Re: hfsplus volume suddenly inaccessable after 'hfs: recoff %d too large'

[Hin-Tak Leung <htl10@users.sourceforge.net>]

Hi Michael,

Argh, that looks suspiciously like the recurring problem I have been trying to pin down for the much of the last year. My current thinking is that one of the patches posted a couple of weeks ago might help. That patch addresses out-of-memory conditions in caching of metadata, in a nutshell. I think if (1) the system is under memory stress, (2) one is doing something which transverse the file system very quickly, (3) on a mult-CPU/core system, it is possible to run some mutexed non-re-entrant code in the hfsplus simultaneously without a mutex lock, and therefore get it a bit confused. This idea at least explains why (1) adding an inner mutex lock can delay the problem although supposedly the outer mutex should have prevented more than one copy of the non-re-entrant code from being run and the inner mutex lock should have no effect at all, (2) the on-disk data is always fsck'ed okay - it is just the driver itself getting confused.

So I have a few questions for you:

1. You are on a quad-core system, correct? This is according to your /proc/cpuinfo below.

2. You are certainly doing fast file system transversal (updatedb), but are you actually doing it *on top of the hfsplus* file system? I am asking this because updatedb is usually configured not the index removable media under /mnt or /media . But you mentioned you have the hfsplus system mounted under /home - please confirm that and include some more details if you can.

3. How full and populous is that hfs+ file system? i.e. the output of both "df" and "df -i" while it is mounted. Is this your Mac OS X system (root / ) disk?

4. Is your system under memory stress at the moment the problem happens - e.g. you have a web browser with a few hundred tabs open?

Hin-Tak

--- On Thu, 4/4/13, Vyacheslav Dubeyko <slava@dubeyko.com> wrote:

> Hi Michael,
> 
> On Apr 4, 2013, at 9:43 PM, Michael Fox wrote:
> 
> > After reboot I tried running 'fsck -f' but no
> additional data 'The
> > volume appears to be OK'. Output looks like:
> > 
> > m@air:~$ sudo fsck -fd /dev/sda5
> > fsck from util-linux 2.20.1
> > ** /dev/sda5
> >        Using cacheBlockSize=32K
> cacheTotalBlock=1024 cacheSize=32768K.
> > ** Checking HFS Plus volume.
> > ** Checking Extents Overflow file.
> > ** Checking Catalog file.
> > ** Checking multi-linked files.
> > ** Checking Catalog hierarchy.
> > ** Checking Extended Attributes file.
> > ** Checking volume bitmap.
> > ** Checking volume information.
> > ** The volume Macintosh HD appears to be OK.
> > 
> 
> Thank you for the issue report.
> 
> As I understand, you are using this partition under Linux
> and Mac OS X too. Could you share version of Mac OS X?
> 
> Could you share more details about hfsplus volume? 
> 
> I need to know:
> 1. Output of "cat /proc/partitions".
> 2. Output of "mount" for the case of mounted state of the
> hfsplus volume.
> 3. How the hfsplus volume was created?
> 4. What content this hfsplus volume does contain?
> 
> Maybe, I will need in making dumps of metadata on your
> volume. Can I ask you about sharing these dumps?
> 
> Thanks,
> Vyacheslav Dubeyko.
> 
> > 
> > On Thu, Apr 4, 2013 at 10:23 AM, Michael Fox <415fox@gmail.com>
> wrote:
> >> I get a crash coming from hfsplus driver. It seems
> related to a fixed
> >> bug it might be that this fix needs to be applied
> elsewhere:
> >> 
> >> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aac4e4198eff7f9551d586c55342403d49249d95
> >> 
> >> Because I do get the 'hfs: recoff %d too large'
> message, but
> >> hfsplus_bnode_read is being called from
> hfsplus_bref_find and the fix
> >> was only applied when it's being called by
> hfs_brec_keylen
> >> 
> >> My kernel is ubuntu mainline: Linux air
> 3.8.2-030802-generic
> >> #201303031906 SMP Mon Mar 4 00:07:09 UTC 2013
> x86_64 x86_64 x86_64
> >> GNU/Linux
> >> 
> >> The dmesg shows:
> >> 
> >> [119866.587029] hfs: recoff 28514 too large
> >> [119866.587072] general protection fault: 0000 [#1]
> SMP
> >> [119866.588590] Modules linked in: nls_utf8 hfsplus
> snd_hda_codec_hdmi
> >> snd_hda_codec_cirrus ip6table_filter ip6_tables
> ebtable_nat ebtables
> >> pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF)
> hid_microsoft
> >> ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat
> nf_conntrack_ipv4
> >> nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT
> xt_CHECKSUM
> >> iptable_mangle xt_tcpudp iptable_filter ip_tables
> x_tables bridge
> >> vboxdrv(OF) stp llc asix usbnet btusb bluetooth
> hid_generic coretemp
> >> kvm_intel arc4 kvm brcmsmac ghash_clmulni_intel
> usb_storage mac80211
> >> brcmutil hid_apple aesni_intel cfg80211 ablk_helper
> cryptd joydev
> >> uvcvideo lrw videobuf2_core aes_x86_64 xts
> parport_pc gf128mul
> >> videodev videobuf2_vmalloc cordic ppdev
> videobuf2_memops usbhid
> >> snd_hda_intel hid bcm5974 snd_hda_codec snd_hwdep
> snd_pcm applesmc
> >> input_polldev snd_seq_midi snd_rawmidi
> snd_seq_midi_event snd_seq
> >> snd_timer snd_seq_device i915 microcode nfsd
> nfs_acl auth_rpcgss snd
> >> lpc_ich nfs fscache lockd mac_hid drm_kms_helper
> binfmt_misc bcma drm
> >> sunrpc soundcore snd_page_alloc i2c_algo_bit
> apple_bl video mei lp
> >> parport
> >> [119866.600901] CPU 0
> >> [119866.600936] Pid: 17859, comm: updatedb.mlocat
> Tainted: GF
> >> O 3.8.2-030802-generic #201303031906 Apple Inc.
> >> MacBookAir4,2/Mac-742912EFDBEE19B3
> >> [119866.606181] RIP:
> 0010:[<ffffffff8135c8b2>] 
> [<ffffffff8135c8b2>]
> >> memcpy+0x12/0x110
> >> [119866.607605] RSP: 0018:ffff880106cf1a80 
> EFLAGS: 00010202
> >> [119866.609008] RAX: ffff880106cf1b04 RBX:
> ffff880106cf1b04 RCX:
> >> 0000000000000001
> >> [119866.610431] RDX: 0000000000000001 RSI:
> 0005080000000fff RDI:
> >> ffff880106cf1b04
> >> [119866.611871] RBP: ffff880106cf1ad8 R08:
> 0000000000000009 R09:
> >> ffff880000000000
> >> [119866.613320] R10: 0000000000000a31 R11:
> 0000000000000a30 R12:
> >> 0000000000000004
> >> [119866.614796] R13: 0000000000000001 R14:
> 0000000000000001 R15:
> >> ffff88005fc25780
> >> [119866.616282] FS:  00007facc122c700(0000)
> GS:ffff88016fa00000(0000)
> >> knlGS:0000000000000000
> >> [119866.617809] CS:  0010 DS: 0000 ES: 0000
> CR0: 0000000080050033
> >> [119866.619344] CR2: 00007facc1253000 CR3:
> 0000000169bf9000 CR4:
> >> 00000000000407f0
> >> [119866.620906] DR0: 0000000000000000 DR1:
> 0000000000000000 DR2:
> >> 0000000000000000
> >> [119866.622476] DR3: 0000000000000000 DR6:
> 00000000ffff0ff0 DR7:
> >> 0000000000000400
> >> [119866.624048] Process updatedb.mlocat (pid:
> 17859, threadinfo
> >> ffff880106cf0000, task ffff88013d082e80)
> >> [119866.625649] Stack:
> >> [119866.627238]  ffffffffa07ceb9f
> ffff880000000000 0000160000000000
> >> 0000000000000009
> >> [119866.628879]  0000000000000001
> ffff88016a339320 ffff88005fc25780
> >> 0000000000000003
> >> [119866.630527]  0000000000008d3e
> ffff880106cf1b58 ffff880005499000
> >> ffff880106cf1b38
> >> [119866.632181] Call Trace:
> >> [119866.633810]  [<ffffffffa07ceb9f>] ?
> hfsplus_bnode_read+0x9f/0x120 [hfsplus]
> >> [119866.635462]  [<ffffffffa07d12c9>]
> hfsplus_brec_find+0x79/0x150 [hfsplus]
> >> [119866.637123]  [<ffffffff816e9ecd>] ?
> mutex_lock+0x1d/0x50
> >> [119866.638785]  [<ffffffff811ad220>] ?
> fillonedir+0xf0/0xf0
> >> [119866.640443]  [<ffffffffa07cd237>]
> hfsplus_readdir+0xc7/0x4b0 [hfsplus]
> >> [119866.642117]  [<ffffffff8115b5cf>] ?
> do_anonymous_page.isra.35+0x23f/0x2f0
> >> [119866.643801]  [<ffffffff81191cc9>] ?
> memcg_check_events+0x29/0x50
> >> [119866.645499]  [<ffffffff812d877c>] ?
> security_inode_permission+0x1c/0x30
> >> [119866.647217]  [<ffffffff811a65f8>] ?
> __inode_permission+0x48/0xd0
> >> [119866.648950]  [<ffffffff812d8d19>] ?
> security_file_open+0x79/0x80
> >> [119866.650675]  [<ffffffff81087d8a>] ?
> lg_local_unlock+0x1a/0x20
> >> [119866.652395]  [<ffffffff811ba0d9>] ?
> mntput_no_expire+0x49/0x160
> >> [119866.654111]  [<ffffffff811ba216>] ?
> mntput+0x26/0x40
> >> [119866.655799]  [<ffffffff811a4c82>] ?
> path_put+0x22/0x30
> >> [119866.657439]  [<ffffffff811a4d0d>] ?
> terminate_walk+0x3d/0x50
> >> [119866.659082]  [<ffffffff811a998c>] ?
> do_last+0x25c/0x820
> >> [119866.660732]  [<ffffffff811aa003>] ?
> path_openat+0xb3/0x4d0
> >> [119866.662386]  [<ffffffff811a6599>] ?
> putname+0x29/0x40
> >> [119866.664043]  [<ffffffff811aa793>] ?
> user_path_at_empty+0x63/0xa0
> >> [119866.665709]  [<ffffffff81311b94>] ?
> apparmor_inode_getattr+0x54/0x60
> >> [119866.667383]  [<ffffffff811ad220>] ?
> fillonedir+0xf0/0xf0
> >> [119866.669066]  [<ffffffff811ad100>]
> vfs_readdir+0xb0/0xe0
> >> [119866.670752]  [<ffffffff811a00aa>] ?
> sys_newfstat+0x2a/0x40
> >> [119866.672434]  [<ffffffff811ad43e>]
> sys_getdents+0x8e/0x110
> >> [119866.674027]  [<ffffffff816f511d>]
> system_call_fastpath+0x1a/0x1f
> >> [119866.675572] Code: 4e 48 83 c4 08 5b 5d c3 90 e8
> fb fd ff ff eb e6
> >> 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 48 c1
> e9 03 83 e2 07 f3
> >> 48 a5 89 d1 <f3> a4 c3 20 4c 8b 06 4c 8b 4e
> 08 4c 8b 56 10 4c 8b 5e 18
> >> 48 8d
> >> [119866.680657] RIP 
> [<ffffffff8135c8b2>] memcpy+0x12/0x110
> >> [119866.683372]  RSP <ffff880106cf1a80>
> >> [119866.706034] ---[ end trace 9082f8a67f156e96
> ]---
> >> 
> >> I can't reproduce it. It just came out of the
> blue.
> >> 
> >> Output of ver_linux is:
> >> 
> >> root@air:/var/log#
> /usr/src/linux-headers-3.8.2-030802-generic/scripts/ver_linux
> >> If some fields are empty or look unusual you may
> have an old version.
> >> Compare to the current minimal requirements in
> Documentation/Changes.
> >> 
> >> Linux air 3.8.2-030802-generic #201303031906 SMP
> Mon Mar 4 00:07:09
> >> UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
> >> 
> >> Gnu C           
>       4.7
> >> Gnu make           
>    3.81
> >> binutils           
>    2.22.90.20120924
> >> util-linux         
>    2.20.1
> >> mount           
>       support
> >> module-init-tools      3.16
> >> e2fsprogs           
>   1.42.5
> >> PPP             
>       2.4.5
> >> Linux C Library        2.15
> >> Dynamic linker (ldd)   2.15
> >> Procps           
>      3.3.3
> >> Net-tools           
>   1.60
> >> Kbd             
>       1.15.3
> >> Sh-utils           
>    8.13
> >> wireless-tools     
>    30
> >> Modules Loaded     
>    nls_utf8 hfsplus snd_hda_codec_hdmi
> >> snd_hda_codec_cirrus ip6table_filter ip6_tables
> ebtable_nat ebtables
> >> pci_stub vboxpci vboxnetadp vboxnetflt
> hid_microsoft ipt_MASQUERADE
> >> iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4
> nf_defrag_ipv4
> >> xt_state nf_conntrack ipt_REJECT xt_CHECKSUM
> iptable_mangle xt_tcpudp
> >> iptable_filter ip_tables x_tables bridge vboxdrv
> stp llc asix usbnet
> >> btusb bluetooth hid_generic coretemp kvm_intel arc4
> kvm brcmsmac
> >> ghash_clmulni_intel usb_storage mac80211 brcmutil
> hid_apple
> >> aesni_intel cfg80211 ablk_helper cryptd joydev
> uvcvideo lrw
> >> videobuf2_core aes_x86_64 xts parport_pc gf128mul
> videodev
> >> videobuf2_vmalloc cordic ppdev videobuf2_memops
> usbhid snd_hda_intel
> >> hid bcm5974 snd_hda_codec snd_hwdep snd_pcm
> applesmc input_polldev
> >> snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq
> snd_timer
> >> snd_seq_device i915 microcode nfsd nfs_acl
> auth_rpcgss snd lpc_ich nfs
> >> fscache lockd mac_hid drm_kms_helper binfmt_misc
> bcma drm sunrpc
> >> soundcore snd_page_alloc i2c_algo_bit apple_bl
> video mei lp parport
> >> 
> >> Here's a form that's suggested to fill out:
> >> 
> >> [1.] One line summary of the problem:
> >> 
> >> hfsplus volume suddenly inaccessable after 'hfs:
> recoff %d too large'
> >> 
> >> 
> >> [2.] Full description of the problem/report:
> >> 
> >> Suddenly my screen is replaced by a stack trace and
> a general protection fault.
> >> 
> >> I had an OSX filesystem mounted and linked from my
> home directory. It looks like
> >> 
> >> updatedb.mlocat was scanning the file systems at
> the time.
> >> 
> >> 
> >> [3.] Keywords (i.e., modules, networking, kernel):
> >> hfsplus
> >> 
> >> [4.] Kernel version (from /proc/version):
> >> Linux version 3.8.2-030802-generic (root@gomeisa)
> (gcc version 4.6.3
> >> (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201303031906 SMP
> Mon Mar 4 00:07:09
> >> UTC 2013
> >> 
> >> 
> >> [5.] Output of Oops.. message (if applicable) with
> symbolic information
> >> 
> >> [119866.587029] hfs: recoff 28514 too large
> >> [119866.587072] general protection fault: 0000 [#1]
> SMP
> >> [119866.588590] Modules linked in: nls_utf8 hfsplus
> snd_hda_codec_hdmi
> >> snd_hda_codec_cirrus ip6table_filter ip6_tables
> ebtable_nat ebtables
> >> pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF)
> hid_microsoft
> >> ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat
> nf_conntrack_ipv4
> >> nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT
> xt_CHECKSUM
> >> iptable_mangle xt_tcpudp iptable_filter ip_tables
> x_tables bridge
> >> vboxdrv(OF) stp llc asix usbnet btusb bluetooth
> hid_generic coretemp
> >> kvm_intel arc4 kvm brcmsmac ghash_clmulni_intel
> usb_storage mac80211
> >> brcmutil hid_apple aesni_intel cfg80211 ablk_helper
> cryptd joydev
> >> uvcvideo lrw videobuf2_core aes_x86_64 xts
> parport_pc gf128mul
> >> videodev videobuf2_vmalloc cordic ppdev
> videobuf2_memops usbhid
> >> snd_hda_intel hid bcm5974 snd_hda_codec snd_hwdep
> snd_pcm applesmc
> >> input_polldev snd_seq_midi snd_rawmidi
> snd_seq_midi_event snd_seq
> >> snd_timer snd_seq_device i915 microcode nfsd
> nfs_acl auth_rpcgss snd
> >> lpc_ich nfs fscache lockd mac_hid drm_kms_helper
> binfmt_misc bcma drm
> >> sunrpc soundcore snd_page_alloc i2c_algo_bit
> apple_bl video mei lp
> >> parport
> >> 
> >> [119866.600901] CPU 0
> >> [119866.600936] Pid: 17859, comm: updatedb.mlocat
> Tainted: GF
> >> O 3.8.2-030802-generic #201303031906 Apple Inc.
> >> MacBookAir4,2/Mac-742912EFDBEE19B3
> >> [119866.606181] RIP:
> 0010:[<ffffffff8135c8b2>] 
> [<ffffffff8135c8b2>]
> >> memcpy+0x12/0x110
> >> 
> >> [119866.607605] RSP: 0018:ffff880106cf1a80 
> EFLAGS: 00010202
> >> [119866.609008] RAX: ffff880106cf1b04 RBX:
> ffff880106cf1b04 RCX:
> >> 0000000000000001
> >> [119866.610431] RDX: 0000000000000001 RSI:
> 0005080000000fff RDI:
> >> ffff880106cf1b04
> >> 
> >> [119866.611871] RBP: ffff880106cf1ad8 R08:
> 0000000000000009 R09:
> >> ffff880000000000
> >> [119866.613320] R10: 0000000000000a31 R11:
> 0000000000000a30 R12:
> >> 0000000000000004
> >> [119866.614796] R13: 0000000000000001 R14:
> 0000000000000001 R15:
> >> ffff88005fc25780
> >> 
> >> [119866.616282] FS:  00007facc122c700(0000)
> GS:ffff88016fa00000(0000)
> >> knlGS:0000000000000000
> >> [119866.617809] CS:  0010 DS: 0000 ES: 0000
> CR0: 0000000080050033
> >> [119866.619344] CR2: 00007facc1253000 CR3:
> 0000000169bf9000 CR4:
> >> 00000000000407f0
> >> 
> >> [119866.620906] DR0: 0000000000000000 DR1:
> 0000000000000000 DR2:
> >> 0000000000000000
> >> [119866.622476] DR3: 0000000000000000 DR6:
> 00000000ffff0ff0 DR7:
> >> 0000000000000400
> >> [119866.624048] Process updatedb.mlocat (pid:
> 17859, threadinfo
> >> ffff880106cf0000, task ffff88013d082e80)
> >> 
> >> [119866.625649] Stack:
> >> [119866.627238]  ffffffffa07ceb9f
> ffff880000000000 0000160000000000
> >> 0000000000000009
> >> [119866.628879]  0000000000000001
> ffff88016a339320 ffff88005fc25780
> >> 0000000000000003
> >> [119866.630527]  0000000000008d3e
> ffff880106cf1b58 ffff880005499000
> >> ffff880106cf1b38
> >> 
> >> [119866.632181] Call Trace:
> >> [119866.633810]  [<ffffffffa07ceb9f>] ?
> hfsplus_bnode_read+0x9f/0x120 [hfsplus]
> >> [119866.635462]  [<ffffffffa07d12c9>]
> hfsplus_brec_find+0x79/0x150 [hfsplus]
> >> [119866.637123]  [<ffffffff816e9ecd>] ?
> mutex_lock+0x1d/0x50
> >> 
> >> [119866.638785]  [<ffffffff811ad220>] ?
> fillonedir+0xf0/0xf0
> >> [119866.640443]  [<ffffffffa07cd237>]
> hfsplus_readdir+0xc7/0x4b0 [hfsplus]
> >> [119866.642117]  [<ffffffff8115b5cf>] ?
> do_anonymous_page.isra.35+0x23f/0x2f0
> >> 
> >> [119866.643801]  [<ffffffff81191cc9>] ?
> memcg_check_events+0x29/0x50
> >> [119866.645499]  [<ffffffff812d877c>] ?
> security_inode_permission+0x1c/0x30
> >> [119866.647217]  [<ffffffff811a65f8>] ?
> __inode_permission+0x48/0xd0
> >> 
> >> [119866.648950]  [<ffffffff812d8d19>] ?
> security_file_open+0x79/0x80
> >> [119866.650675]  [<ffffffff81087d8a>] ?
> lg_local_unlock+0x1a/0x20
> >> [119866.652395]  [<ffffffff811ba0d9>] ?
> mntput_no_expire+0x49/0x160
> >> 
> >> [119866.654111]  [<ffffffff811ba216>] ?
> mntput+0x26/0x40
> >> [119866.655799]  [<ffffffff811a4c82>] ?
> path_put+0x22/0x30
> >> [119866.657439]  [<ffffffff811a4d0d>] ?
> terminate_walk+0x3d/0x50
> >> [119866.659082]  [<ffffffff811a998c>] ?
> do_last+0x25c/0x820
> >> 
> >> [119866.660732]  [<ffffffff811aa003>] ?
> path_openat+0xb3/0x4d0
> >> [119866.662386]  [<ffffffff811a6599>] ?
> putname+0x29/0x40
> >> [119866.664043]  [<ffffffff811aa793>] ?
> user_path_at_empty+0x63/0xa0
> >> [119866.665709]  [<ffffffff81311b94>] ?
> apparmor_inode_getattr+0x54/0x60
> >> 
> >> [119866.667383]  [<ffffffff811ad220>] ?
> fillonedir+0xf0/0xf0
> >> [119866.669066]  [<ffffffff811ad100>]
> vfs_readdir+0xb0/0xe0
> >> [119866.670752]  [<ffffffff811a00aa>] ?
> sys_newfstat+0x2a/0x40
> >> [119866.672434]  [<ffffffff811ad43e>]
> sys_getdents+0x8e/0x110
> >> 
> >> [119866.674027]  [<ffffffff816f511d>]
> system_call_fastpath+0x1a/0x1f
> >> [119866.675572] Code: 4e 48 83 c4 08 5b 5d c3 90 e8
> fb fd ff ff eb e6
> >> 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 48 c1
> e9 03 83 e2 07 f3
> >> 48 a5 89 d1 <f3> a4 c3 20 4c 8b 06 4c 8b 4e
> 08 4c 8b 56 10 4c 8b 5e 18
> >> 48 8d
> >> 
> >> [119866.680657] RIP 
> [<ffffffff8135c8b2>] memcpy+0x12/0x110
> >> [119866.683372]  RSP <ffff880106cf1a80>
> >> [119866.706034] ---[ end trace 9082f8a67f156e96
> ]---
> >> 
> >>     resolved (see
> Documentation/oops-tracing.txt)
> >> [6.] A small shell script or example program which
> triggers the
> >>     problem (if possible)
> >> 
> >> Sorry. No idea.
> >> 
> >> 
> >> [7.] Environment
> >> 
> >> Macbook running ubuntu. Disk includes hfsplus
> filesystem containing
> >> OSX as well as
> >> 
> >> linux ext4 and an un-journaled hfsplus system for
> sharing between the
> >> two systems.
> >> 
> >> 
> >> The OSX hfsplus partition which is journaled was
> the one affected, I
> >> think, because
> >> 
> >> it was inaccessible afterwards.
> >> 
> >> 
> >> [7.1.] Software (add the output of the ver_linux
> script here)
> >> 
> >> 
> >> root@air:/var/log#
> /usr/src/linux-headers-3.8.2-030802-generic/scripts/ver_linux
> >> If some fields are empty or look unusual you may
> have an old version.
> >> Compare to the current minimal requirements in
> Documentation/Changes.
> >> 
> >> 
> >> Linux air 3.8.2-030802-generic #201303031906 SMP
> Mon Mar 4 00:07:09
> >> UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
> >> 
> >> Gnu C           
>       4.7
> >> Gnu make           
>    3.81
> >> binutils           
>    2.22.90.20120924
> >> 
> >> util-linux         
>    2.20.1
> >> mount           
>       support
> >> module-init-tools      3.16
> >> e2fsprogs           
>   1.42.5
> >> PPP             
>       2.4.5
> >> Linux C Library        2.15
> >> Dynamic linker (ldd)   2.15
> >> 
> >> Procps           
>      3.3.3
> >> Net-tools           
>   1.60
> >> Kbd             
>       1.15.3
> >> Sh-utils           
>    8.13
> >> wireless-tools     
>    30
> >> Modules
> >> Loaded     
>    nls_utf8 hfsplus snd_hda_codec_hdmi
> snd_hda_codec_cirrus
> >> ip6table_filter ip6_tables ebtable_nat ebtables
> pci_stub vboxpci
> >> vboxnetadp vboxnetflt hid_microsoft ipt_MASQUERADE
> iptable_nat
> >> nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4
> xt_state
> >> nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle
> xt_tcpudp
> >> iptable_filter ip_tables x_tables bridge vboxdrv
> stp llc asix usbnet
> >> btusb bluetooth hid_generic coretemp kvm_intel arc4
> kvm brcmsmac
> >> ghash_clmulni_intel usb_storage mac80211 brcmutil
> hid_apple aesni_intel
> >> cfg80211 ablk_helper cryptd joydev uvcvideo lrw
> videobuf2_core
> >> aes_x86_64 xts parport_pc gf128mul videodev
> videobuf2_vmalloc cordic
> >> ppdev videobuf2_memops usbhid snd_hda_intel hid
> bcm5974 snd_hda_codec
> >> snd_hwdep snd_pcm applesmc input_polldev
> snd_seq_midi snd_rawmidi
> >> snd_seq_midi_event snd_seq snd_timer snd_seq_device
> i915 microcode nfsd
> >> nfs_acl auth_rpcgss snd lpc_ich nfs fscache lockd
> mac_hid drm_kms_helper
> >> binfmt_misc bcma drm sunrpc soundcore
> snd_page_alloc i2c_algo_bit
> >> apple_bl video mei lp parport
> >> 
> >> [7.2.] Processor information (from /proc/cpuinfo):
> >> root@air:/var/log# cat /proc/cpuinfo
> >> processor       : 0
> >> vendor_id       :
> GenuineIntel
> >> cpu family      : 6
> >> model       
>    : 42
> >> 
> >> model name      : Intel(R) Core(TM)
> i5-2557M CPU @ 1.70GHz
> >> stepping        : 7
> >> microcode       : 0x1a
> >> cpu MHz         :
> 800.000
> >> cache size      : 3072 KB
> >> physical id     : 0
> >> siblings        : 4
> >> core id         : 0
> >> 
> >> cpu cores       : 2
> >> apicid          : 0
> >> initial apicid  : 0
> >> fpu         
>    : yes
> >> fpu_exception   : yes
> >> cpuid level     : 13
> >> wp             
> : yes
> >> flags       
>    : fpu vme de pse tsc msr pae mce cx8 apic
> sep mtrr pge
> >> mca cmov pat pse36 clflush dts acpi mmx fxsr sse
> sse2 ss ht tm pbe
> >> syscall nx rdtscp lm constant_tsc arch_perfmon pebs
> bts rep_good nopl
> >> xtopology nonstop_tsc aperfmperf eagerfpu pni
> pclmulqdq dtes64 monitor
> >> ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid
> sse4_1 sse4_2 x2apic
> >> popcnt tsc_deadline_timer aes xsave avx lahf_lm ida
> arat xsaveopt pln
> >> pts dtherm tpr_shadow vnmi flexpriority ept vpid
> >> 
> >> bogomips        : 3399.68
> >> clflush size    : 64
> >> cache_alignment : 64
> >> address sizes   : 36 bits physical,
> 48 bits virtual
> >> power management:
> >> 
> >> 
> >> processor       : 1
> >> vendor_id       :
> GenuineIntel
> >> cpu family      : 6
> >> 
> >> model       
>    : 42
> >> model name      : Intel(R) Core(TM)
> i5-2557M CPU @ 1.70GHz
> >> stepping        : 7
> >> microcode       : 0x1a
> >> cpu MHz         :
> 800.000
> >> cache size      : 3072 KB
> >> physical id     : 0
> >> siblings        : 4
> >> 
> >> core id         : 1
> >> cpu cores       : 2
> >> apicid          : 2
> >> initial apicid  : 2
> >> fpu         
>    : yes
> >> fpu_exception   : yes
> >> cpuid level     : 13
> >> wp             
> : yes
> >> flags       
>    : fpu vme de pse tsc msr pae mce cx8 apic
> sep mtrr pge
> >> mca cmov pat pse36 clflush dts acpi mmx fxsr sse
> sse2 ss ht tm pbe
> >> syscall nx rdtscp lm constant_tsc arch_perfmon pebs
> bts rep_good nopl
> >> xtopology nonstop_tsc aperfmperf eagerfpu pni
> pclmulqdq dtes64 monitor
> >> ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid
> sse4_1 sse4_2 x2apic
> >> popcnt tsc_deadline_timer aes xsave avx lahf_lm ida
> arat xsaveopt pln
> >> pts dtherm tpr_shadow vnmi flexpriority ept vpid
> >> 
> >> bogomips        : 3399.68
> >> clflush size    : 64
> >> cache_alignment : 64
> >> address sizes   : 36 bits physical,
> 48 bits virtual
> >> power management:
> >> 
> >> processor       : 2
> >> vendor_id       :
> GenuineIntel
> >> cpu family      : 6
> >> 
> >> model       
>    : 42
> >> model name      : Intel(R) Core(TM)
> i5-2557M CPU @ 1.70GHz
> >> stepping        : 7
> >> microcode       : 0x1a
> >> cpu MHz         :
> 800.000
> >> cache size      : 3072 KB
> >> physical id     : 0
> >> siblings        : 4
> >> 
> >> core id         : 0
> >> cpu cores       : 2
> >> apicid          : 1
> >> initial apicid  : 1
> >> fpu         
>    : yes
> >> fpu_exception   : yes
> >> cpuid level     : 13
> >> wp             
> : yes
> >> flags       
>    : fpu vme de pse tsc msr pae mce cx8 apic
> sep mtrr pge
> >> mca cmov pat pse36 clflush dts acpi mmx fxsr sse
> sse2 ss ht tm pbe
> >> syscall nx rdtscp lm constant_tsc arch_perfmon pebs
> bts rep_good nopl
> >> xtopology nonstop_tsc aperfmperf eagerfpu pni
> pclmulqdq dtes64 monitor
> >> ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid
> sse4_1 sse4_2 x2apic
> >> popcnt tsc_deadline_timer aes xsave avx lahf_lm ida
> arat xsaveopt pln
> >> pts dtherm tpr_shadow vnmi flexpriority ept vpid
> >> 
> >> bogomips        : 3399.68
> >> clflush size    : 64
> >> cache_alignment : 64
> >> address sizes   : 36 bits physical,
> 48 bits virtual
> >> power management:
> >> 
> >> processor       : 3
> >> vendor_id       :
> GenuineIntel
> >> cpu family      : 6
> >> 
> >> model       
>    : 42
> >> model name      : Intel(R) Core(TM)
> i5-2557M CPU @ 1.70GHz
> >> stepping        : 7
> >> microcode       : 0x1a
> >> cpu MHz         :
> 800.000
> >> cache size      : 3072 KB
> >> physical id     : 0
> >> siblings        : 4
> >> 
> >> core id         : 1
> >> cpu cores       : 2
> >> apicid          : 3
> >> initial apicid  : 3
> >> fpu         
>    : yes
> >> fpu_exception   : yes
> >> cpuid level     : 13
> >> wp             
> : yes
> >> flags       
>    : fpu vme de pse tsc msr pae mce cx8 apic
> sep mtrr pge
> >> mca cmov pat pse36 clflush dts acpi mmx fxsr sse
> sse2 ss ht tm pbe
> >> syscall nx rdtscp lm constant_tsc arch_perfmon pebs
> bts rep_good nopl
> >> xtopology nonstop_tsc aperfmperf eagerfpu pni
> pclmulqdq dtes64 monitor
> >> ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid
> sse4_1 sse4_2 x2apic
> >> popcnt tsc_deadline_timer aes xsave avx lahf_lm ida
> arat xsaveopt pln
> >> pts dtherm tpr_shadow vnmi flexpriority ept vpid
> >> 
> >> bogomips        : 3399.68
> >> clflush size    : 64
> >> cache_alignment : 64
> >> address sizes   : 36 bits physical,
> 48 bits virtual
> >> power management:
> >> [7.3.] Module information (from /proc/modules):
> >> 
> >> nls_utf8 12557 2 - Live 0xffffffffa027f000
> >> 
> >> hfsplus 89061 2 - Live 0xffffffffa07c8000
> >> snd_hda_codec_hdmi 37223 1 - Live
> 0xffffffffa026e000
> >> snd_hda_codec_cirrus 24074 1 - Live
> 0xffffffffa07c1000
> >> ip6table_filter 12815 0 - Live 0xffffffffa07bc000
> >> ip6_tables 27502 1 ip6table_filter, Live
> 0xffffffffa07b0000
> >> 
> >> ebtable_nat 12807 0 - Live 0xffffffffa077f000
> >> ebtables 30994 1 ebtable_nat, Live
> 0xffffffffa07a7000
> >> pci_stub 12622 1 - Live 0xffffffffa07a2000
> >> vboxpci 23194 0 - Live 0xffffffffa0797000 (OF)
> >> vboxnetadp 25670 0 - Live 0xffffffffa078f000 (OF)
> >> 
> >> vboxnetflt 23479 0 - Live 0xffffffffa0784000 (OF)
> >> hid_microsoft 12888 0 - Live 0xffffffffa077a000
> >> ipt_MASQUERADE 12759 3 - Live 0xffffffffa0775000
> >> iptable_nat 12909 1 - Live 0xffffffffa075d000
> >> nf_nat_ipv4 13316 1 iptable_nat, Live
> 0xffffffffa0770000
> >> 
> >> nf_nat 26157 3
> ipt_MASQUERADE,iptable_nat,nf_nat_ipv4, Live
> 0xffffffffa0768000
> >> nf_conntrack_ipv4 14538 2 - Live
> 0xffffffffa0483000
> >> nf_defrag_ipv4 12729 1 nf_conntrack_ipv4, Live
> 0xffffffffa0758000
> >> xt_state 12578 1 - Live 0xffffffffa0763000
> >> 
> >> nf_conntrack 83996 6
> >>
> ipt_MASQUERADE,iptable_nat,nf_nat_ipv4,nf_nat,nf_conntrack_ipv4,xt_state,
> >> Live 0xffffffffa0742000
> >> ipt_REJECT 12576 2 - Live 0xffffffffa073d000
> >> xt_CHECKSUM 12549 1 - Live 0xffffffffa0738000
> >> iptable_mangle 12734 1 - Live 0xffffffffa0716000
> >> 
> >> xt_tcpudp 12603 5 - Live 0xffffffffa0711000
> >> iptable_filter 12810 1 - Live 0xffffffffa070c000
> >> ip_tables 27473 3
> iptable_nat,iptable_mangle,iptable_filter, Live
> >> 0xffffffffa0700000
> >> x_tables 29938 11
> >>
> ip6table_filter,ip6_tables,ebtables,ipt_MASQUERADE,xt_state,ipt_REJECT,xt_CHECKSUM,iptable_mangle,xt_tcpudp,iptable_filter,ip_tables,
> >> Live 0xffffffffa05d5000
> >> 
> >> bridge 101039 0 - Live 0xffffffffa071e000
> >> vboxdrv 320372 3 vboxpci,vboxnetadp,vboxnetflt,
> Live 0xffffffffa06b0000 (OF)
> >> stp 12976 1 bridge, Live 0xffffffffa04a1000
> >> llc 14597 2 bridge,stp, Live 0xffffffffa0398000
> >> 
> >> asix 27817 0 - Live 0xffffffffa05cd000
> >> usbnet 31972 1 asix, Live 0xffffffffa0498000
> >> btusb 18291 0 - Live 0xffffffffa033a000
> >> bluetooth 246976 2 btusb, Live 0xffffffffa0672000
> >> hid_generic 12540 0 - Live 0xffffffffa047e000
> >> 
> >> coretemp 13596 0 - Live 0xffffffffa032e000
> >> kvm_intel 137899 0 - Live 0xffffffffa064f000
> >> arc4 12573 2 - Live 0xffffffffa02d1000
> >> kvm 451836 1 kvm_intel, Live 0xffffffffa05df000
> >> brcmsmac 564687 0 - Live 0xffffffffa0542000
> >> 
> >> ghash_clmulni_intel 13259 0 - Live
> 0xffffffffa01c8000
> >> usb_storage 57698 0 - Live 0xffffffffa046a000
> >> mac80211 626881 1 brcmsmac, Live
> 0xffffffffa04a7000
> >> brcmutil 14755 1 brcmsmac, Live 0xffffffffa0465000
> >> hid_apple 13382 0 - Live 0xffffffffa0393000
> >> 
> >> aesni_intel 55495 0 - Live 0xffffffffa0489000
> >> cfg80211 525244 2 brcmsmac,mac80211, Live
> 0xffffffffa03e3000
> >> ablk_helper 13597 1 aesni_intel, Live
> 0xffffffffa02f7000
> >> cryptd 20501 3
> ghash_clmulni_intel,aesni_intel,ablk_helper, Live
> >> 0xffffffffa0364000
> >> 
> >> joydev 17613 0 - Live 0xffffffffa0334000
> >> uvcvideo 82214 0 - Live 0xffffffffa03cd000
> >> lrw 13294 1 aesni_intel, Live 0xffffffffa011c000
> >> videobuf2_core 40785 1 uvcvideo, Live
> 0xffffffffa0388000
> >> aes_x86_64 17255 1 aesni_intel, Live
> 0xffffffffa01ce000
> >> 
> >> xts 12922 1 aesni_intel, Live 0xffffffffa0102000
> >> parport_pc 32866 0 - Live 0xffffffffa0168000
> >> gf128mul 14951 2 lrw,xts, Live 0xffffffffa00ef000
> >> videodev 130053 2 uvcvideo,videobuf2_core, Live
> 0xffffffffa03ac000
> >> 
> >> videobuf2_vmalloc 13056 1 uvcvideo, Live
> 0xffffffffa0383000
> >> cordic 12574 1 brcmsmac, Live 0xffffffffa037e000
> >> ppdev 17113 0 - Live 0xffffffffa0340000
> >> videobuf2_memops 13202 1 videobuf2_vmalloc, Live
> 0xffffffffa0329000
> >> 
> >> usbhid 47346 0 - Live 0xffffffffa039f000
> >> snd_hda_intel 44339 3 - Live 0xffffffffa036b000
> >> hid 101262 4
> hid_microsoft,hid_generic,hid_apple,usbhid, Live
> 0xffffffffa034a000
> >> bcm5974 17477 0 - Live 0xffffffffa02f1000
> >> 
> >> snd_hda_codec 141474 3
> >>
> snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel, Live
> >> 0xffffffffa0305000
> >> snd_hwdep 13668 1 snd_hda_codec, Live
> 0xffffffffa02fc000
> >> snd_pcm 102477 3
> snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec, Live
> >> 0xffffffffa02d6000
> >> 
> >> applesmc 19564 0 - Live 0xffffffffa02cb000
> >> input_polldev 13896 1 applesmc, Live
> 0xffffffffa02ad000
> >> snd_seq_midi 13324 0 - Live 0xffffffffa02c6000
> >> snd_rawmidi 30417 1 snd_seq_midi, Live
> 0xffffffffa02bd000
> >> snd_seq_midi_event 14899 1 snd_seq_midi, Live
> 0xffffffffa02b4000
> >> 
> >> snd_seq 61930 2 snd_seq_midi,snd_seq_midi_event,
> Live 0xffffffffa029c000
> >> snd_timer 29989 2 snd_pcm,snd_seq, Live
> 0xffffffffa0293000
> >> snd_seq_device 14497 3
> snd_seq_midi,snd_rawmidi,snd_seq, Live 0xffffffffa028e000
> >> 
> >> i915 616273 2 - Live 0xffffffffa01d6000
> >> microcode 23017 0 - Live 0xffffffffa00e8000
> >> nfsd 259749 2 - Live 0xffffffffa0187000
> >> nfs_acl 12883 1 nfsd, Live 0xffffffffa0090000
> >> auth_rpcgss 40903 1 nfsd, Live 0xffffffffa015d000
> >> 
> >> snd 69533 16
> snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device,
> >> Live 0xffffffffa0175000
> >> lpc_ich 17144 0 - Live 0xffffffffa00e2000
> >> nfs 170664 0 - Live 0xffffffffa0132000
> >> 
> >> fscache 57914 1 nfs, Live 0xffffffffa0122000
> >> lockd 77317 2 nfsd,nfs, Live 0xffffffffa007c000
> >> mac_hid 13253 0 - Live 0xffffffffa00dd000
> >> drm_kms_helper 49597 1 i915, Live
> 0xffffffffa010e000
> >> binfmt_misc 17540 1 - Live 0xffffffffa0108000
> >> 
> >> bcma 41244 1 brcmsmac, Live 0xffffffffa00f6000
> >> drm 286915 3 i915,drm_kms_helper, Live
> 0xffffffffa0095000
> >> sunrpc 242100 6 nfsd,nfs_acl,auth_rpcgss,nfs,lockd,
> Live 0xffffffffa003f000
> >> soundcore 12680 1 snd, Live 0xffffffffa002f000
> >> 
> >> snd_page_alloc 18798 2 snd_hda_intel,snd_pcm, Live
> 0xffffffffa0039000
> >> i2c_algo_bit 13564 1 i915, Live 0xffffffffa000d000
> >> apple_bl 13673 0 - Live 0xffffffffa0034000
> >> video 19467 1 i915, Live 0xffffffffa0029000
> >> mei 41820 0 - Live 0xffffffffa001d000
> >> 
> >> lp 17799 0 - Live 0xffffffffa0013000
> >> parport 46562 3 parport_pc,ppdev,lp, Live
> 0xffffffffa0000000
> >> 
> >> 
> >> [7.4.] Loaded driver and hardware information
> (/proc/ioports, /proc/iomem)
> >> 
> >> /proc/ioports is:
> >> 
> >> 0000-0cf7 : PCI Bus 0000:00
> >>  0000-001f : dma1
> >>  0020-0021 : pic1
> >>  0040-0043 : timer0
> >>  0050-0053 : timer1
> >>  0060-0060 : keyboard
> >>  0062-0062 : EC data
> >>  0064-0064 : keyboard
> >>  0066-0066 : EC cmd
> >> 
> >>  0070-0077 : rtc0
> >>  0080-008f : dma page reg
> >>  00a0-00a1 : pic2
> >>  00b2-00b3 : Apple backlight
> >>  00c0-00df : dma2
> >>  00f0-00ff : fpu
> >>  0300-031f : applesmc
> >>  0400-047f : pnp 00:04
> >>    0400-0403 : ACPI PM1a_EVT_BLK
> >> 
> >>    0404-0405 : ACPI PM1a_CNT_BLK
> >>    0408-040b : ACPI PM_TMR
> >>    0410-0415 : ACPI CPU throttle
> >>    0420-042f : ACPI GPE0_BLK
> >>    0430-0433 : iTCO_wdt
> >>    0450-0450 : ACPI PM2_CNT_BLK
> >>    0460-047f : iTCO_wdt
> >> 
> >>  0500-057f : pnp 00:04
> >> 0cf8-0cff : PCI conf1
> >> 0d00-ffff : PCI Bus 0000:00
> >>  1000-100f : pnp 00:04
> >>  2000-203f : 0000:00:02.0
> >>  2060-206f : 0000:00:1f.2
> >>    2060-206f : ata_piix
> >>  20e0-20ff : 0000:00:1d.0
> >> 
> >>    20e0-20ff : uhci_hcd
> >>  2140-215f : 0000:00:1a.0
> >>    2140-215f : uhci_hcd
> >>  2160-2167 : 0000:00:1f.2
> >>    2160-2167 : ata_piix
> >>  2168-216f : 0000:00:1f.2
> >>    2168-216f : ata_piix
> >>  2178-217b : 0000:00:1f.2
> >> 
> >>    2178-217b : ata_piix
> >>  217c-217f : 0000:00:1f.2
> >>    217c-217f : ata_piix
> >>  3000-3fff : PCI Bus 0000:03
> >>  efa0-efbf : 0000:00:1f.3
> >>  ffe0-ffef : 0000:00:1f.2
> >>    ffe0-ffef : ata_piix
> >> 
> >> /proc/iomem is:
> >> 00000000-0000ffff : reserved
> >> 00010000-0008dfff : System RAM
> >> 0008e000-0008ffff : reserved
> >> 00090000-0009fbff : System RAM
> >> 0009fc00-000fffff : reserved
> >>  000a0000-000bffff : PCI Bus 0000:00
> >> 
> >>  000c0000-000cedff : Video ROM
> >>  000f0000-000fffff : System ROM
> >> 00100000-1fffffff : System RAM
> >>  01000000-016f9270 : Kernel code
> >>  016f9271-01cee4bf : Kernel data
> >>  01df3000-01f29fff : Kernel bss
> >> 20000000-201fffff : reserved
> >> 
> >>  20000000-201fffff : pnp 00:08
> >> 20200000-3fffffff : System RAM
> >> 40000000-401fffff : reserved
> >>  40000000-401fffff : pnp 00:08
> >> 40200000-8ad33fff : System RAM
> >> 8ad34000-8ad5efff : ACPI Non-volatile Storage
> >> 8ad5f000-8afa1fff : ACPI Tables
> >> 
> >> 8afa2000-8affefff : reserved
> >> 8afff000-8affffff : ACPI Tables
> >> 8b000000-8f9fffff : reserved
> >> 8fa00000-feafffff : PCI Bus 0000:00
> >>  90000000-9fffffff : 0000:00:02.0
> >>  a0000000-a03fffff : 0000:00:02.0
> >>  a0400000-a04fffff : PCI Bus 0000:02
> >> 
> >>    a0400000-a0403fff : 0000:02:00.0
> >>      a0400000-a0403fff :
> bcma-pci-bridge
> >>  a0500000-a05fffff : PCI Bus 0000:01
> >>  a0600000-a0603fff : 0000:00:1b.0
> >>    a0600000-a0603fff : ICH HD audio
> >>  a0606800-a0606bff : 0000:00:1d.7
> >> 
> >>    a0606800-a0606bff : ehci_hcd
> >>  a0606c00-a0606fff : 0000:00:1a.7
> >>    a0606c00-a0606fff : ehci_hcd
> >>  a0607000-a06070ff : 0000:00:1f.3
> >>  a0607100-a060710f : 0000:00:16.0
> >>    a0607100-a060710f : mei
> >>  a0700000-a49fffff : PCI Bus 0000:03
> >> 
> >>    a0700000-a09fffff : PCI Bus 0000:04
> >>      a0700000-a07fffff : PCI Bus
> 0000:05
> >>        a0700000-a073ffff :
> 0000:05:00.0
> >>        a0740000-a0740fff :
> 0000:05:00.0
> >>      a0800000-a08fffff : PCI Bus
> 0000:06
> >> 
> >>      a0900000-a09fffff : PCI Bus
> 0000:37
> >>  a4a00000-a89fffff : PCI Bus 0000:03
> >>    a4a00000-a4dfffff : PCI Bus 0000:04
> >>      a4a00000-a4bfffff : PCI Bus
> 0000:37
> >>      a4c00000-a4dfffff : PCI Bus
> 0000:06
> >>  e0000000-efffffff : reserved
> >> 
> >>    e0000000-efffffff : pnp 00:07
> >>      e0000000-e97fffff : PCI
> MMCONFIG 0000 [bus 00-97]
> >> fec00000-fec00fff : reserved
> >>  fec00000-fec003ff : IOAPIC 0
> >> fed00000-fed03fff : reserved
> >>  fed00000-fed003ff : HPET 0
> >> 
> >>    fed00000-fed003ff : pnp 00:02
> >> fed10000-fed13fff : reserved
> >> fed18000-fed19fff : reserved
> >>  fed18000-fed18fff : pnp 00:07
> >>  fed19000-fed19fff : pnp 00:07
> >> fed1c000-fed1ffff : reserved
> >>  fed1c000-fed1ffff : pnp 00:07
> >> 
> >>    fed1f410-fed1f414 : iTCO_wdt
> >> fed20000-fed3ffff : pnp 00:07
> >> fed40000-fed44fff : PCI Bus 0000:00
> >> fed45000-fed8ffff : pnp 00:07
> >> fed90000-fed93fff : pnp 00:07
> >> fee00000-fee00fff : Local APIC
> >>  fee00000-fee00fff : reserved
> >> 
> >> ff800000-ffffffff : reserved
> >> 100000000-16fdfffff : System RAM
> >> 16fe00000-16fffffff : RAM buffer
> >> 
> >> 
> >> [7.5.] PCI information ('lspci -vvv' as root)
> >> 
> >> attached as lspcivvv.txt
> >> 
> >> [7.6.] SCSI information (from /proc/scsi/scsi)
> >> 
> >> 
> >> Attached devices:
> >> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> >>  Vendor: ATA      Model: OWC
> Mercury Aura Rev: 504A
> >>  Type:   Direct-Access 
>                
>   ANSI  SCSI revision: 05
> >> Host: scsi2 Channel: 00 Id: 00 Lun: 00
> >> 
> >>  Vendor: APPLE    Model: SD Card
> Reader   Rev: 2.00
> >>  Type:   Direct-Access 
>                
>   ANSI  SCSI revision: 00
> >> 
> >> 
> >> [7.7.] Other information that might be relevant to
> the problem
> >>       (please look in
> /proc and include all information that you
> >>       think to be
> relevant):
> >> [X.] Other notes, patches, fixes, workarounds:
> >> 
> >> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aac4e4198eff7f9551d586c55342403d49249d95
> >> 
> >> This patch seems to address the issue but is not
> preventing a 'general
> >> protection fault' in my case.
> >> 
> >> --
> >> 
> >> -
> >> Michael
> >> 
> >> 
> >> 
> >> --
> >> 
> >> -
> >> Michael
> > 
> > 
> > 
> > -- 
> > 
> > -
> > Michael
> > --
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> 
> 
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