Confirming that the issue is still present on Karmic Koala, kernel 2.6.31-16-generic on x86_64:
2.6.31-16-generic #53-Ubuntu SMP Tue Dec 8 04:02:15 UTC 2009 x86_64 GNU/Linux Here's the stacktrace from kernel log: Dec 30 00:36:34 hostname kernel: [30876.834949] ieee1394: The root node is not cycle master capable; selecting a new root node and resetting... Dec 30 00:36:34 hostname kernel: [30877.157429] ieee1394: Node added: ID:BUS[0-00:1023] GUID[0020370007100ce3] Dec 30 00:36:34 hostname kernel: [30877.157499] ieee1394: Node changed: 0-00:1023 -> 0-01:1023 Dec 30 00:36:34 hostname kernel: [30877.256663] scsi7 : SBP-2 IEEE-1394 Dec 30 00:36:35 hostname kernel: [30878.278484] ieee1394: sbp2: Logged into SBP-2 device Dec 30 00:36:35 hostname kernel: [30878.279623] ieee1394: sbp2: Node 0-00:1023: Max speed [S400] - Max payload [2048] Dec 30 00:36:56 hostname kernel: [30898.982532] ieee1394: sbp2: aborting sbp2 command Dec 30 00:36:56 hostname kernel: [30898.982541] scsi 7:0:0:0: CDB: Inquiry: 12 00 00 00 24 00 Dec 30 00:36:56 hostname kernel: [30898.982760] ieee1394: sbp2: hpsb_node_write failed. Dec 30 00:36:56 hostname kernel: [30898.982762] Dec 30 00:37:06 hostname kernel: [30908.982529] ieee1394: sbp2: aborting sbp2 command Dec 30 00:37:06 hostname kernel: [30908.982540] scsi 7:0:0:0: CDB: Test Unit Ready: 00 00 00 00 00 00 Dec 30 00:37:06 hostname kernel: [30908.982891] ieee1394: sbp2: hpsb_node_write failed. Dec 30 00:37:06 hostname kernel: [30908.982894] Dec 30 00:37:06 hostname kernel: [30908.982903] ieee1394: sbp2: reset requested Dec 30 00:37:06 hostname kernel: [30908.982906] ieee1394: sbp2: generating sbp2 fetch agent reset Dec 30 00:37:06 hostname kernel: [30908.983123] ieee1394: sbp2: hpsb_node_write failed. Dec 30 00:37:06 hostname kernel: [30908.983125] Dec 30 00:37:08 hostname kernel: [30910.554746] usb 2-3: USB disconnect, address 2 Dec 30 00:37:16 hostname kernel: [30918.982527] ieee1394: sbp2: aborting sbp2 command Dec 30 00:37:16 hostname kernel: [30918.982536] scsi 7:0:0:0: CDB: Test Unit Ready: 00 00 00 00 00 00 Dec 30 00:37:16 hostname kernel: [30918.982861] ieee1394: sbp2: hpsb_node_write failed. Dec 30 00:37:16 hostname kernel: [30918.982863] Dec 30 00:37:16 hostname kernel: [30918.982874] scsi 7:0:0:0: Device offlined - not ready after error recovery Dec 30 00:37:16 hostname kernel: [30918.982924] ieee1394: sbp2: scsi_add_device failed Dec 30 00:37:16 hostname kernel: [30918.985642] ieee1394: sbp2: Logged out of SBP-2 device Dec 30 00:37:16 hostname kernel: [30918.988326] BUG: unable to handle kernel NULL pointer dereference at 0000000000000050 Dec 30 00:37:16 hostname kernel: [30918.988338] IP: [<ffffffffa08a6b2e>] sbp2_reconnect_device+0xe/0x170 [sbp2] Dec 30 00:37:16 hostname kernel: [30918.988352] PGD 0 Dec 30 00:37:16 hostname kernel: [30918.988356] Oops: 0000 [#1] SMP Dec 30 00:37:16 hostname kernel: [30918.988361] last sysfs file: /sys/devices/pci0000:00/0000:00:13.2/usb2/2-3/speed Dec 30 00:37:16 hostname kernel: [30918.988366] CPU 2 Dec 30 00:37:16 hostname kernel: [30918.988369] Modules linked in: sbp2 nls_iso8859_1 nls_cp437 vfat fat usb_storage wlan_ccmp isofs udf crc_itu_t usblp act_police sch_ingress cls_u32 sch_sfq sch_htb xt_tcpudp xt_multiport ipt_LOG ipt_MASQUERADE xt_state ebt_snat ebtable_nat ebtables ebt_dnat nf_nat_h323 nf_nat_proto_dccp nf_nat_irc nf_nat_snmp_basic nf_nat_proto_udplite nf_nat_ftp nf_nat_pptp nf_nat_tftp iptable_nat nf_nat_proto_sctp crc32c libcrc32c nf_nat_sip nf_nat_proto_gre nf_nat_amanda nf_nat act_nat ts_kmp nf_conntrack_amanda nf_conntrack_netbios_ns nf_conntrack_sip nf_conntrack_proto_dccp nf_conntrack_proto_udplite nf_conntrack_proto_sctp nf_conntrack_sane nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nfnetlink xt_conntrack nf_conntrack_h323 nf_conntrack_irc nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack_ipv6 nf_conntrack binfmt_misc vboxnetflt vboxnetadp vboxdrv kvm_amd kvm wlan_tkip wlan_xauth dm_crypt nfsd exportfs nfs lockd nfs_acl snd_hda_codec_atihdm Dec 30 00:37:16 hostname kernel: i snd_hda_codec_realtek wlan_scan_ap ath_rate_sample amd64_edac_mod snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss iptable_filter it87 hwmon_vid rpcsec_gss_krb5 auth_rpcgss snd_seq_midi ip_tables snd_rawmidi x_tables ppdev snd_seq_midi_event parport_pc snd_seq snd_timer snd_seq_device ath_pci wlan ath_hal(P) i2c_piix4 snd edac_core soundcore snd_page_alloc sunrpc shpchp lp parport r8169 mii floppy radeon usbhid ttm drm i2c_algo_bit ohci1394 ieee1394 Dec 30 00:37:16 hostname kernel: [30918.988508] Pid: 360, comm: knodemgrd_0 Tainted: P 2.6.31-16-generic #53-Ubuntu GA-MA74GM-S2H Dec 30 00:37:16 hostname kernel: [30918.988513] RIP: 0010:[<ffffffffa08a6b2e>] [<ffffffffa08a6b2e>] sbp2_reconnect_device+0xe/0x170 [sbp2] Dec 30 00:37:16 hostname kernel: [30918.988525] RSP: 0018:ffff88011f8a3cf0 EFLAGS: 00010286 Dec 30 00:37:16 hostname kernel: [30918.988529] RAX: 0000000000000286 RBX: 0000000000000000 RCX: ffff880120f396b0 Dec 30 00:37:16 hostname kernel: [30918.988533] RDX: 0000000000000001 RSI: 0000000000000286 RDI: 0000000000000000 Dec 30 00:37:16 hostname kernel: [30918.988537] RBP: ffff88011f8a3d10 R08: ffff88011f8a2000 R09: 0000000000000000 Dec 30 00:37:16 hostname kernel: [30918.988541] R10: 0000000000000001 R11: 00000000ffffffff R12: ffffffffa08ab558 Dec 30 00:37:16 hostname kernel: [30918.988544] R13: ffff880096ced8a8 R14: ffff880096ced440 R15: 0000000000000004 Dec 30 00:37:16 hostname kernel: [30918.988549] FS: 00007f4f71df2790(0000) GS:ffff88002805e000(0000) knlGS:00000000f6a54750 Dec 30 00:37:16 hostname kernel: [30918.988553] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b Dec 30 00:37:16 hostname kernel: [30918.988557] CR2: 0000000000000050 CR3: 000000011bdef000 CR4: 00000000000006e0 Dec 30 00:37:16 hostname kernel: [30918.988561] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Dec 30 00:37:16 hostname kernel: [30918.988565] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Dec 30 00:37:16 hostname kernel: [30918.988569] Process knodemgrd_0 (pid: 360, threadinfo ffff88011f8a2000, task ffff880120da2d60) Dec 30 00:37:16 hostname kernel: [30918.988573] Stack: Dec 30 00:37:16 hostname kernel: [30918.988575] 0000000000000286 ffff880096ced8a8 0000000000000000 ffffffffa08ab558 Dec 30 00:37:16 hostname kernel: [30918.988581] <0> ffff88011f8a3d30 ffffffffa08a6ee8 ffff88011f8a3d30 ffff880096ced800 Dec 30 00:37:16 hostname kernel: [30918.988587] <0> ffff88011f8a3d60 ffffffffa0006bfa ffff88011f8a3d80 ffff880096ced400 Dec 30 00:37:16 hostname kernel: [30918.988595] Call Trace: Dec 30 00:37:16 hostname kernel: [30918.988604] [<ffffffffa08a6ee8>] sbp2_update+0x18/0xf0 [sbp2] Dec 30 00:37:16 hostname kernel: [30918.988628] [<ffffffffa0006bfa>] update_pdrv+0x7a/0xb0 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988647] [<ffffffffa0006b80>] ? update_pdrv+0x0/0xb0 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988656] [<ffffffff81321e76>] class_for_each_device+0x56/0xa0 Dec 30 00:37:16 hostname kernel: [30918.988676] [<ffffffffa00004c8>] ? hpsb_free_packet+0x28/0x30 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988696] [<ffffffffa0007dcc>] nodemgr_probe_ne+0xfc/0x180 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988714] [<ffffffffa0007e50>] ? node_probe+0x0/0x50 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988732] [<ffffffffa0007e91>] node_probe+0x41/0x50 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988738] [<ffffffff81321e76>] class_for_each_device+0x56/0xa0 Dec 30 00:37:16 hostname kernel: [30918.988756] [<ffffffffa0007575>] nodemgr_host_thread+0x215/0x310 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988777] [<ffffffffa0007360>] ? nodemgr_host_thread+0x0/0x310 [ieee1394] Dec 30 00:37:16 hostname kernel: [30918.988786] [<ffffffff81078746>] kthread+0xa6/0xb0 Dec 30 00:37:16 hostname kernel: [30918.988792] [<ffffffff810130ea>] child_rip+0xa/0x20 Dec 30 00:37:16 hostname kernel: [30918.988797] [<ffffffff810786a0>] ? kthread+0x0/0xb0 Dec 30 00:37:16 hostname kernel: [30918.988802] [<ffffffff810130e0>] ? child_rip+0x0/0x20 Dec 30 00:37:16 hostname kernel: [30918.988805] Code: ff eb db 48 c7 c7 58 90 8a a0 31 c0 e8 6d 06 c8 e0 eb cb 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 54 53 48 89 fb 48 83 ec 10 <48> 8b 47 50 48 8b b7 e0 00 00 00 c7 00 00 00 00 00 48 8b 47 50 Dec 30 00:37:16 hostname kernel: [30918.988851] RIP [<ffffffffa08a6b2e>] sbp2_reconnect_device+0xe/0x170 [sbp2] Dec 30 00:37:16 hostname kernel: [30918.988859] RSP <ffff88011f8a3cf0> Dec 30 00:37:16 hostname kernel: [30918.988861] CR2: 0000000000000050 Dec 30 00:37:16 hostname kernel: [30918.988866] ---[ end trace a4bcf7b49d664042 ]--- -- "unable to handle kernel NULL pointer dereference" Oops in sbp2_reconnect_device when connecting seagate FreeAgent through FireWire/ieee1394 (sbp2) https://bugs.launchpad.net/bugs/407512 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
