Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hello, Lately we have experienced five kernel oopses in our DRBD setup. The stack trace is very similar every time. If you need more information, please let me know. Thank you in advance. Kind regards, Ben. ---------- 2015-05-05T09:31:02.759829+00:00 uk3 kern.info kernel Linux version 4.0.1-x86_64-linode55 (maker at build) (gcc version 4.7.2 (Debian 4.7.2-5) ) #3 SMP Wed Apr 29 11:10:11 EDT 2015 2015-05-05T09:31:02.760314+00:00 uk3 kern.info kernel drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) 2015-05-13T14:14:58.163337+00:00 uk3 kern.alert kernel BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 2015-05-13T14:14:58.163365+00:00 uk3 kern.alert kernel IP: [<ffffffff8157804f>] copy_from_iter+0x140/0x24e 2015-05-13T14:14:58.163369+00:00 uk3 kern.warning kernel PGD 759f7067 PUD 77777067 PMD 0 2015-05-13T14:14:58.163372+00:00 uk3 kern.warning kernel Oops: 0000 [#1] SMP 2015-05-13T14:14:58.163374+00:00 uk3 kern.warning kernel Modules linked in: 2015-05-13T14:14:58.163390+00:00 uk3 kern.warning kernel CPU: 0 PID: 3606 Comm: drbd_w_db Not tainted 4.0.1-x86_64-linode55 #3 2015-05-13T14:14:58.163392+00:00 uk3 kern.warning kernel task: ffff88007c5071c0 ti: ffff880075bd0000 task.ti: ffff880075bd0000 2015-05-13T14:14:58.163395+00:00 uk3 kern.warning kernel RIP: e030:[<ffffffff8157804f>] [<ffffffff8157804f>] copy_from_iter+0x140/0x24e 2015-05-13T14:14:58.163397+00:00 uk3 kern.warning kernel RSP: e02b:ffff880075bd3ae0 EFLAGS: 00010286 2015-05-13T14:14:58.163399+00:00 uk3 kern.warning kernel RAX: 0000000000000440 RBX: 0000000000000440 RCX: 0000000000000440 2015-05-13T14:14:58.163401+00:00 uk3 kern.warning kernel RDX: ffff880075bd3c88 RSI: 0000000000000003 RDI: ffff880005f25088 2015-05-13T14:14:58.163403+00:00 uk3 kern.warning kernel RBP: ffff880075bd3c88 R08: 0000000000000000 R09: ffff880005f254c8 2015-05-13T14:14:58.163409+00:00 uk3 kern.warning kernel R10: ffff880005f25088 R11: ffff88007d2149c0 R12: 0000000000000a10 2015-05-13T14:14:58.163411+00:00 uk3 kern.warning kernel R13: ffff8800720f3000 R14: ffff88007c507978 R15: ffff880075ab57c0 2015-05-13T14:14:58.163413+00:00 uk3 kern.warning kernel FS: 0000000000000000(0000) GS:ffff88007d200000(0000) knlGS:ffff880179b40000 2015-05-13T14:14:58.163415+00:00 uk3 kern.warning kernel CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 2015-05-13T14:14:58.163417+00:00 uk3 kern.warning kernel CR2: 0000000000000003 CR3: 00000000771e1000 CR4: 0000000000042660 2015-05-13T14:14:58.163419+00:00 uk3 kern.warning kernel Stack: 2015-05-13T14:14:58.163421+00:00 uk3 kern.warning kernel 00000000000005f0 ffff88002d75f200 0000000000000a10 ffff880075bd3c78 2015-05-13T14:14:58.163422+00:00 uk3 kern.warning kernel 00000000000005f0 ffff8800720f3000 ffff88007c507978 ffff880075ab57c0 2015-05-13T14:14:58.163429+00:00 uk3 kern.warning kernel ffffffff817d0f76 000040000000fa20 ffff880075bd3c88 0000000000000a10 2015-05-13T14:14:58.163430+00:00 uk3 kern.warning kernel Call Trace: 2015-05-13T14:14:58.163432+00:00 uk3 kern.warning kernel [<ffffffff817d0f76>] ? tcp_sendmsg+0x610/0x9b7 2015-05-13T14:14:58.163434+00:00 uk3 kern.warning kernel [<ffffffff816f8787>] ? sock_sendmsg+0x59/0x73 2015-05-13T14:14:58.163436+00:00 uk3 kern.warning kernel [<ffffffff816f87ee>] ? kernel_sendmsg+0x4d/0x5d 2015-05-13T14:14:58.163441+00:00 uk3 kern.warning kernel [<ffffffff81645a3f>] ? drbd_send+0xa2/0x16d 2015-05-13T14:14:58.163473+00:00 uk3 kern.warning kernel [<ffffffff81645b18>] ? drbd_send_all+0xe/0x23 2015-05-13T14:14:58.163481+00:00 uk3 kern.warning kernel [<ffffffff81647099>] ? _drbd_no_send_page+0x47/0x5d 2015-05-13T14:14:58.163483+00:00 uk3 kern.warning kernel [<ffffffff81647671>] ? drbd_send_dblock+0x2e1/0x4ab 2015-05-13T14:14:58.163485+00:00 uk3 kern.warning kernel [<ffffffff8163de54>] ? mod_rq_state+0x463/0x4e1 2015-05-13T14:14:58.163487+00:00 uk3 kern.warning kernel [<ffffffff818f8229>] ? _raw_spin_lock_irq+0xc/0x65 2015-05-13T14:14:58.163503+00:00 uk3 kern.warning kernel [<ffffffff8162c72b>] ? dequeue_work_batch+0x63/0x7d 2015-05-13T14:14:58.163507+00:00 uk3 kern.warning kernel [<ffffffff8162cab6>] ? wait_for_work+0x59/0x2e0 2015-05-13T14:14:58.163509+00:00 uk3 kern.warning kernel [<ffffffff8163044b>] ? w_send_dblock+0xd3/0x139 2015-05-13T14:14:58.163511+00:00 uk3 kern.warning kernel [<ffffffff816315a6>] ? drbd_worker+0x124/0x302 2015-05-13T14:14:58.163524+00:00 uk3 kern.warning kernel [<ffffffff81644d53>] ? w_complete+0x13/0x13 2015-05-13T14:14:58.163526+00:00 uk3 kern.warning kernel [<ffffffff81644d9a>] ? drbd_thread_setup+0x47/0x10c 2015-05-13T14:14:58.163528+00:00 uk3 kern.warning kernel [<ffffffff81644d53>] ? w_complete+0x13/0x13 2015-05-13T14:14:58.163530+00:00 uk3 kern.warning kernel [<ffffffff810ecfb0>] ? kthread+0xca/0xd2 2015-05-13T14:14:58.163532+00:00 uk3 kern.warning kernel [<ffffffff810ecee6>] ? kthread_freezable_should_stop+0x40/0x40 2015-05-13T14:14:58.163534+00:00 uk3 kern.warning kernel [<ffffffff818f86d8>] ? ret_from_fork+0x58/0x90 2015-05-13T14:14:58.163536+00:00 uk3 kern.warning kernel [<ffffffff810ecee6>] ? kthread_freezable_should_stop+0x40/0x40 2015-05-13T14:14:58.163547+00:00 uk3 kern.warning kernel Code: eb 2b 4c 39 42 08 4c 89 c0 48 0f 46 42 08 48 85 c0 74 1a 49 01 c1 48 8b 32 48 89 c1 4d 89 ca 49 29 c0 48 89 c3 49 29 c2 4c 89 d7 <f3> a4 48 83 c2 10 4d 85 c0 48 8d 42 f0 75 c8 48 3b 58 08 75 05 2015-05-13T14:14:58.163551+00:00 uk3 kern.alert kernel RIP [<ffffffff8157804f>] copy_from_iter+0x140/0x24e 2015-05-13T14:14:58.163553+00:00 uk3 kern.warning kernel RSP <ffff880075bd3ae0> 2015-05-13T14:14:58.163555+00:00 uk3 kern.warning kernel CR2: 0000000000000003 2015-05-13T14:14:58.163557+00:00 uk3 kern.warning kernel ---[ end trace 74bd7ba7a08a9e0b ]--- ---------- 2015-07-08T09:15:05.756460+00:00 uk3 kern.info kernel Linux version 4.1.0-x86_64-linode59 (maker at build) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Jun 22 10:39:23 EDT 2015 2015-07-08T09:15:05.756905+00:00 uk3 kern.info kernel drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) drbd8-utils:amd64 (8.9.2~rc1-1~bpo70+1) drbd-utils:amd64 (8.9.2~rc1-1~bpo70+1, automatic) 2015-07-10T18:11:09.971130+00:00 uk3 kern.alert kernel BUG: unable to handle kernel paging request at 0000000000001000 2015-07-10T18:11:09.971162+00:00 uk3 kern.alert kernel IP: [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-10T18:11:09.971164+00:00 uk3 kern.warning kernel PGD 77b46067 PUD 6f0df067 PMD 0 2015-07-10T18:11:09.971165+00:00 uk3 kern.warning kernel Oops: 0000 [#1] SMP 2015-07-10T18:11:09.971166+00:00 uk3 kern.warning kernel Modules linked in: 2015-07-10T18:11:09.971167+00:00 uk3 kern.warning kernel CPU: 0 PID: 4516 Comm: drbd_w_db Not tainted 4.1.0-x86_64-linode59 #1 2015-07-10T18:11:09.971169+00:00 uk3 kern.warning kernel Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.8.1-0-g4adadbd-20150316_085822-nilsson.home.kraxel.org 04/01/2014 2015-07-10T18:11:09.971188+00:00 uk3 kern.warning kernel task: ffff88006f024a40 ti: ffff8800793b0000 task.ti: ffff8800793b0000 2015-07-10T18:11:09.971190+00:00 uk3 kern.warning kernel RIP: 0010:[<ffffffff8158ba60>] [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-10T18:11:09.971191+00:00 uk3 kern.warning kernel RSP: 0018:ffff8800793b3b60 EFLAGS: 00010292 2015-07-10T18:11:09.971192+00:00 uk3 kern.warning kernel RAX: 0000000000000028 RBX: 0000000000000028 RCX: 0000000000000028 2015-07-10T18:11:09.971192+00:00 uk3 kern.warning kernel RDX: ffff8800793b3c90 RSI: 0000000000001000 RDI: ffff8800384eae98 2015-07-10T18:11:09.971193+00:00 uk3 kern.warning kernel RBP: ffff8800793b3c80 R08: 0000000000000000 R09: ffff8800384eaec0 2015-07-10T18:11:09.971194+00:00 uk3 kern.warning kernel R10: ffff8800384eae98 R11: 000000000000bab2 R12: 00000000000005f0 2015-07-10T18:11:09.971195+00:00 uk3 kern.warning kernel R13: ffff880068334800 R14: 00000000000005f0 R15: ffff8800716e3640 2015-07-10T18:11:09.971198+00:00 uk3 kern.warning kernel FS: 0000000000000000(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000 2015-07-10T18:11:09.971199+00:00 uk3 kern.warning kernel CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2015-07-10T18:11:09.971200+00:00 uk3 kern.warning kernel CR2: 0000000000001000 CR3: 00000000760ef000 CR4: 00000000001407f0 2015-07-10T18:11:09.971201+00:00 uk3 kern.warning kernel Stack: 2015-07-10T18:11:09.971202+00:00 uk3 kern.warning kernel 00000000000005f0 ffff880073f43200 00000000000005f0 ffff8800793b3c70 2015-07-10T18:11:09.971202+00:00 uk3 kern.warning kernel 0000000000000000 ffff880068334800 00000000000005f0 ffff8800716e3640 2015-07-10T18:11:09.971203+00:00 uk3 kern.warning kernel ffffffff81838006 000040000000f428 ffff8800793b3c80 0000000000000000 2015-07-10T18:11:09.971206+00:00 uk3 kern.warning kernel Call Trace: 2015-07-10T18:11:09.971207+00:00 uk3 kern.warning kernel [<ffffffff81838006>] ? tcp_sendmsg+0x3ee/0x9b4 2015-07-10T18:11:09.971208+00:00 uk3 kern.warning kernel [<ffffffff8175c6de>] ? sock_sendmsg+0x2e/0x3b 2015-07-10T18:11:09.971209+00:00 uk3 kern.warning kernel [<ffffffff81666c4a>] ? drbd_send+0xa5/0x171 2015-07-10T18:11:09.971210+00:00 uk3 kern.warning kernel [<ffffffff81666d24>] ? drbd_send_all+0xe/0x23 2015-07-10T18:11:09.971211+00:00 uk3 kern.warning kernel [<ffffffff816682a5>] ? _drbd_no_send_page+0x47/0x5d 2015-07-10T18:11:09.971212+00:00 uk3 kern.warning kernel [<ffffffff8166887d>] ? drbd_send_dblock+0x2e1/0x4ab 2015-07-10T18:11:09.971213+00:00 uk3 kern.warning kernel [<ffffffff811075ae>] ? __wake_up_common+0x47/0x7d 2015-07-10T18:11:09.971216+00:00 uk3 kern.warning kernel [<ffffffff81107a84>] ? __wake_up+0x3a/0x4b 2015-07-10T18:11:09.971217+00:00 uk3 kern.warning kernel [<ffffffff81651643>] ? w_send_dblock+0xd3/0x139 2015-07-10T18:11:09.971219+00:00 uk3 kern.warning kernel [<ffffffff8165279e>] ? drbd_worker+0x124/0x302 2015-07-10T18:11:09.971219+00:00 uk3 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-07-10T18:11:09.971220+00:00 uk3 kern.warning kernel [<ffffffff81665fa2>] ? drbd_thread_setup+0x47/0x10c 2015-07-10T18:11:09.971221+00:00 uk3 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-07-10T18:11:09.971222+00:00 uk3 kern.warning kernel [<ffffffff810f088c>] ? kthread+0xca/0xd2 2015-07-10T18:11:09.971226+00:00 uk3 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-07-10T18:11:09.971227+00:00 uk3 kern.warning kernel [<ffffffff81962362>] ? ret_from_fork+0x42/0x70 2015-07-10T18:11:09.971228+00:00 uk3 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-07-10T18:11:09.971229+00:00 uk3 kern.warning kernel Code: eb 2b 4c 39 42 08 4c 89 c0 48 0f 46 42 08 48 85 c0 74 1a 49 01 c1 48 8b 32 48 89 c1 4d 89 ca 49 29 c0 48 89 c3 49 29 c2 4c 89 d7 <f3> a4 48 83 c2 10 4d 85 c0 48 8d 42 f0 75 c8 48 3b 58 08 75 05 2015-07-10T18:11:09.971231+00:00 uk3 kern.alert kernel RIP [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-10T18:11:09.971231+00:00 uk3 kern.warning kernel RSP <ffff8800793b3b60> 2015-07-10T18:11:09.971232+00:00 uk3 kern.warning kernel CR2: 0000000000001000 2015-07-10T18:11:09.971233+00:00 uk3 kern.warning kernel ---[ end trace e217b95518b37926 ]--- ---------- 2015-07-27T06:46:57.151773+00:00 uk3 kern.info kernel Linux version 4.1.0-x86_64-linode59 (maker at build) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Jun 22 10:39:23 EDT 2015 2015-07-27T06:46:57.152404+00:00 uk3 kern.info kernel drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) drbd8-utils:amd64 (8.9.2~rc1-1~bpo70+1) drbd-utils:amd64 (8.9.2~rc1-1~bpo70+1, automatic) 2015-07-27T07:44:17.576075+00:00 uk3 kern.alert kernel BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 2015-07-27T07:44:17.576106+00:00 uk3 kern.alert kernel IP: [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-27T07:44:17.576108+00:00 uk3 kern.warning kernel PGD 759b0067 PUD 759b1067 PMD 0 2015-07-27T07:44:17.576109+00:00 uk3 kern.warning kernel Oops: 0000 [#1] SMP 2015-07-27T07:44:17.576110+00:00 uk3 kern.warning kernel Modules linked in: 2015-07-27T07:44:17.576112+00:00 uk3 kern.warning kernel CPU: 0 PID: 4448 Comm: drbd_w_db Not tainted 4.1.0-x86_64-linode59 #1 2015-07-27T07:44:17.576114+00:00 uk3 kern.warning kernel Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.8.1-0-g4adadbd-20150316_085822-nilsson.home.kraxel.org 04/01/2014 2015-07-27T07:44:17.576116+00:00 uk3 kern.warning kernel task: ffff880075a87380 ti: ffff880075a68000 task.ti: ffff880075a68000 2015-07-27T07:44:17.576122+00:00 uk3 kern.warning kernel RIP: 0010:[<ffffffff8158ba60>] [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-27T07:44:17.576123+00:00 uk3 kern.warning kernel RSP: 0018:ffff880075a6bb60 EFLAGS: 00010282 2015-07-27T07:44:17.576125+00:00 uk3 kern.warning kernel RAX: 00000000000005f0 RBX: 00000000000005f0 RCX: 00000000000005f0 2015-07-27T07:44:17.576127+00:00 uk3 kern.warning kernel RDX: ffff880075a6bc80 RSI: 0000000000000003 RDI: ffff88006c9e8aa8 2015-07-27T07:44:17.576128+00:00 uk3 kern.warning kernel RBP: ffff880075a6bc80 R08: 0000000000000190 R09: ffff88006c9e9098 2015-07-27T07:44:17.576174+00:00 uk3 kern.warning kernel R10: ffff88006c9e8aa8 R11: 00000000000005a8 R12: 0000000000000a10 2015-07-27T07:44:17.576179+00:00 uk3 kern.warning kernel R13: ffff8800788fd000 R14: ffff880075a87b40 R15: ffff88007bae3e00 2015-07-27T07:44:17.576182+00:00 uk3 kern.warning kernel FS: 0000000000000000(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000 2015-07-27T07:44:17.576184+00:00 uk3 kern.warning kernel CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2015-07-27T07:44:17.576186+00:00 uk3 kern.warning kernel CR2: 0000000000000003 CR3: 000000007597a000 CR4: 00000000001407f0 2015-07-27T07:44:17.576187+00:00 uk3 kern.warning kernel Stack: 2015-07-27T07:44:17.576210+00:00 uk3 kern.warning kernel 00000000000005f0 ffff8800788fca00 0000000000000a10 ffff880075a6bc70 2015-07-27T07:44:17.576212+00:00 uk3 kern.warning kernel 00000000000005f0 ffff8800788fd000 ffff880075a87b40 ffff88007bae3e00 2015-07-27T07:44:17.576213+00:00 uk3 kern.warning kernel ffffffff81838225 000040000000f6e0 ffff880075a6bc80 0000000000000a10 2015-07-27T07:44:17.576213+00:00 uk3 kern.warning kernel Call Trace: 2015-07-27T07:44:17.576215+00:00 uk3 kern.warning kernel [<ffffffff81838225>] ? tcp_sendmsg+0x60d/0x9b4 2015-07-27T07:44:17.576216+00:00 uk3 kern.warning kernel [<ffffffff8175c6de>] ? sock_sendmsg+0x2e/0x3b 2015-07-27T07:44:17.576217+00:00 uk3 kern.warning kernel [<ffffffff81666c4a>] ? drbd_send+0xa5/0x171 2015-07-27T07:44:17.576220+00:00 uk3 kern.warning kernel [<ffffffff81666d24>] ? drbd_send_all+0xe/0x23 2015-07-27T07:44:17.576222+00:00 uk3 kern.warning kernel [<ffffffff816682a5>] ? _drbd_no_send_page+0x47/0x5d 2015-07-27T07:44:17.576223+00:00 uk3 kern.warning kernel [<ffffffff8166887d>] ? drbd_send_dblock+0x2e1/0x4ab 2015-07-27T07:44:17.576224+00:00 uk3 kern.warning kernel [<ffffffff81107a84>] ? __wake_up+0x3a/0x4b 2015-07-27T07:44:17.576225+00:00 uk3 kern.warning kernel [<ffffffff81651643>] ? w_send_dblock+0xd3/0x139 2015-07-27T07:44:17.576226+00:00 uk3 kern.warning kernel [<ffffffff8165279e>] ? drbd_worker+0x124/0x302 2015-07-27T07:44:17.576226+00:00 uk3 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-07-27T07:44:17.576227+00:00 uk3 kern.warning kernel [<ffffffff81665fa2>] ? drbd_thread_setup+0x47/0x10c 2015-07-27T07:44:17.576231+00:00 uk3 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-07-27T07:44:17.576232+00:00 uk3 kern.warning kernel [<ffffffff810f088c>] ? kthread+0xca/0xd2 2015-07-27T07:44:17.576233+00:00 uk3 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-07-27T07:44:17.576234+00:00 uk3 kern.warning kernel [<ffffffff81962362>] ? ret_from_fork+0x42/0x70 2015-07-27T07:44:17.576235+00:00 uk3 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-07-27T07:44:17.576237+00:00 uk3 kern.warning kernel Code: eb 2b 4c 39 42 08 4c 89 c0 48 0f 46 42 08 48 85 c0 74 1a 49 01 c1 48 8b 32 48 89 c1 4d 89 ca 49 29 c0 48 89 c3 49 29 c2 4c 89 d7 <f3> a4 48 83 c2 10 4d 85 c0 48 8d 42 f0 75 c8 48 3b 58 08 75 05 2015-07-27T07:44:17.576238+00:00 uk3 kern.alert kernel RIP [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-27T07:44:17.576241+00:00 uk3 kern.warning kernel RSP <ffff880075a6bb60> 2015-07-27T07:44:17.576242+00:00 uk3 kern.warning kernel CR2: 0000000000000003 2015-07-27T07:44:17.576243+00:00 uk3 kern.warning kernel ---[ end trace 72c4b2b13ae06bb9 ]--- ---------- 2015-07-27T06:50:01.146390+00:00 uk4 kern.info kernel Linux version 4.1.0-x86_64-linode59 (maker at build) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Jun 22 10:39:23 EDT 2015 2015-07-27T06:50:01.147014+00:00 uk4 kern.info kernel drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) drbd8-utils:amd64 (8.9.2~rc1-1~bpo70+1) drbd-utils:amd64 (8.9.2~rc1-1~bpo70+1, automatic) 2015-07-27T18:04:49.795904+00:00 uk4 kern.alert kernel BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 2015-07-27T18:04:49.795931+00:00 uk4 kern.alert kernel IP: [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-27T18:04:49.795933+00:00 uk4 kern.warning kernel PGD 77e8d067 PUD 78b0c067 PMD 0 2015-07-27T18:04:49.795935+00:00 uk4 kern.warning kernel Oops: 0000 [#1] SMP 2015-07-27T18:04:49.795936+00:00 uk4 kern.warning kernel Modules linked in: 2015-07-27T18:04:49.795938+00:00 uk4 kern.warning kernel CPU: 0 PID: 4166 Comm: drbd_w_db Not tainted 4.1.0-x86_64-linode59 #1 2015-07-27T18:04:49.795940+00:00 uk4 kern.warning kernel Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.8.1-0-g4adadbd-20150316_085822-nilsson.home.kraxel.org 04/01/2014 2015-07-27T18:04:49.795954+00:00 uk4 kern.warning kernel task: ffff8800741498c0 ti: ffff88007b7f0000 task.ti: ffff88007b7f0000 2015-07-27T18:04:49.795956+00:00 uk4 kern.warning kernel RIP: 0010:[<ffffffff8158ba60>] [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-27T18:04:49.795957+00:00 uk4 kern.warning kernel RSP: 0018:ffff88007b7f3b60 EFLAGS: 00010282 2015-07-27T18:04:49.795959+00:00 uk4 kern.warning kernel RAX: 00000000000005f0 RBX: 00000000000005f0 RCX: 00000000000005f0 2015-07-27T18:04:49.795995+00:00 uk4 kern.warning kernel RDX: ffff88007b7f3c80 RSI: 0000000000000003 RDI: ffff880002af9be0 2015-07-27T18:04:49.795997+00:00 uk4 kern.warning kernel RBP: ffff88007b7f3c80 R08: 00000000000003f0 R09: ffff880002afa1d0 2015-07-27T18:04:49.795999+00:00 uk4 kern.warning kernel R10: ffff880002af9be0 R11: 00000000000005a8 R12: 0000000000000a10 2015-07-27T18:04:49.796003+00:00 uk4 kern.warning kernel R13: ffff88006a7d8e00 R14: ffff88007414a080 R15: ffff880077421f00 2015-07-27T18:04:49.796004+00:00 uk4 kern.warning kernel FS: 0000000000000000(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000 2015-07-27T18:04:49.796006+00:00 uk4 kern.warning kernel CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2015-07-27T18:04:49.796007+00:00 uk4 kern.warning kernel CR2: 0000000000000003 CR3: 0000000077e8c000 CR4: 00000000001407f0 2015-07-27T18:04:49.796008+00:00 uk4 kern.warning kernel Stack: 2015-07-27T18:04:49.796009+00:00 uk4 kern.warning kernel 00000000000005f0 ffff88006a7d9e00 0000000000000a10 ffff88007b7f3c70 2015-07-27T18:04:49.796010+00:00 uk4 kern.warning kernel 00000000000005f0 ffff88006a7d8e00 ffff88007414a080 ffff880077421f00 2015-07-27T18:04:49.796014+00:00 uk4 kern.warning kernel ffffffff81838225 000040000000f480 ffff88007b7f3c80 0000000000000a10 2015-07-27T18:04:49.796015+00:00 uk4 kern.warning kernel Call Trace: 2015-07-27T18:04:49.796016+00:00 uk4 kern.warning kernel [<ffffffff81838225>] ? tcp_sendmsg+0x60d/0x9b4 2015-07-27T18:04:49.796017+00:00 uk4 kern.warning kernel [<ffffffff8175c6de>] ? sock_sendmsg+0x2e/0x3b 2015-07-27T18:04:49.796019+00:00 uk4 kern.warning kernel [<ffffffff81666c4a>] ? drbd_send+0xa5/0x171 2015-07-27T18:04:49.796020+00:00 uk4 kern.warning kernel [<ffffffff81666d24>] ? drbd_send_all+0xe/0x23 2015-07-27T18:04:49.796022+00:00 uk4 kern.warning kernel [<ffffffff816682a5>] ? _drbd_no_send_page+0x47/0x5d 2015-07-27T18:04:49.796024+00:00 uk4 kern.warning kernel [<ffffffff8166887d>] ? drbd_send_dblock+0x2e1/0x4ab 2015-07-27T18:04:49.796027+00:00 uk4 kern.warning kernel [<ffffffff81107a84>] ? __wake_up+0x3a/0x4b 2015-07-27T18:04:49.796029+00:00 uk4 kern.warning kernel [<ffffffff81651643>] ? w_send_dblock+0xd3/0x139 2015-07-27T18:04:49.796030+00:00 uk4 kern.warning kernel [<ffffffff8165279e>] ? drbd_worker+0x124/0x302 2015-07-27T18:04:49.796032+00:00 uk4 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-07-27T18:04:49.796033+00:00 uk4 kern.warning kernel [<ffffffff81665fa2>] ? drbd_thread_setup+0x47/0x10c 2015-07-27T18:04:49.796034+00:00 uk4 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-07-27T18:04:49.796036+00:00 uk4 kern.warning kernel [<ffffffff810f088c>] ? kthread+0xca/0xd2 2015-07-27T18:04:49.796040+00:00 uk4 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-07-27T18:04:49.796041+00:00 uk4 kern.warning kernel [<ffffffff81962362>] ? ret_from_fork+0x42/0x70 2015-07-27T18:04:49.796042+00:00 uk4 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-07-27T18:04:49.796045+00:00 uk4 kern.warning kernel Code: eb 2b 4c 39 42 08 4c 89 c0 48 0f 46 42 08 48 85 c0 74 1a 49 01 c1 48 8b 32 48 89 c1 4d 89 ca 49 29 c0 48 89 c3 49 29 c2 4c 89 d7 <f3> a4 48 83 c2 10 4d 85 c0 48 8d 42 f0 75 c8 48 3b 58 08 75 05 2015-07-27T18:04:49.796046+00:00 uk4 kern.alert kernel RIP [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-07-27T18:04:49.796047+00:00 uk4 kern.warning kernel RSP <ffff88007b7f3b60> 2015-07-27T18:04:49.796048+00:00 uk4 kern.warning kernel CR2: 0000000000000003 2015-07-27T18:04:49.796052+00:00 uk4 kern.warning kernel ---[ end trace 1277a4d533113ace ]--- ---------- 2015-08-05T14:01:37.789073+00:00 uk3 kern.info kernel Linux version 4.1.0-x86_64-linode59 (maker at build) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Jun 22 10:39:23 EDT 2015 2015-08-05T14:01:37.789801+00:00 uk3 kern.info kernel drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) drbd8-utils:amd64 (8.9.2~rc1-1~bpo70+1) drbd-utils:amd64 (8.9.2~rc1-1~bpo70+1, automatic) 2015-08-13T16:39:28.838858+00:00 uk3 kern.alert kernel BUG: unable to handle kernel paging request at 0000000000001000 2015-08-13T16:39:28.838887+00:00 uk3 kern.alert kernel IP: [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-08-13T16:39:28.838890+00:00 uk3 kern.warning kernel PGD 0 2015-08-13T16:39:28.838892+00:00 uk3 kern.warning kernel Oops: 0000 [#1] SMP 2015-08-13T16:39:28.838894+00:00 uk3 kern.warning kernel Modules linked in: 2015-08-13T16:39:28.838896+00:00 uk3 kern.warning kernel CPU: 0 PID: 6121 Comm: drbd_w_db Not tainted 4.1.0-x86_64-linode59 #1 2015-08-13T16:39:28.838899+00:00 uk3 kern.warning kernel task: ffff88007c0d3180 ti: ffff8800776b8000 task.ti: ffff8800776b8000 2015-08-13T16:39:28.838903+00:00 uk3 kern.warning kernel RIP: e030:[<ffffffff8158ba60>] [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-08-13T16:39:28.838907+00:00 uk3 kern.warning kernel RSP: e02b:ffff8800776bbb60 EFLAGS: 00010282 2015-08-13T16:39:28.838909+00:00 uk3 kern.warning kernel RAX: 00000000000004e0 RBX: 00000000000004e0 RCX: 00000000000004e0 2015-08-13T16:39:28.838912+00:00 uk3 kern.warning kernel RDX: ffff8800776bbc90 RSI: 0000000000001000 RDI: ffff880077acd9e0 2015-08-13T16:39:28.838914+00:00 uk3 kern.warning kernel RBP: ffff8800776bbc80 R08: 0000000000000000 R09: ffff880077acdec0 2015-08-13T16:39:28.838916+00:00 uk3 kern.warning kernel R10: ffff880077acd9e0 R11: 00000000000005a8 R12: 00000000000005f0 2015-08-13T16:39:28.838918+00:00 uk3 kern.warning kernel R13: ffff88007c74de00 R14: 00000000000005f0 R15: ffff880000ed5540 2015-08-13T16:39:28.838920+00:00 uk3 kern.warning kernel FS: 0000000000000000(0000) GS:ffff88007d200000(0000) knlGS:ffff88007d200000 2015-08-13T16:39:28.838922+00:00 uk3 kern.warning kernel CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 2015-08-13T16:39:28.838923+00:00 uk3 kern.warning kernel CR2: 0000000000001000 CR3: 00000000771b3000 CR4: 0000000000042660 2015-08-13T16:39:28.838925+00:00 uk3 kern.warning kernel Stack: 2015-08-13T16:39:28.838927+00:00 uk3 kern.warning kernel 00000000000005f0 ffff880077211000 00000000000005f0 ffff8800776bbc70 2015-08-13T16:39:28.838929+00:00 uk3 kern.warning kernel 0000000000000000 ffff88007c74de00 00000000000005f0 ffff880000ed5540 2015-08-13T16:39:28.838931+00:00 uk3 kern.warning kernel ffffffff81838006 000040000000ef70 ffff8800776bbc80 0000000000000000 2015-08-13T16:39:28.838932+00:00 uk3 kern.warning kernel Call Trace: 2015-08-13T16:39:28.838934+00:00 uk3 kern.warning kernel [<ffffffff81838006>] ? tcp_sendmsg+0x3ee/0x9b4 2015-08-13T16:39:28.838936+00:00 uk3 kern.warning kernel [<ffffffff8175c6de>] ? sock_sendmsg+0x2e/0x3b 2015-08-13T16:39:28.838938+00:00 uk3 kern.warning kernel [<ffffffff81666c4a>] ? drbd_send+0xa5/0x171 2015-08-13T16:39:28.838940+00:00 uk3 kern.warning kernel [<ffffffff81666d24>] ? drbd_send_all+0xe/0x23 2015-08-13T16:39:28.838962+00:00 uk3 kern.warning kernel [<ffffffff816682a5>] ? _drbd_no_send_page+0x47/0x5d 2015-08-13T16:39:28.838967+00:00 uk3 kern.warning kernel [<ffffffff8166887d>] ? drbd_send_dblock+0x2e1/0x4ab 2015-08-13T16:39:28.838970+00:00 uk3 kern.warning kernel [<ffffffff811075ae>] ? __wake_up_common+0x47/0x7d 2015-08-13T16:39:28.838973+00:00 uk3 kern.warning kernel [<ffffffff81107a84>] ? __wake_up+0x3a/0x4b 2015-08-13T16:39:28.838975+00:00 uk3 kern.warning kernel [<ffffffff81651643>] ? w_send_dblock+0xd3/0x139 2015-08-13T16:39:28.838978+00:00 uk3 kern.warning kernel [<ffffffff8165279e>] ? drbd_worker+0x124/0x302 2015-08-13T16:39:28.838981+00:00 uk3 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-08-13T16:39:28.838985+00:00 uk3 kern.warning kernel [<ffffffff81665fa2>] ? drbd_thread_setup+0x47/0x10c 2015-08-13T16:39:28.838999+00:00 uk3 kern.warning kernel [<ffffffff81665f5b>] ? w_complete+0x13/0x13 2015-08-13T16:39:28.839003+00:00 uk3 kern.warning kernel [<ffffffff810f088c>] ? kthread+0xca/0xd2 2015-08-13T16:39:28.839006+00:00 uk3 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-08-13T16:39:28.839009+00:00 uk3 kern.warning kernel [<ffffffff81962362>] ? ret_from_fork+0x42/0x70 2015-08-13T16:39:28.839012+00:00 uk3 kern.warning kernel [<ffffffff810f07c2>] ? kthread_freezable_should_stop+0x40/0x40 2015-08-13T16:39:28.839016+00:00 uk3 kern.warning kernel Code: eb 2b 4c 39 42 08 4c 89 c0 48 0f 46 42 08 48 85 c0 74 1a 49 01 c1 48 8b 32 48 89 c1 4d 89 ca 49 29 c0 48 89 c3 49 29 c2 4c 89 d7 <f3> a4 48 83 c2 10 4d 85 c0 48 8d 42 f0 75 c8 48 3b 58 08 75 05 2015-08-13T16:39:28.839020+00:00 uk3 kern.alert kernel RIP [<ffffffff8158ba60>] copy_from_iter+0x140/0x24e 2015-08-13T16:39:28.839031+00:00 uk3 kern.warning kernel RSP <ffff8800776bbb60> 2015-08-13T16:39:28.839035+00:00 uk3 kern.warning kernel CR2: 0000000000001000 2015-08-13T16:39:28.839038+00:00 uk3 kern.warning kernel ---[ end trace edb6ef1729c2cd08 ]--- -------------- next part -------------- An HTML attachment was scrubbed... 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