Package: linux-image-amd64 Version: linux-image-3.16.0-8-amd64 Severity: important
Dear Maintainer, here we go again, i hope this time we get a bug nummer for this report :) after upgrading to the latest linux-image-adm64 on jessie we're experiencing several issues which led us to downgrade to linux-image-3.16.0-7-amd64 again and deinstall linux-image-3.16.0-8-amd64. It's happened until now on a COROSYNC/DRBD Cluster where standby node has been upgraded and after the upgrade the system froze, see [1]. On another MySQL-Slave where we applied this kernel - the system - after running some time rebooted due to a kernel panic. I wasn't fast enough to catch the kernel panic on the screen as VMware HA-features instantly rebooted the system. Both systems run in a VMware HA-Cluster on different ESXi runhosts. So for me, linux-image-3.16.0-8-amd64 smells fishy and i was wondering if there are other users which have problems? Cheers, Werner [1] Mar 28 13:35:38 nfs02 kernel: [ 191.925130] block drbd0: helper command: /sbin/drbdadm after-resync-target minor-0 Mar 28 13:35:38 nfs02 kernel: [ 191.927389] block drbd0: helper command: /sbin/drbdadm after-resync-target minor-0 exit code 0 (0x0) Mar 28 13:35:40 nfs02 kernel: [ 194.306334] drbd r0: Wrong magic value 0x00000000 in protocol version 101 Mar 28 13:35:40 nfs02 kernel: [ 194.306407] drbd r0: peer( Primary -> Unknown ) conn( Connected -> ProtocolError ) pdsk( UpToDate -> DUnknown ) Mar 28 13:35:40 nfs02 kernel: [ 194.306432] drbd r0: asender terminated Mar 28 13:35:40 nfs02 kernel: [ 194.306436] drbd r0: Terminating drbd_a_r0 Mar 28 13:35:40 nfs02 kernel: [ 194.306828] drbd r0: Connection closed Mar 28 13:35:40 nfs02 kernel: [ 194.306845] drbd r0: conn( ProtocolError -> Unconnected ) Mar 28 13:35:40 nfs02 kernel: [ 194.306847] drbd r0: receiver terminated Mar 28 13:35:40 nfs02 kernel: [ 194.306848] drbd r0: Restarting receiver thread Mar 28 13:35:40 nfs02 kernel: [ 194.306850] drbd r0: receiver (re)started Mar 28 13:35:40 nfs02 kernel: [ 194.306860] drbd r0: conn( Unconnected -> WFConnection ) Mar 28 13:35:41 nfs02 kernel: [ 194.805238] drbd r0: Handshake successful: Agreed network protocol version 101 Mar 28 13:35:41 nfs02 kernel: [ 194.805243] drbd r0: Agreed to support TRIM on protocol level Mar 28 13:35:41 nfs02 kernel: [ 194.805274] drbd r0: conn( WFConnection -> WFReportParams ) Mar 28 13:35:41 nfs02 kernel: [ 194.805277] drbd r0: Starting asender thread (from drbd_r_r0 [1367]) Mar 28 13:35:41 nfs02 kernel: [ 194.869215] block drbd0: drbd_sync_handshake: Mar 28 13:35:41 nfs02 kernel: [ 194.869221] block drbd0: self E2641EEB9E133204:0000000000000000:0DD839919AA45372:0DD739919AA45373 bits:0 flags:0 Mar 28 13:35:41 nfs02 kernel: [ 194.869225] block drbd0: peer 14F96DC2D3D2E20D:E2641EEB9E133205:0DD839919AA45373:0DD739919AA45373 bits:23 flags:0 Mar 28 13:35:41 nfs02 kernel: [ 194.869228] block drbd0: uuid_compare()=-1 by rule 50 Mar 28 13:35:41 nfs02 kernel: [ 194.869236] block drbd0: peer( Unknown -> Primary ) conn( WFReportParams -> WFBitMapT ) disk( UpToDate -> Outdated ) pdsk( DUnknown -> UpToDate ) Mar 28 13:35:41 nfs02 kernel: [ 194.876039] block drbd0: receive bitmap stats [Bytes(packets)]: plain 0(0), RLE 39(1), total 39; compression: 100.0% Mar 28 13:35:41 nfs02 kernel: [ 194.882431] block drbd0: send bitmap stats [Bytes(packets)]: plain 0(0), RLE 39(1), total 39; compression: 100.0% Mar 28 13:35:41 nfs02 kernel: [ 194.882445] block drbd0: conn( WFBitMapT -> WFSyncUUID ) Mar 28 13:35:41 nfs02 kernel: [ 194.887016] block drbd0: updated sync uuid E2651EEB9E133204:0000000000000000:0DD839919AA45372:0DD739919AA45373 Mar 28 13:35:41 nfs02 kernel: [ 194.887489] block drbd0: helper command: /sbin/drbdadm before-resync-target minor-0 Mar 28 13:35:41 nfs02 kernel: [ 194.889641] block drbd0: helper command: /sbin/drbdadm before-resync-target minor-0 exit code 0 (0x0) Mar 28 13:35:41 nfs02 kernel: [ 194.889656] block drbd0: conn( WFSyncUUID -> SyncTarget ) disk( Outdated -> Inconsistent ) Mar 28 13:35:41 nfs02 kernel: [ 194.889666] block drbd0: Began resync as SyncTarget (will sync 92 KB [23 bits set]). Mar 28 13:35:41 nfs02 kernel: [ 194.900324] drbd r0: Wrong magic value 0x84a1785a in protocol version 101 Mar 28 13:35:41 nfs02 kernel: [ 194.900381] drbd r0: peer( Primary -> Unknown ) conn( SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown ) Mar 28 13:35:41 nfs02 kernel: [ 194.900392] drbd r0: asender terminated Mar 28 13:35:41 nfs02 kernel: [ 194.900394] drbd r0: Terminating drbd_a_r0 Mar 28 13:35:41 nfs02 kernel: [ 194.911438] drbd r0: Connection closed Mar 28 13:35:41 nfs02 kernel: [ 194.911456] drbd r0: conn( ProtocolError -> Unconnected ) Mar 28 13:35:41 nfs02 kernel: [ 194.911458] drbd r0: receiver terminated Mar 28 13:35:41 nfs02 kernel: [ 194.911460] drbd r0: Restarting receiver thread Mar 28 13:35:41 nfs02 kernel: [ 194.911461] drbd r0: receiver (re)started Mar 28 13:35:41 nfs02 kernel: [ 194.911471] drbd r0: conn( Unconnected -> WFConnection ) Mar 28 13:35:41 nfs02 kernel: [ 195.409791] drbd r0: Handshake successful: Agreed network protocol version 101 Mar 28 13:35:41 nfs02 kernel: [ 195.409796] drbd r0: Agreed to support TRIM on protocol level Mar 28 13:35:41 nfs02 kernel: [ 195.409849] drbd r0: conn( WFConnection -> WFReportParams ) Mar 28 13:35:41 nfs02 kernel: [ 195.409852] drbd r0: Starting asender thread (from drbd_r_r0 [1367]) Mar 28 13:35:41 nfs02 kernel: [ 195.429466] block drbd0: drbd_sync_handshake: Mar 28 13:35:41 nfs02 kernel: [ 195.429473] block drbd0: self E2651EEB9E133204:0000000000000000:0DD839919AA45372:0DD739919AA45373 bits:21 flags:0 Mar 28 13:35:41 nfs02 kernel: [ 195.429477] block drbd0: peer 14F96DC2D3D2E20D:E2651EEB9E133205:E2641EEB9E133205:0DD839919AA45373 bits:23 flags:0 Mar 28 13:35:41 nfs02 kernel: [ 195.429480] block drbd0: uuid_compare()=-1 by rule 50 Mar 28 13:35:41 nfs02 kernel: [ 195.429482] block drbd0: Becoming sync target due to disk states. Mar 28 13:35:41 nfs02 kernel: [ 195.429489] block drbd0: peer( Unknown -> Primary ) conn( WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate ) Mar 28 13:35:41 nfs02 kernel: [ 195.452578] block drbd0: receive bitmap stats [Bytes(packets)]: plain 0(0), RLE 39(1), total 39; compression: 100.0% Mar 28 13:35:41 nfs02 kernel: [ 195.459661] block drbd0: send bitmap stats [Bytes(packets)]: plain 0(0), RLE 39(1), total 39; compression: 100.0% Mar 28 13:35:41 nfs02 kernel: [ 195.459677] block drbd0: conn( WFBitMapT -> WFSyncUUID ) Mar 28 13:35:41 nfs02 kernel: [ 195.465210] block drbd0: updated sync uuid E2661EEB9E133204:0000000000000000:0DD839919AA45372:0DD739919AA45373 Mar 28 13:35:41 nfs02 kernel: [ 195.465663] block drbd0: helper command: /sbin/drbdadm before-resync-target minor-0 Mar 28 13:35:41 nfs02 kernel: [ 195.467430] block drbd0: helper command: /sbin/drbdadm before-resync-target minor-0 exit code 0 (0x0) Mar 28 13:35:41 nfs02 kernel: [ 195.467451] block drbd0: conn( WFSyncUUID -> SyncTarget ) Mar 28 13:35:41 nfs02 kernel: [ 195.467464] block drbd0: Began resync as SyncTarget (will sync 92 KB [23 bits set]). Mar 28 13:35:41 nfs02 kernel: [ 195.486698] block drbd0: Resync done (total 1 sec; paused 0 sec; 92 K/sec) Mar 28 13:35:41 nfs02 kernel: [ 195.486705] block drbd0: updated UUIDs 14F96DC2D3D2E20C:0000000000000000:E2661EEB9E133204:E2651EEB9E133205 Mar 28 13:35:41 nfs02 kernel: [ 195.486712] block drbd0: conn( SyncTarget -> Connected ) disk( Inconsistent -> UpToDate ) Mar 28 13:35:41 nfs02 kernel: [ 195.486980] block drbd0: helper command: /sbin/drbdadm after-resync-target minor-0 Mar 28 13:35:41 nfs02 kernel: [ 195.488776] block drbd0: helper command: /sbin/drbdadm after-resync-target minor-0 exit code 0 (0x0) Mar 28 13:35:44 nfs02 kernel: [ 197.913875] BUG: unable to handle kernel NULL pointer dereference at (null) Mar 28 13:35:44 nfs02 kernel: [ 197.913929] IP: [<ffffffff81157935>] put_page+0x5/0x30 Mar 28 13:35:44 nfs02 kernel: [ 197.913961] PGD 0 Mar 28 13:35:44 nfs02 kernel: [ 197.913975] Oops: 0000 [#1] SMP Mar 28 13:35:44 nfs02 kernel: [ 197.913997] Modules linked in: binfmt_misc vmw_vsock_vmci_transport vsock crc32_pclmul aesni_intel vmw_balloon ppdev evdev aes_x86_64 lrw serio_raw pcspkr gf128mul glue_helper ablk_helper cryptd vmwgfx processor thermal_sys parport_pc parport shpchp ttm drm_kms_helper battery vmw_vmci drm ac button drbd lru_cache libcrc32c crc32c_generic autofs4 ext4 crc16 mbcache jbd2 dm_mod sr_mod cdrom sg ata_generic sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel psmouse floppy ata_piix libata vmxnet3 vmw_pvscsi i2c_piix4 i2c_core scsi_mod Mar 28 13:35:44 nfs02 kernel: [ 197.914358] CPU: 0 PID: 1367 Comm: drbd_r_r0 Not tainted 3.16.0-8-amd64 #1 Debian 3.16.64-1 Mar 28 13:35:44 nfs02 kernel: [ 197.914401] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/21/2015 Mar 28 13:35:44 nfs02 kernel: [ 197.914456] task: ffff88032f5fc970 ti: ffff88032509c000 task.ti: ffff88032509c000 Mar 28 13:35:44 nfs02 kernel: [ 197.914491] RIP: 0010:[<ffffffff81157935>] [<ffffffff81157935>] put_page+0x5/0x30 Mar 28 13:35:44 nfs02 kernel: [ 197.914530] RSP: 0018:ffff88032509fa88 EFLAGS: 00010216 Mar 28 13:35:44 nfs02 kernel: [ 197.914590] RAX: ffff88032ccb6040 RBX: ffff88032f55c100 RCX: ffffffff818cee40 Mar 28 13:35:44 nfs02 kernel: [ 197.914624] RDX: 0000000000000030 RSI: ffff88032ccb602a RDI: 0000000000000000 Mar 28 13:35:44 nfs02 kernel: [ 197.914657] RBP: 0000000000000001 R08: 00000000000005a8 R09: 0000000000004100 Mar 28 13:35:44 nfs02 kernel: [ 197.914690] R10: ffff88032f55c100 R11: 0000000000000000 R12: ffff8803319f91c0 Mar 28 13:35:44 nfs02 kernel: [ 197.914723] R13: 0000000000000000 R14: ffff8803319f9250 R15: ffff8803319f969c Mar 28 13:35:44 nfs02 kernel: [ 197.914758] FS: 00007fe290745780(0000) GS:ffff88033fc00000(0000) knlGS:0000000000000000 Mar 28 13:35:44 nfs02 kernel: [ 197.914794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 28 13:35:44 nfs02 kernel: [ 197.914822] CR2: 0000000000000000 CR3: 0000000036eee000 CR4: 00000000000407f0 Mar 28 13:35:44 nfs02 kernel: [ 197.914921] Stack: Mar 28 13:35:44 nfs02 kernel: [ 197.914935] ffffffff814341c7 ffff88032f55c100 0000000000000580 ffff8803319f91c0 Mar 28 13:35:44 nfs02 kernel: [ 197.914978] ffffffff8143427e ffff88032f55c100 ffffffff8148dc17 0000000000000020 Mar 28 13:35:44 nfs02 kernel: [ 197.915022] 000041002ccb61da 0000000000000a80 0000000000000000 ffff88032509fca8 Mar 28 13:35:44 nfs02 kernel: [ 197.915897] Call Trace: Mar 28 13:35:44 nfs02 kernel: [ 197.916898] [<ffffffff814341c7>] ? skb_release_data+0x87/0x100 Mar 28 13:35:44 nfs02 kernel: [ 197.917868] [<ffffffff8143427e>] ? __kfree_skb+0xe/0x20 Mar 28 13:35:44 nfs02 kernel: [ 197.918945] [<ffffffff8148dc17>] ? tcp_recvmsg+0x9f7/0xc00 Mar 28 13:35:44 nfs02 kernel: [ 197.920061] [<ffffffff812d56d7>] ? memcpy_toiovec+0x47/0x80 Mar 28 13:35:44 nfs02 kernel: [ 197.921207] [<ffffffff814b7720>] ? inet_recvmsg+0x70/0x90 Mar 28 13:35:44 nfs02 kernel: [ 197.922431] [<ffffffff8142b7c2>] ? sock_recvmsg+0xa2/0xe0 Mar 28 13:35:44 nfs02 kernel: [ 197.923686] [<ffffffff8142fb4e>] ? release_sock+0xee/0x170 Mar 28 13:35:44 nfs02 kernel: [ 197.924986] [<ffffffff814b7720>] ? inet_recvmsg+0x70/0x90 Mar 28 13:35:44 nfs02 kernel: [ 197.926165] [<ffffffff8142b83d>] ? kernel_recvmsg+0x3d/0x50 Mar 28 13:35:44 nfs02 kernel: [ 197.927000] [<ffffffffa01ec2a4>] ? drbd_recv_short+0x54/0x60 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.928134] [<ffffffffa01ec3e5>] ? drbd_recv+0x25/0x190 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.929407] [<ffffffffa01ed0a6>] ? drbd_recv_all_warn+0x16/0x60 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.930595] [<ffffffffa01f5202>] ? read_in_block.isra.45+0x242/0x340 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.931742] [<ffffffffa01f7df1>] ? receive_Data+0xf1/0xe40 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.932756] [<ffffffffa01ec3e5>] ? drbd_recv+0x25/0x190 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.933734] [<ffffffffa01f7d00>] ? receive_RSDataReply+0x530/0x530 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.934696] [<ffffffffa01f9d80>] ? drbd_receiver+0x110/0x230 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.935611] [<ffffffffa020377c>] ? drbd_thread_setup+0x4c/0x130 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.936517] [<ffffffffa0203730>] ? drbd_destroy_connection+0xc0/0xc0 [drbd] Mar 28 13:35:44 nfs02 kernel: [ 197.937421] [<ffffffff8108f2c1>] ? kthread+0xd1/0xf0 Mar 28 13:35:44 nfs02 kernel: [ 197.938315] [<ffffffff81538c7f>] ? __schedule+0x22f/0x750 Mar 28 13:35:44 nfs02 kernel: [ 197.939167] [<ffffffff8108f1f0>] ? kthread_create_on_node+0x1b0/0x1b0 Mar 28 13:35:44 nfs02 kernel: [ 197.939979] [<ffffffff8153d06b>] ? ret_from_fork+0x5b/0xa0 Mar 28 13:35:44 nfs02 kernel: [ 197.940839] [<ffffffff8108f1f0>] ? kthread_create_on_node+0x1b0/0x1b0 Mar 28 13:35:44 nfs02 kernel: [ 197.941712] Code: e9 06 ff ff ff f0 80 65 03 fe 57 9d 66 66 90 66 90 f0 ff 0e 74 cf eb de 48 89 ef e8 66 f8 ff ff eb d4 0f 1f 40 00 66 66 66 66 90 <48> f7 07 00 c0 00 00 75 12 f0 ff 4f 1c 74 04 c3 0f 1f 00 e9 43 Mar 28 13:35:44 nfs02 kernel: [ 197.944726] RIP [<ffffffff81157935>] put_page+0x5/0x30 Mar 28 13:35:44 nfs02 kernel: [ 197.945594] RSP <ffff88032509fa88> Mar 28 13:35:44 nfs02 kernel: [ 197.946461] CR2: 0000000000000000 Mar 28 13:35:44 nfs02 kernel: [ 197.947286] ---[ end trace 43461d8b1534b82e ]--- Mar 28 13:36:33 nfs02 kernel: [ 246.846546] drbd r0: PingAck did not arrive in time. Mar 28 13:36:33 nfs02 kernel: [ 246.847307] BUG: unable to handle kernel NULL pointer dereference at 0000000000000808 Mar 28 13:36:33 nfs02 kernel: [ 246.847986] IP: [<ffffffff8153ca3b>] _raw_spin_lock_irqsave+0x1b/0x60 Mar 28 13:36:33 nfs02 kernel: [ 246.848760] PGD 0 Mar 28 13:36:33 nfs02 kernel: [ 246.849626] Oops: 0002 [#2] SMP Mar 28 13:36:33 nfs02 kernel: [ 246.850530] Modules linked in: binfmt_misc vmw_vsock_vmci_transport vsock crc32_pclmul aesni_intel vmw_balloon ppdev evdev aes_x86_64 lrw serio_raw pcspkr gf128mul glue_helper ablk_helper cryptd vmwgfx processor thermal_sys parport_pc parport shpchp ttm drm_kms_helper battery vmw_vmci drm ac button drbd lru_cache libcrc32c crc32c_generic autofs4 ext4 crc16 mbcache jbd2 dm_mod sr_mod cdrom sg ata_generic sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel psmouse floppy ata_piix libata vmxnet3 vmw_pvscsi i2c_piix4 i2c_core scsi_mod Mar 28 13:36:33 nfs02 kernel: [ 246.856469] CPU: 0 PID: 1712 Comm: drbd_a_r0 Tainted: G D 3.16.0-8-amd64 #1 Debian 3.16.64-1 Mar 28 13:36:33 nfs02 kernel: [ 246.858598] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/21/2015 Mar 28 13:36:33 nfs02 kernel: [ 246.860871] task: ffff8800bb934350 ti: ffff880331a48000 task.ti: ffff880331a48000 Mar 28 13:36:33 nfs02 kernel: [ 246.862255] RIP: 0010:[<ffffffff8153ca3b>] [<ffffffff8153ca3b>] _raw_spin_lock_irqsave+0x1b/0x60 Mar 28 13:36:33 nfs02 kernel: [ 246.863730] RSP: 0018:ffff880331a4bba8 EFLAGS: 00010083 Mar 28 13:36:33 nfs02 kernel: [ 246.865081] RAX: 0000000000000083 RBX: ffff88032f5fc970 RCX: 0000000000000001 Mar 28 13:36:33 nfs02 kernel: [ 246.866464] RDX: 0000000000010000 RSI: 0000000000000001 RDI: 0000000000000808 Mar 28 13:36:33 nfs02 kernel: [ 246.867904] RBP: 0000000000000001 R08: 0000000000000083 R09: 0000000000000006 Mar 28 13:36:33 nfs02 kernel: [ 246.869301] R10: ffff88032db65000 R11: 0000000000000004 R12: 0000000000000000 Mar 28 13:36:33 nfs02 kernel: [ 246.870623] R13: 0000000000000001 R14: 0000000000000001 R15: 000000000000000a Mar 28 13:36:33 nfs02 kernel: [ 246.872089] FS: 00007ff357142740(0000) GS:ffff88033fc00000(0000) knlGS:0000000000000000 Mar 28 13:36:33 nfs02 kernel: [ 246.873564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 28 13:36:33 nfs02 kernel: [ 246.875025] CR2: 0000000000000808 CR3: 000000032c456000 CR4: 00000000000407f0 Mar 28 13:36:33 nfs02 kernel: [ 246.877486] Stack: Mar 28 13:36:33 nfs02 kernel: [ 246.878929] ffffffff8107dcfc ffff88032ce062c0 0000000000000002 0000000000000000 Mar 28 13:36:33 nfs02 kernel: [ 246.880456] 000000000000d052 ffff88032db65000 ffffffffa02043f6 00000000000110a6 Mar 28 13:36:33 nfs02 kernel: [ 246.881948] 0000000000000001 00000000000007e1 ffffffffa021915f ffff88032db65008 Mar 28 13:36:33 nfs02 kernel: [ 246.883411] Call Trace: Mar 28 13:36:33 nfs02 kernel: [ 246.884882] [<ffffffff8107dcfc>] ? force_sig_info+0x2c/0xd0 Mar 28 13:36:33 nfs02 kernel: [ 246.886274] [<ffffffffa02043f6>] ? _drbd_thread_stop+0x76/0xe0 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.887566] [<ffffffffa021915f>] ? __drbd_set_state+0x51f/0xc30 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.888998] [<ffffffffa021a2fa>] ? conn_set_state+0x2ca/0x520 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.890459] [<ffffffff8109370f>] ? SyS_setns+0x9f/0xf0 Mar 28 13:36:33 nfs02 kernel: [ 246.891913] [<ffffffff8139a3ac>] ? vt_console_print+0x23c/0x400 Mar 28 13:36:33 nfs02 kernel: [ 246.893414] [<ffffffffa021a5fd>] ? _conn_request_state+0xad/0x400 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.894559] [<ffffffff81535ad9>] ? printk+0x4f/0x57 Mar 28 13:36:33 nfs02 kernel: [ 246.895709] [<ffffffffa021c8a6>] ? conn_request_state+0x36/0x60 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.896827] [<ffffffffa01fa067>] ? drbd_asender+0x1c7/0x770 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.898088] [<ffffffffa0203730>] ? drbd_destroy_connection+0xc0/0xc0 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.899217] [<ffffffffa020377c>] ? drbd_thread_setup+0x4c/0x130 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.900340] [<ffffffffa0203730>] ? drbd_destroy_connection+0xc0/0xc0 [drbd] Mar 28 13:36:33 nfs02 kernel: [ 246.901480] [<ffffffff8108f2c1>] ? kthread+0xd1/0xf0 Mar 28 13:36:33 nfs02 kernel: [ 246.902642] [<ffffffff81538c7f>] ? __schedule+0x22f/0x750 Mar 28 13:36:33 nfs02 kernel: [ 246.903780] [<ffffffff8108f1f0>] ? kthread_create_on_node+0x1b0/0x1b0 Mar 28 13:36:33 nfs02 kernel: [ 246.905021] [<ffffffff8153d06b>] ? ret_from_fork+0x5b/0xa0 Mar 28 13:36:33 nfs02 kernel: [ 246.906027] [<ffffffff8108f1f0>] ? kthread_create_on_node+0x1b0/0x1b0 Mar 28 13:36:33 nfs02 kernel: [ 246.906993] Code: e9 db 93 b7 ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 9c 58 66 66 90 66 90 49 89 c0 fa 66 66 90 66 66 90 ba 00 00 01 00 <f0> 0f c1 17 89 d1 c1 e9 10 66 39 d1 89 ce 75 05 4c 89 c0 c3 90 Mar 28 13:36:33 nfs02 kernel: [ 246.910229] RIP [<ffffffff8153ca3b>] _raw_spin_lock_irqsave+0x1b/0x60 Mar 28 13:36:33 nfs02 kernel: [ 246.911302] RSP <ffff880331a4bba8> Mar 28 13:36:33 nfs02 kernel: [ 246.912226] CR2: 0000000000000808 Mar 28 13:36:33 nfs02 kernel: [ 246.913138] ---[ end trace 43461d8b1534b82f ]--- -- System Information: Debian Release: 8.11 APT prefers oldstable APT policy: (500, 'oldstable') Architecture: amd64 (x86_64) Kernel: Linux 3.16.0-7-amd64 (SMP w/2 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system)