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# make load
tools/load.pl
14:50:45 Syncing...
14:50:46 Loading: build-4.4.0-1063-aws/driver/dtracedrv.ko
insmod: ERROR: could not insert module build-4.4.0-1063-aws/driver/dtracedrv.ko: File exists
An error was detected loading the driver. Refer to
/var/log/kern.log or 'dmesg' to see what the issue
might be. For your convenience, here is the last few
lines from /var/log/kern.log:
===== tail -10 /var/log/kern.log
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.269285] Call Trace:
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.271257] [<ffffffffc02fc765>] ctl_exit+0x15/0x20 [dtracedrv]
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.274337] [<ffffffffc0339172>] dtracedrv_exit+0x84/0xf12 [dtracedrv]
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.277644] [<ffffffff811098f8>] SyS_delete_module+0x1b8/0x210
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.280730] [<ffffffff8182590e>] entry_SYSCALL_64_fastpath+0x22/0xc1
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.283956] Code: 00 00 00 53 44 2b 27 48 39 47 18 74 73 48 89 fb 48 c7 c7 a0 6d ec 81 e8 12 cc 30 00 48 8b 43 20 48 8b 53 18 48 8b 3d 7b 2f cd 00 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 8b 33 48 89
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.304002] RIP [<ffffffff81516aad>] misc_deregister+0x3d/0xb0
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.307441] RSP <ffff8801ca97feb8>
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.309994] CR2: 0000000000000008
Oct 23 14:50:46 mainnet-aws-ir-2 kernel: [348378.312492] ---[ end trace a892a5ed1691d5f1 ]---
makefile:156: recipe for target 'load' failed
make: *** [load] Error 1
dmesg log:
[Tue Oct 23 14:50:43 2018] WARNING: CPU: 2 PID: 30166 at /build/linux-aws-JZaU1R/linux-aws-4.4.0/fs/proc/generic.c:573 remove_proc_entry+0x175/0x180()
[Tue Oct 23 14:50:43 2018] name 'dtrace/idt'
[Tue Oct 23 14:50:43 2018] Modules linked in: dtracedrv(POE-) binfmt_misc ppdev parport_pc parport serio_raw ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ena nvme
[Tue Oct 23 14:50:43 2018] CPU: 2 PID: 30166 Comm: rmmod Tainted: P D OE 4.4.0-1063-aws #72-Ubuntu
[Tue Oct 23 14:50:44 2018] Hardware name: Amazon EC2 m5.2xlarge/, BIOS 1.0 10/16/2017
[Tue Oct 23 14:50:44 2018] 0000000000000286 0f66508a008fd230 ffff8801ca97fde0 ffffffff813fde73
[Tue Oct 23 14:50:44 2018] ffff8801ca97fe28 ffffffff81cd1f90 ffff8801ca97fe18 ffffffff810834d2
[Tue Oct 23 14:50:44 2018] ffffffffc034c829 0000000000000000 ffff8807e5aca9c0 0000000000000000
[Tue Oct 23 14:50:44 2018] Call Trace:
[Tue Oct 23 14:50:44 2018] [<ffffffff813fde73>] dump_stack+0x63/0x90
[Tue Oct 23 14:50:44 2018] [<ffffffff810834d2>] warn_slowpath_common+0x82/0xc0
[Tue Oct 23 14:50:44 2018] [<ffffffff8108356c>] warn_slowpath_fmt+0x5c/0x80
[Tue Oct 23 14:50:44 2018] [<ffffffff81284a1d>] ? pde_subdir_find+0x4d/0x80
[Tue Oct 23 14:50:44 2018] [<ffffffff81285875>] remove_proc_entry+0x175/0x180
[Tue Oct 23 14:50:44 2018] [<ffffffffc032e627>] intr_exit+0x17/0xd0 [dtracedrv]
[Tue Oct 23 14:50:44 2018] [<ffffffffc0339168>] dtracedrv_exit+0x7a/0xf12 [dtracedrv]
[Tue Oct 23 14:50:44 2018] [<ffffffff811098f8>] SyS_delete_module+0x1b8/0x210
[Tue Oct 23 14:50:44 2018] [<ffffffff8182590e>] entry_SYSCALL_64_fastpath+0x22/0xc1
[Tue Oct 23 14:50:44 2018] ---[ end trace a892a5ed1691d5ef ]---
[Tue Oct 23 14:50:44 2018] ------------[ cut here ]------------
[Tue Oct 23 14:50:44 2018] WARNING: CPU: 2 PID: 30166 at /build/linux-aws-JZaU1R/linux-aws-4.4.0/fs/proc/generic.c:573 remove_proc_entry+0x175/0x180()
[Tue Oct 23 14:50:44 2018] name 'dtrace/gdt'
[Tue Oct 23 14:50:44 2018] Modules linked in: dtracedrv(POE-) binfmt_misc ppdev parport_pc parport serio_raw ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ena nvme
[Tue Oct 23 14:50:44 2018] CPU: 2 PID: 30166 Comm: rmmod Tainted: P D W OE 4.4.0-1063-aws #72-Ubuntu
[Tue Oct 23 14:50:44 2018] Hardware name: Amazon EC2 m5.2xlarge/, BIOS 1.0 10/16/2017
[Tue Oct 23 14:50:44 2018] 0000000000000286 0f66508a008fd230 ffff8801ca97fde0 ffffffff813fde73
[Tue Oct 23 14:50:44 2018] ffff8801ca97fe28 ffffffff81cd1f90 ffff8801ca97fe18 ffffffff810834d2
[Tue Oct 23 14:50:44 2018] ffffffffc034c834 0000000000000000 ffff8807e5aca9c0 0000000000000000
[Tue Oct 23 14:50:44 2018] Call Trace:
[Tue Oct 23 14:50:44 2018] [<ffffffff813fde73>] dump_stack+0x63/0x90
[Tue Oct 23 14:50:44 2018] [<ffffffff810834d2>] warn_slowpath_common+0x82/0xc0
[Tue Oct 23 14:50:44 2018] [<ffffffff8108356c>] warn_slowpath_fmt+0x5c/0x80
[Tue Oct 23 14:50:44 2018] [<ffffffff81284a1d>] ? pde_subdir_find+0x4d/0x80
[Tue Oct 23 14:50:44 2018] [<ffffffff81285875>] remove_proc_entry+0x175/0x180
[Tue Oct 23 14:50:44 2018] [<ffffffffc032e635>] intr_exit+0x25/0xd0 [dtracedrv]
[Tue Oct 23 14:50:44 2018] [<ffffffffc0339168>] dtracedrv_exit+0x7a/0xf12 [dtracedrv]
[Tue Oct 23 14:50:44 2018] [<ffffffff811098f8>] SyS_delete_module+0x1b8/0x210
[Tue Oct 23 14:50:44 2018] [<ffffffff8182590e>] entry_SYSCALL_64_fastpath+0x22/0xc1
[Tue Oct 23 14:50:44 2018] ---[ end trace a892a5ed1691d5f0 ]---
[Tue Oct 23 14:50:44 2018] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[Tue Oct 23 14:50:44 2018] IP: [<ffffffff81516aad>] misc_deregister+0x3d/0xb0
[Tue Oct 23 14:50:44 2018] PGD 0
[Tue Oct 23 14:50:44 2018] Oops: 0002 [#2] SMP
[Tue Oct 23 14:50:44 2018] Modules linked in: dtracedrv(POE-) binfmt_misc ppdev parport_pc parport serio_raw ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ena nvme
[Tue Oct 23 14:50:44 2018] CPU: 6 PID: 30166 Comm: rmmod Tainted: P D W OE 4.4.0-1063-aws #72-Ubuntu
[Tue Oct 23 14:50:44 2018] Hardware name: Amazon EC2 m5.2xlarge/, BIOS 1.0 10/16/2017
[Tue Oct 23 14:50:44 2018] task: ffff880158420000 ti: ffff8801ca97c000 task.ti: ffff8801ca97c000
[Tue Oct 23 14:50:44 2018] RIP: 0010:[<ffffffff81516aad>] [<ffffffff81516aad>] misc_deregister+0x3d/0xb0
[Tue Oct 23 14:50:44 2018] RSP: 0018:ffff8801ca97feb8 EFLAGS: 00010246
[Tue Oct 23 14:50:44 2018] RAX: 0000000000000000 RBX: ffffffffc0354060 RCX: 00000000c0000100
[Tue Oct 23 14:50:44 2018] RDX: 0000000000000000 RSI: ffff880158420000 RDI: ffff8807e943e380
[Tue Oct 23 14:50:44 2018] RBP: ffff8801ca97fec8 R08: ffff8801ca97c000 R09: 0000000000000000
[Tue Oct 23 14:50:44 2018] R10: ffff8800365e79d8 R11: 0000000000000000 R12: 00000000ffffff40
[Tue Oct 23 14:50:44 2018] R13: 00007ffc2ca9d673 R14: 0000000000000000 R15: 000055a58b8de1f0
[Tue Oct 23 14:50:44 2018] FS: 00007f944ad9a700(0000) GS:ffff88080d180000(0000) knlGS:0000000000000000
[Tue Oct 23 14:50:44 2018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[Tue Oct 23 14:50:44 2018] CR2: 0000000000000008 CR3: 000000031ba3e000 CR4: 0000000000360670
[Tue Oct 23 14:50:44 2018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[Tue Oct 23 14:50:44 2018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[Tue Oct 23 14:50:44 2018] Stack:
[Tue Oct 23 14:50:44 2018] ffffffffc037aa40 00007ffc2ca9cbd0 ffff8801ca97fed8 ffffffffc02fc765
[Tue Oct 23 14:50:44 2018] ffff8801ca97fee8 ffffffffc0339172 ffff8801ca97ff48 ffffffff811098f8
[Tue Oct 23 14:50:44 2018] 7264656361727464 0000000000000076 ffff8801ca97c000 0000000000000000
[Tue Oct 23 14:50:44 2018] Call Trace:
[Tue Oct 23 14:50:44 2018] [<ffffffffc02fc765>] ctl_exit+0x15/0x20 [dtracedrv]
[Tue Oct 23 14:50:44 2018] [<ffffffffc0339172>] dtracedrv_exit+0x84/0xf12 [dtracedrv]
[Tue Oct 23 14:50:44 2018] [<ffffffff811098f8>] SyS_delete_module+0x1b8/0x210
[Tue Oct 23 14:50:44 2018] [<ffffffff8182590e>] entry_SYSCALL_64_fastpath+0x22/0xc1
[Tue Oct 23 14:50:44 2018] Code: 00 00 00 53 44 2b 27 48 39 47 18 74 73 48 89 fb 48 c7 c7 a0 6d ec 81 e8 12 cc 30 00 48 8b 43 20 48 8b 53 18 48 8b 3d 7b 2f cd 00 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 8b 33 48 89
[Tue Oct 23 14:50:44 2018] RIP [<ffffffff81516aad>] misc_deregister+0x3d/0xb0
[Tue Oct 23 14:50:44 2018] RSP <ffff8801ca97feb8>
[Tue Oct 23 14:50:44 2018] CR2: 0000000000000008
[Tue Oct 23 14:50:44 2018] ---[ end trace a892a5ed1691d5f1 ]---```
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