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September 21, 2015 20:09
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server weirdness
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| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.023170] BUG: unable to handle kernel NULL pointer dereference at 0000000000000016 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.023273] IP: [<ffffffff81217490>] __detach_mounts+0x40/0x90 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.023365] PGD 2cd17b067 PUD 40bd44067 PMD 0 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.023425] Oops: 0000 [#1] SMP | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.023468] Modules linked in: dummy xt_nat xt_tcpudp dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c veth xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables x_tables br_netfilter nf_nat nf_conntrack bridge stp llc overlay iosf_mbi ppdev kvm_intel kvm cirrus crct10dif_pclmul crc32_pclmul ttm ghash_clmulni_intel drm_kms_helper aesni_intel aes_x86_64 lrw drm gf128mul glue_helper ablk_helper cryptd syscopyarea serio_raw sysfillrect sysimgblt i2c_piix4 parport_pc pvpanic 8250_fintek parport mac_hid autofs4 psmouse floppy pata_acpi | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024314] CPU: 1 PID: 3657 Comm: docker Not tainted 3.19.0-22-generic #22-Ubuntu | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024463] task: ffff880409891d70 ti: ffff88032103c000 task.ti: ffff88032103c000 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024545] RIP: 0010:[<ffffffff81217490>] [<ffffffff81217490>] __detach_mounts+0x40/0x90 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024641] RSP: 0018:ffff88032103fdf8 EFLAGS: 00010202 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024701] RAX: 00000000cc46cc46 RBX: fffffffffffffffe RCX: 000000000000000f | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024780] RDX: 000000000000cc46 RSI: ffffffffffffffff RDI: ffffffff81c0c4c4 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024859] RBP: ffff88032103fe08 R08: 0000000000000000 R09: 0000000000000000 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.024938] R10: ffff88041fc5b490 R11: ffffea001025b880 R12: ffff8803410f6598 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025017] R13: ffff88023f990238 R14: ffff88032103fe90 R15: ffff88023f9902e0 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025101] FS: 00007f4bc22d8700(0000) GS:ffff88041fc40000(0000) knlGS:0000000000000000 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025256] CR2: 0000000000000016 CR3: 000000040cb64000 CR4: 00000000001407e0 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025346] Stack: | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025371] ffff88032103fe08 ffff8803410f6540 ffff88032103fe58 ffffffff81203612 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025465] ffff88032103fea8 0000800000000000 ffff880247539a60 0000000000000000 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025900] ffff8800daba4000 0000000000000000 ffff88032103fea8 ffff88023f990238 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.025994] Call Trace: | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026030] [<ffffffff81203612>] vfs_unlink+0x172/0x180 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026095] [<ffffffff81206288>] do_unlinkat+0x2b8/0x330 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026163] [<ffffffff810640d5>] ? trace_do_page_fault+0x45/0x100 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026235] [<ffffffff8105be4e>] ? do_async_page_fault+0x1e/0xd0 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026305] [<ffffffff812073e6>] SyS_unlink+0x16/0x20 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026366] [<ffffffff817cb24d>] system_call_fastpath+0x16/0x1b | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026431] Code: 83 ec 08 e8 b3 1d 5b 00 48 89 df e8 db d3 ff ff 48 85 c0 48 89 c3 74 55 48 c7 c7 c4 c4 c0 81 e8 97 39 5b 00 83 05 30 50 9f 00 01 <48> 8b 53 18 48 85 d2 74 1e 0f 1f 80 00 00 00 00 48 8d ba 10 ff | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026831] RIP [<ffffffff81217490>] __detach_mounts+0x40/0x90 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026903] RSP <ffff88032103fdf8> | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.026910] CR2: 0000000000000016 | |
| Sep 21 15:10:47 pr-builder-11 kernel: [ 6071.034978] ---[ end trace 41068904ecfc4da0 ]--- |
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ok lets run all tests w overlay in overlay and see if things improve