Hi, for me this problem persists in 4.9.0 (compiled myself, on debian8). It's reproducible: create new empty filesystem, add files, delete files --> leading to a segfault and unrecoverable corruption of the filesystem. I tried this on two different hard drives, so I would exclude the possibility of a hardware failure.
see attached part of kern.log. cheers, lukas Jan 9 14:33:00 debianPro kernel: [ 338.991315] hfsplus: trying to free free bnode 0(1) Jan 9 14:33:00 debianPro kernel: [ 338.991320] hfsplus: trying to free free bnode 0(1) Jan 9 14:33:00 debianPro kernel: [ 338.991329] hfsplus: trying to free free bnode 0(1) Jan 9 14:33:00 debianPro kernel: [ 338.991349] general protection fault: 0000 [#1] SMP Jan 9 14:33:00 debianPro kernel: [ 338.991374] Modules linked in: bnep binfmt_misc dm_crypt af_alg nls_iso8859_1 nls_cp437 vfat fat btusb btrtl btbcm btintel nls_utf8 hfsplus bluetooth input_leds arc4 hid_generic hid_apple ssb bcm5974 mac80211 cfg80211 usbhid hid applesmc input_polldev iTCO_wdt iTCO_vendor_support x86_pkg_temp_thermal coretemp kvm_intel kvm irqbypass ghash_clmulni_intel aesni_intel aes_x86_64 ablk_helper cryptd lrw glue_helper uvcvideo videobuf2_vmalloc videobuf2_memops snd_pcsp videobuf2_v4l2 videobuf2_core videodev i2c_i801 i2c_smbus bcma snd_hda_codec_hdmi snd_hda_codec_cirrus thunderbolt snd_hda_codec_generic i915 fbcon bitblit softcursor tileblit intel_gtt snd_hda_intel apple_gmux snd_hda_codec snd_hda_core drm_kms_helper snd_hwdep snd_pcm_oss drm snd_mixer_oss snd_pcm video i2c_algo_bit fb_sys_fops snd_timer Jan 9 14:33:00 debianPro kernel: [ 338.991744] syscopyarea snd sysfillrect apple_bl sysimgblt soundcore tpm_tis lpc_ich shpchp tpm_tis_core tpm firewire_sbp2 fuse ppdev lp parport crc32c_intel firewire_ohci firewire_core crc_itu_t sdhci_pci sdhci led_class ahci tg3 ptp libahci pps_core xhci_pci xhci_hcd [last unloaded: b43] Jan 9 14:33:00 debianPro kernel: [ 338.991885] CPU: 1 PID: 6238 Comm: rm Not tainted 4.9.0 #1 Jan 9 14:33:00 debianPro kernel: [ 338.991908] Hardware name: Apple Inc. MacBookPro9,2/Mac-6F01561E16C75D06, BIOS MBP91.88Z.00D3.B0C.1509111653 09/11/2015 Jan 9 14:33:00 debianPro kernel: [ 338.991950] task: ffff88042df2d780 task.stack: ffffc90008e04000 Jan 9 14:33:00 debianPro kernel: [ 338.991973] RIP: 0010:[<ffffffffa0dad78c>] [<ffffffffa0dad78c>] hfsplus_bnode_write+0x94/0x115 [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992014] RSP: 0018:ffffc90008e07c00 EFLAGS: 00010286 Jan 9 14:33:00 debianPro kernel: [ 338.992035] RAX: ffff880000000000 RBX: 0000000000000002 RCX: 0000000000000002 Jan 9 14:33:00 debianPro kernel: [ 338.992063] RDX: 0000160000000000 RSI: ffffc90008e07c56 RDI: ffe7091333456000 Jan 9 14:33:00 debianPro kernel: [ 338.992090] RBP: ffffc90008e07c40 R08: ffffc90008e07c24 R09: ffff88044ccd10d0 Jan 9 14:33:00 debianPro kernel: [ 338.992118] R10: ffffea0011333440 R11: 0000000000000000 R12: ffe7091333456000 Jan 9 14:33:00 debianPro kernel: [ 338.992146] R13: ffff88044ccd1120 R14: 0000000000000002 R15: ffe7091333456000 Jan 9 14:33:00 debianPro kernel: [ 338.992175] FS: 00007f018ffbb700(0000) GS:ffff88046f280000(0000) knlGS:0000000000000000 Jan 9 14:33:00 debianPro kernel: [ 338.992206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jan 9 14:33:00 debianPro kernel: [ 338.992229] CR2: 0000000000c7c118 CR3: 000000045c8ec000 CR4: 00000000001406e0 Jan 9 14:33:00 debianPro kernel: [ 338.992257] Stack: Jan 9 14:33:00 debianPro kernel: [ 338.992268] ffff88044ccd10d0 0000160000000000 ffffc90008e07c56 ffff88044ccd10c0 Jan 9 14:33:00 debianPro kernel: [ 338.992304] ffffc90008e07ce0 0000000000001ffc 0000000000000048 0000000000001ff4 Jan 9 14:33:00 debianPro kernel: [ 338.992340] ffffc90008e07c58 ffffffffa0dad82f c6ff00000000000e ffffc90008e07c98 Jan 9 14:33:00 debianPro kernel: [ 338.992374] Call Trace: Jan 9 14:33:00 debianPro kernel: [ 338.992389] [<ffffffffa0dad82f>] hfsplus_bnode_write_u16+0x22/0x24 [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992421] [<ffffffffa0daf5f8>] hfsplus_brec_remove+0x10d/0x15b [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992453] [<ffffffffa0db147d>] __hfsplus_delete_attr+0x99/0xc0 [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992481] [<ffffffffa0db192b>] hfsplus_delete_all_attrs+0x8b/0xa7 [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992510] [<ffffffffa0daba3e>] hfsplus_delete_cat+0x297/0x2ba [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992539] [<ffffffffa0dac1f6>] hfsplus_unlink+0xdc/0x19e [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992566] [<ffffffff81166acf>] ? __inode_permission+0x82/0xa4 Jan 9 14:33:00 debianPro kernel: [ 338.992590] [<ffffffff81166ddf>] vfs_unlink+0xe1/0x172 Jan 9 14:33:00 debianPro kernel: [ 338.992612] [<ffffffff8116a34a>] do_unlinkat+0x10e/0x218 Jan 9 14:33:00 debianPro kernel: [ 338.992635] [<ffffffff8116ba45>] SyS_unlinkat+0x29/0x2b Jan 9 14:33:00 debianPro kernel: [ 338.992657] [<ffffffff81582f20>] entry_SYSCALL_64_fastpath+0x13/0x94 Jan 9 14:33:00 debianPro kernel: [ 338.992683] Code: 00 00 00 00 00 88 ff ff 48 8b 75 d0 49 01 d7 4c 8b 4d c0 48 63 cb 49 c1 ff 06 48 89 55 c8 49 c1 e7 0c 49 01 c7 4d 01 fc 4c 89 e7 <f3> a4 49 8b 79 50 e8 a1 6e 36 e0 48 8b 55 c8 49 89 d7 41 29 de Jan 9 14:33:00 debianPro kernel: [ 338.992850] RIP [<ffffffffa0dad78c>] hfsplus_bnode_write+0x94/0x115 [hfsplus] Jan 9 14:33:00 debianPro kernel: [ 338.992881] RSP <ffffc90008e07c00> Jan 9 14:33:00 debianPro kernel: [ 338.999072] ---[ end trace 2584710f1bb4e660 ]--- -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1646565 Title: GPF when removing lots of files from hfsplus partition Status in linux package in Ubuntu: Confirmed Bug description: I get a general protection fault when removing a lot of files from an hfsplus partition. Most of the times a reboot solves the problem but with one directory I now get the error all the time. sudo rm -rf myrepos/ Segmentation fault (core dumped) Looking at the kernel logs I find the following: Dec 1 18:30:58 mediabox kernel: [ 349.051902] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.051911] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.071836] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.098296] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.098307] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.099487] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.102019] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.102051] hfsplus: walked past end of dir Dec 1 18:30:58 mediabox kernel: [ 349.104487] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446031] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446059] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446067] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446088] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446103] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446108] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446139] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446145] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446157] hfsplus: walked past end of dir Dec 1 18:31:13 mediabox kernel: [ 364.446162] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040354] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040375] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040381] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040397] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040410] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040415] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040425] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040430] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040440] hfsplus: walked past end of dir Dec 1 18:31:17 mediabox kernel: [ 368.040445] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435299] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435335] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435346] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435376] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435402] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435411] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435433] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435442] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435462] hfsplus: walked past end of dir Dec 1 18:31:18 mediabox kernel: [ 369.435470] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672261] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672289] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672293] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672308] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672315] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672318] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672328] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672330] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672337] hfsplus: walked past end of dir Dec 1 18:31:20 mediabox kernel: [ 370.672340] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.922309] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.922352] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.922366] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.924899] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.925021] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.925054] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.926903] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.926913] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.926933] hfsplus: walked past end of dir Dec 1 18:31:23 mediabox kernel: [ 373.926938] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356546] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356567] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356573] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356589] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356602] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356607] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356628] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356632] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356646] hfsplus: walked past end of dir Dec 1 18:31:26 mediabox kernel: [ 377.356650] hfsplus: walked past end of dir Dec 1 18:32:32 mediabox kernel: [ 442.748981] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749003] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749022] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749040] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749058] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749077] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749096] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749114] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749132] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749150] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749168] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749186] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749204] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749222] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749239] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749257] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749276] hfsplus: trying to free free bnode 0(1) Dec 1 18:32:32 mediabox kernel: [ 442.749298] general protection fault: 0000 [#1] SMP Dec 1 18:32:32 mediabox kernel: [ 442.749324] Modules linked in: joydev hidp nls_utf8 hfsplus rfcomm cmac bnep nls_iso8859_1 intel_rapl x86_pkg_temp_thermal coretemp kvm_intel kvm btusb irqbypass btrtl crct10dif_pclmul crc32_pclmul ghash_clmulni_intel wl(POE) btbcm btintel snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic bluetooth snd_hda_intel snd_hda_codec aesni_intel aes_x86_64 lrw applesmc input_polldev input_leds glue_helper snd_hda_core ablk_helper cryptd intel_cstate snd_hwdep snd_pcm intel_rapl_perf snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer cfg80211 snd mei_me mei thunderbolt soundcore apple_gmux shpchp apple_bl lpc_ich mac_hid parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic hid_appleir usbhid hid uas usb_storage i915 i2c_algo_bit drm_kms_helper ahci firewire_ohci sdhci_pci syscopyarea libahci tg3 sdhci sysfillrect sysimgblt firewire_core fb_sys_fops ptp drm crc_itu_t pps_core video fjes Dec 1 18:32:32 mediabox kernel: [ 442.749760] CPU: 3 PID: 2688 Comm: rm Tainted: P OE 4.8.0-28-generic #30-Ubuntu Dec 1 18:32:32 mediabox kernel: [ 442.749789] Hardware name: Apple Inc. Macmini6,1/Mac-031AEE4D24BFF0B1, BIOS MM61.88Z.0106.B0A.1509111654 09/11/2015 Dec 1 18:32:32 mediabox kernel: [ 442.749825] task: ffff975e1fe92ac0 task.stack: ffff975dc3118000 Dec 1 18:32:32 mediabox kernel: [ 442.749847] RIP: 0010:[<ffffffffc0f988dd>] [<ffffffffc0f988dd>] hfsplus_bnode_write+0x10d/0x150 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.749887] RSP: 0018:ffff975dc311bbe8 EFLAGS: 00010202 Dec 1 18:32:32 mediabox kernel: [ 442.749907] RAX: fff322bcb4d00000 RBX: 0000000000000002 RCX: 0000000000000002 Dec 1 18:32:32 mediabox kernel: [ 442.749932] RDX: 00000000000000ff RSI: ffff975dc311bc2e RDI: ffff975dfaa27540 Dec 1 18:32:32 mediabox kernel: [ 442.749957] RBP: ffff975dc311bc18 R08: ffff975dc311bbfc R09: 0000000000000000 Dec 1 18:32:32 mediabox kernel: [ 442.749982] R10: 0000000000000014 R11: 00000000000004da R12: 0000000000000002 Dec 1 18:32:32 mediabox kernel: [ 442.750007] R13: ffff975dfaa275a0 R14: ffff975dc311bc2e R15: 0000000000000002 Dec 1 18:32:32 mediabox kernel: [ 442.750032] FS: 00007f01dda28700(0000) GS:ffff975e2f2c0000(0000) knlGS:0000000000000000 Dec 1 18:32:32 mediabox kernel: [ 442.750060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Dec 1 18:32:32 mediabox kernel: [ 442.750081] CR2: 00000000008bb0b8 CR3: 00000002327e9000 CR4: 00000000001406e0 Dec 1 18:32:32 mediabox kernel: [ 442.750106] Stack: Dec 1 18:32:32 mediabox kernel: [ 442.750115] ffffb82d83d34000 ffff975dc311bcc8 000000000000000e 0000000000001f2e Dec 1 18:32:32 mediabox kernel: [ 442.750147] ffff975dfaa27540 0000000000001ffc ffff975dc311bc38 ffffffffc0f98954 Dec 1 18:32:32 mediabox kernel: [ 442.750179] d4ff000000002000 0000000085061981 ffff975dc311bc78 ffffffffc0f9ae1b Dec 1 18:32:32 mediabox kernel: [ 442.750212] Call Trace: Dec 1 18:32:32 mediabox kernel: [ 442.750225] [<ffffffffc0f98954>] hfsplus_bnode_write_u16+0x34/0x50 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.750252] [<ffffffffc0f9ae1b>] hfsplus_brec_remove+0x11b/0x170 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.750279] [<ffffffffc0f9d2f0>] __hfsplus_delete_attr+0xb0/0xf0 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.750305] [<ffffffffc0f9d87b>] hfsplus_delete_all_attrs+0x5b/0xd0 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.750333] [<ffffffffc0f96609>] hfsplus_delete_cat+0x219/0x340 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.750359] [<ffffffffc0f96ecd>] hfsplus_unlink+0x7d/0x1c0 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.750385] [<ffffffff83c3dec4>] ? inode_permission+0x14/0x50 Dec 1 18:32:32 mediabox kernel: [ 442.750406] [<ffffffff83c40688>] vfs_unlink+0x108/0x1a0 Dec 1 18:32:32 mediabox kernel: [ 442.750426] [<ffffffff83c44221>] do_unlinkat+0x291/0x310 Dec 1 18:32:32 mediabox kernel: [ 442.750446] [<ffffffff83c44deb>] SyS_unlinkat+0x1b/0x30 Dec 1 18:32:32 mediabox kernel: [ 442.750468] [<ffffffff8429a036>] entry_SYSCALL_64_fastpath+0x1e/0xa8 Dec 1 18:32:32 mediabox kernel: [ 442.750491] Code: 4c 63 fb 48 c1 f8 06 48 c1 e0 0c 48 03 05 3c 2a 8a c3 49 83 ff 08 73 81 41 f6 c7 04 75 3a 4d 85 ff 74 a2 41 0f b6 16 41 f6 c7 02 <88> 10 74 96 43 0f b7 54 3e fe 66 42 89 54 38 fe 49 8b 7d 00 e8 Dec 1 18:32:32 mediabox kernel: [ 442.750664] RIP [<ffffffffc0f988dd>] hfsplus_bnode_write+0x10d/0x150 [hfsplus] Dec 1 18:32:32 mediabox kernel: [ 442.750693] RSP <ffff975dc311bbe8> Dec 1 18:32:32 mediabox kernel: [ 442.759498] ---[ end trace 981c31958cf3b62e ]--- ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: linux-image-4.8.0-28-generic 4.8.0-28.30 ProcVersionSignature: Ubuntu 4.8.0-28.30-generic 4.8.6 Uname: Linux 4.8.0-28-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.3-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mikael 1887 F.... pulseaudio CurrentDesktop: Unity Date: Thu Dec 1 18:48:29 2016 HibernationDevice: RESUME=UUID=aaaade4e-4fe4-42d5-8d48-7948aa130fa3 InstallationDate: Installed on 2016-11-24 (6 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) MachineType: Apple Inc. Macmini6,1 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-28-generic.efi.signed root=UUID=90d056b3-18d6-4338-a856-8940073c6409 ro quiet splash RelatedPackageVersions: linux-restricted-modules-4.8.0-28-generic N/A linux-backports-modules-4.8.0-28-generic N/A linux-firmware 1.161 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/11/2015 dmi.bios.vendor: Apple Inc. dmi.bios.version: MM61.88Z.0106.B0A.1509111654 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-031AEE4D24BFF0B1 dmi.board.vendor: Apple Inc. dmi.board.version: Macmini6,1 dmi.chassis.type: 16 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-031AEE4D24BFF0B1 dmi.modalias: dmi:bvnAppleInc.:bvrMM61.88Z.0106.B0A.1509111654:bd09/11/2015:svnAppleInc.:pnMacmini6,1:pvr1.0:rvnAppleInc.:rnMac-031AEE4D24BFF0B1:rvrMacmini6,1:cvnAppleInc.:ct16:cvrMac-031AEE4D24BFF0B1: dmi.product.name: Macmini6,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. 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