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I have had Ubuntu installed on my system for the past few weeks and I keep getting a kerneloops General Protection Fault. I think it is related to my AMD Raedon HD 5650 because I took it out of my computer and experienced no kerneloops. I have had this card for 5 years and recently migrated to a 64 bit OS, so I don't know if that's what is causing my issue. I found this when looking in sys.log

kernel: [ 1041.562002] general protection fault: 0000 [#1] SMP 
kernel: [ 1041.562004] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) rfcomm bnep bluetooth binfmt_misc joydev hid_microsoft usbhid hid snd_hda_codec_hdmi eeepc_wmi asus_wmi sparse_keymap mxm_wmi x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul snd_hda_codec_realtek crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_intel snd_hda_codec snd_hwdep snd_pcm serio_raw snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer fglrx(POF) snd mei_me mei soundcore amd_iommu_v2 parport_pc video ppdev mac_hid acpi_pad wmi lp parport e1000e ahci psmouse ptp libahci pps_core
kernel: [ 1041.562025] CPU: 1 PID: 2476 Comm: CIPCServer::Thr Tainted: PF          O 3.13.0-32-generic #57-Ubuntu
kernel: [ 1041.562026] Hardware name: ASUS All Series/Z97-A, BIOS 0604 04/15/2014
kernel: [ 1041.562027] task: ffff88020f37dfc0 ti: ffff8800a8808000 task.ti: ffff8800a8808000
kernel: [ 1041.562028] RIP: 0010:[<ffffffff8117cce5>]  [<ffffffff8117cce5>] vma_compute_subtree_gap+0x15/0x50
kernel: [ 1041.562032] RSP: 0018:ffff8800a8809d78  EFLAGS: 00010286
kernel: [ 1041.562033] RAX: 00000000dbc00000 RBX: ffff88002c58ece0 RCX: ffff88002c58ec20
kernel: [ 1041.562034] RDX: fff78800a5ab30c0 RSI: ffff88002c58eb40 RDI: ffff88002c58ecc0
kernel: [ 1041.562034] RBP: ffff8800a8809d78 R08: ffff88002c58ec20 R09: ffff88002c58eb40
kernel: [ 1041.562035] R10: 00000000dbdfa000 R11: 0000000000100073 R12: ffff88002c58eb60
kernel: [ 1041.562036] R13: ffff8800a6573b80 R14: 000000007e3e0000 R15: ffff88002c58ec20
kernel: [ 1041.562037] FS:  0000000000000000(0000) GS:ffff88023ec80000(0063) knlGS:00000000e8344b40
kernel: [ 1041.562037] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
kernel: [ 1041.562038] CR2: 00000000dbc3f002 CR3: 000000022f33c000 CR4: 00000000001407e0
kernel: [ 1041.562039] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kernel: [ 1041.562039] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kernel: [ 1041.562040] Stack:
kernel: [ 1041.562040]  ffff8800a8809db0 ffffffff8117d990 ffff8800a6573b80 ffff88002c58eb40
kernel: [ 1041.562042]  ffff88002c58ec20 ffff88002c58ec28 ffff88002c58ec00 ffff8800a8809df0
kernel: [ 1041.562043]  ffffffff8117da7f ffffffff8117fe58 ffff88002c58ec28 00000000dbd79000
kernel: [ 1041.562044] Call Trace:
kernel: [ 1041.562047]  [<ffffffff8117d990>] __vma_link_rb+0xa0/0xe0
kernel: [ 1041.562049]  [<ffffffff8117da7f>] vma_link+0xaf/0xc0
kernel: [ 1041.562050]  [<ffffffff8117fe58>] ? mmap_region+0x348/0x600
kernel: [ 1041.562052]  [<ffffffff8117ff81>] mmap_region+0x471/0x600
kernel: [ 1041.562053]  [<ffffffff8118045e>] do_mmap_pgoff+0x34e/0x3d0
kernel: [ 1041.562055]  [<ffffffff8116ab8d>] vm_mmap_pgoff+0x8d/0xc0
kernel: [ 1041.562057]  [<ffffffff8117e996>] SyS_mmap_pgoff+0x116/0x270
kernel: [ 1041.562059]  [<ffffffff8172e36c>] sysenter_dispatch+0x7/0x21
kernel: [ 1041.562060] Code: 38 e2 00 48 89 e5 31 c0 48 85 d2 48 0f 49 c2 5d c3 0f 1f 44 00 00 0f 1f 44 00 00 48 8b 57 18 55 48 8b 07 48 89 e5 48 85 d2 74 04 <48> 2b 42 08 48 8b 57 30 48 85 d2 74 0b 48 8b 52 18 48 39 d0 48 
kernel: [ 1041.562072] RIP  [<ffffffff8117cce5>] vma_compute_subtree_gap+0x15/0x50
kernel: [ 1041.562073]  RSP <ffff8800a8809d78>
kernel: [ 1041.562075] ---[ end trace e262774f21387539 ]---

I have tried reinstalling graphics card drivers, ran memtest, did a check of my filesystem, but nothing has corrected the problem. can somebody help me?

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I've been having the same issue, though I suspect related to VirtualBox. Do you have that in active use by any chance? –  jaywink Sep 5 at 8:08

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