22:31:50 wp1 kernel: [382123.064516] ---[ end trace cc6f13eaca45c0e5 ]--- About 10 minutes later, the machine become unresponsive. We're running a Debian Squeeze guest within KVM, with a drbd to another Debian Squeeze machine. The drbd is setup in primary-primary mode. It doesn't happen very often, about once every two weeks, which makes it hard to troubleshoot. Do let me know if you need any more information! -- Kind regards, Tim Stoop -- System Information: Debian Release: 6.0 APT prefers squeeze-updates APT policy: (500, 'squeeze-updates'), (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages ocfs2-tools depends on: ii debconf [debconf-2.0] 1.5.36.1 Debian configuration management sy ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib ii libcomerr2 1.41.12-2 common error description library ii libglib2.0-0 2.24.2-1 The GLib library of C routines ii libncurses5 5.7+20100313-5 shared libraries for terminal hand ii libreadline6 6.1-3 GNU readline and history libraries ii libuuid1 2.17.2-9 Universally Unique ID library ii psmisc 22.11-1 utilities that use the proc file s ocfs2-tools recommends no packages. Versions of packages ocfs2-tools suggests: pn ocfs2-tools-cman <none> (no description available) pn ocfs2-tools-pacemaker <none> (no description available) ii ocfs2console 1.4.4-3 tools for managing OCFS2 cluster f -- debconf information: ocfs2-tools/heartbeat_threshold: 31 ocfs2-tools/reconnect_delay: 2000 ocfs2-tools/init: true ocfs2-tools/keepalive_delay: 2000 ocfs2-tools/clustername: www ocfs2-tools/idle_timeout: 30000 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org