** Description changed: DMESG Output: [29864.180022] BUG: unable to handle kernel NULL pointer dereference at 0000000000000098 [29864.180599] IP: [<ffffffffc05818b0>] xfs_da3_node_read+0x30/0xd0 [xfs] [29864.181004] PGD 1dec6cc067 PUD 1dedd37067 PMD 0 [29864.181298] Oops: 0000 [#1] SMP [29864.181495] Modules linked in: xfs libcrc32c dm_crypt ses enclosure ipmi_devintf x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev sb_edac edac_core ipmi_si ipmi_msghandler mei_me ioatdma mei wmi lpc_ich mac_hid bonding 8021q garp stp mrp llc lp parport btrfs xor raid6_pq hid_generic ixgbe igb isci mpt2sas i2c_algo_bit usbhid dca ahci mdio ptp hid libsas raid_class libahci pps_core scsi_transport_sas [29864.184685] CPU: 23 PID: 102617 Comm: ceph-osd Not tainted 3.16.0-38-generic #52~14.04.1-Ubuntu [29864.185183] Hardware name: Supermicro X9DRi-LN4+/X9DR3-LN4+/X9DRi-LN4+/X9DR3-LN4+, BIOS 3.0b 05/27/2014 [29864.185733] task: ffff883d993c9460 ti: ffff883bd319c000 task.ti: ffff883bd319c000 [29864.186168] RIP: 0010:[<ffffffffc05818b0>] [<ffffffffc05818b0>] xfs_da3_node_read+0x30/0xd0 [xfs] [29864.186731] RSP: 0018:ffff883bd319fcf0 EFLAGS: 00010286 [29864.187039] RAX: 0000000000000000 RBX: ffff88359d81d960 RCX: 0000000000000001 [29864.187444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff883bd319fca8 [29864.187841] RBP: ffff883bd319fd10 R08: 0000000000000001 R09: ffff883bd319fb90 [29864.188236] R10: ffff883bd319fc20 R11: 0000000000000001 R12: ffff883bd319fd40 [29864.188631] R13: 0000000000000002 R14: 0000000000000002 R15: 0000000056a70dc7 [29864.189046] FS: 00007f5cde432700(0000) GS:ffff88407fd60000(0000) knlGS:0000000000000000 [29864.209387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [29864.219894] CR2: 0000000000000098 CR3: 0000001eedf12000 CR4: 00000000001407e0 [29864.230351] Stack: [29864.240409] ffffffffc05c22b0 ffff883bd319fdc0 ffff883bd319fdc0 ffff8826033ff400 [29864.261066] ffff883bd319fd80 ffffffffc0544e7b 0000000200000008 ffff883d5579e010 [29864.282345] 000000013b75ec00 ffff8835c9534900 0000000000000000 0000000000000000 [29864.303671] Call Trace: [29864.313888] [<ffffffffc0544e7b>] xfs_attr3_node_inactive+0x19b/0x220 [xfs] [29864.324268] [<ffffffffc0544f96>] xfs_attr3_root_inactive+0x96/0x100 [xfs] [29864.334448] [<ffffffffc05450b2>] xfs_attr_inactive+0xb2/0x150 [xfs] [29864.344719] [<ffffffffc059628a>] xfs_inactive+0x8a/0x160 [xfs] [29864.354423] [<ffffffffc055e3de>] xfs_fs_evict_inode+0x7e/0xc0 [xfs] [29864.364804] [<ffffffff811ef204>] evict+0xb4/0x180 [29864.374653] [<ffffffff811ef9e5>] iput+0xf5/0x180 [29864.383760] [<ffffffff811e4413>] do_unlinkat+0x193/0x2c0 [29864.394371] [<ffffffff811d961f>] ? SYSC_newstat+0x2f/0x40 [29864.404994] [<ffffffff811e5496>] SyS_unlink+0x16/0x20 [29864.415451] [<ffffffff8176da4d>] system_call_fastpath+0x1a/0x1f [29864.425331] Code: 55 48 89 e5 41 54 4d 89 c4 53 48 89 fb 48 83 ec 10 48 c7 04 24 b0 22 5c c0 e8 ed fe ff ff 85 c0 75 49 48 85 db 74 44 49 8b 34 24 <48> 8b 96 98 00 00 00 0f b7 52 08 66 c1 c2 08 66 81 fa be 3e 74 [29864.456197] RIP [<ffffffffc05818b0>] xfs_da3_node_read+0x30/0xd0 [xfs] [29864.466910] RSP <ffff883bd319fcf0> [29864.477302] CR2: 0000000000000098 [29864.502776] ---[ end trace 35d91394b621d272 ]--- - Uname -a: - Linux str-slc-02-03 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 + Linux <hostname> 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux lsb_release -rd: Description: Ubuntu 14.04.1 LTS Release: 14.04 - - This is occurring on multiple storage servers running Ceph, resulting in a system reboot and fsck for the filesystem. Has been occurring multiple times a day now. + This is occurring on multiple storage servers running Ceph, resulting in + a system reboot and fsck for the filesystem. Has been occurring multiple + times a day now.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xfs in Ubuntu. https://bugs.launchpad.net/bugs/1464308 Title: BUG: unable to handle kernel NULL pointer dereference at 0000000000000098 RIP: 0010:[<ffffffffc05818b0>] [<ffffffffc05818b0>] xfs_da3_node_read+0x30/0xd0 [xfs] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfs/+bug/1464308/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp