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snapshot trouble in kde

Mon Jan 21, 2013 3:04 am

I did a wheezy/kde install in virtualbox, and I'm having trouble making a snapshot. Did the install with the debian installer from the kde debian-live iso. It seems to work correctly when I use the snapshot defaults, but if I try to use xz compression, I get a small iso file (around 200MB instead of 1.3GB) and it only boots to busybox. Mounting the iso and attempting to unsquash filesystem.squashfs results in error
Code:
Can't find a SQUASHFS superblock on filesystem.squashfs


No hints in refractasnapshot_error.log. Stuff I don't understand in /var/log/messages. Any hints or suggestions for diagnosing or fixing this are welcome.


Code:
mksquashfs invoked oom-killer: gfp_mask=0x280da, order=0, oom_adj=
0, oom_score_adj=0
Jan 20 17:20:06 debian kernel: [ 1914.760599] mksquashfs cpuset=/ mems_allowed=0
Jan 20 17:20:06 debian kernel: [ 1914.760624] Pid: 3822, comm: mksquashfs Tainted: G           O 3.2.0-4-686-pae #1 Debian 3.2.35-2
Jan 20 17:20:06 debian kernel: [ 1914.760631] Call Trace:
Jan 20 17:20:06 debian kernel: [ 1914.760659]  [<c1097f34>] ? dump_header.isra.6+0x5c/0x167
Jan 20 17:20:06 debian kernel: [ 1914.760669]  [<c1121494>] ? security_real_capable_noaudit+0x2c/0x35
Jan 20 17:20:06 debian kernel: [ 1914.760678]  [<c10981ab>] ? oom_kill_process+0x30/0x201
Jan 20 17:20:06 debian kernel: [ 1914.760686]  [<c1098427>] ? select_bad_process.constprop.12+0xab/0xff
Jan 20 17:20:06 debian kernel: [ 1914.760694]  [<c10986f8>] ? out_of_memory+0xf8/0x135
Jan 20 17:20:06 debian kernel: [ 1914.760703]  [<c109b1e5>] ? __alloc_pages_nodemask+0x509/0x63e
Jan 20 17:20:06 debian kernel: [ 1914.760714]  [<c10ad43b>] ? handle_pte_fault+0x18d/0x8c9
Jan 20 17:20:06 debian kernel: [ 1914.760724]  [<c1029058>] ? kmap_atomic_prot+0x2f/0xe0
Jan 20 17:20:06 debian kernel: [ 1914.760732]  [<c10adde1>] ? handle_mm_fault+0x1ee/0x1fd
Jan 20 17:20:06 debian kernel: [ 1914.760743]  [<c12c4b05>] ? do_page_fault+0x2e0/0x2fc
Jan 20 17:20:06 debian kernel: [ 1914.760753]  [<c105056b>] ? hrtimer_interrupt+0x123/0x1e4
Jan 20 17:20:06 debian kernel: [ 1914.760762]  [<c107b8aa>] ? rcu_enter_nohz+0xc/0x55
Jan 20 17:20:06 debian kernel: [ 1914.760771]  [<c12c4825>] ? notify_page_fault+0x37/0x37
Jan 20 17:20:06 debian kernel: [ 1914.760779]  [<c12c298f>] ? error_code+0x67/0x6c
Jan 20 17:20:06 debian kernel: [ 1914.760787] Mem-Info:
Jan 20 17:20:06 debian kernel: [ 1914.760800] DMA per-cpu:
Jan 20 17:20:06 debian kernel: [ 1914.760806] CPU    0: hi:    0, btch:   1 usd:   0
Jan 20 17:20:06 debian kernel: [ 1914.760812] Normal per-cpu:
Jan 20 17:20:06 debian kernel: [ 1914.760819] CPU    0: hi:  186, btch:  31 usd:   0
Jan 20 17:20:06 debian kernel: [ 1914.760829] active_anon:117853 inactive_anon:1253 isolated_anon:0
Jan 20 17:20:06 debian kernel: [ 1914.760834]  active_file:165 inactive_file:256 isolated_file:0
Jan 20 17:20:06 debian kernel: [ 1914.760840]  unevictable:8 dirty:0 writeback:69 unstable:0
Jan 20 17:20:06 debian kernel: [ 1914.760845]  free:1214 slab_reclaimable:1393 slab_unreclaimable:2389
Jan 20 17:20:06 debian kernel: [ 1914.760850]  mapped:1385 shmem:1391 pagetables:1950 bounce:0
Jan 20 17:20:06 debian kernel: [ 1914.760863] DMA free:2056kB min:84kB low:104kB high:124kB active_anon:13188kB inactive_anon:12kB active_file:8kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15804kB mlocked:0kB dirty:0kB writeback:0kB mapped:16kB shmem:12kB slab_reclaimable:72kB slab_unreclaimable:64kB kernel_stack:56kB pagetables:320kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:105 all_unreclaimable? yes
Jan 20 17:20:06 debian kernel: [ 1914.760873] lowmem_reserve[]: 0 492 492 492
Jan 20 17:20:06 debian kernel: [ 1914.760894] Normal free:2800kB min:2792kB low:3488kB high:4188kB active_anon:458224kB inactive_anon:5000kB active_file:652kB inactive_file:964kB unevictable:32kB isolated(anon):0kB isolated(file):0kB present:503872kB mlocked:32kB dirty:0kB writeback:276kB mapped:5524kB shmem:5552kB slab_reclaimable:5500kB slab_unreclaimable:9492kB kernel_stack:2384kB pagetables:7480kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:5026 all_unreclaimable? yes
Jan 20 17:20:06 debian kernel: [ 1914.760904] lowmem_reserve[]: 0 0 0 0
Jan 20 17:20:06 debian kernel: [ 1914.760912] DMA: 44*4kB 41*8kB 19*16kB 19*32kB 8*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2056kB
Jan 20 17:20:06 debian kernel: [ 1914.760925] Normal: 170*4kB 9*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 2800kB
Jan 20 17:20:06 debian kernel: [ 1914.760938] 1823 total pagecache pages
Jan 20 17:20:06 debian kernel: [ 1914.760944] 0 pages in swap cache
Jan 20 17:20:06 debian kernel: [ 1914.760951] Swap cache stats: add 0, delete 0, find 0/0
Jan 20 17:20:06 debian kernel: [ 1914.760957] Free swap  = 0kB
Jan 20 17:20:06 debian kernel: [ 1914.760962] Total swap = 0kB
Jan 20 17:20:06 debian kernel: [ 1914.764225] 131040 pages RAM
Jan 20 17:20:06 debian kernel: [ 1914.764233] 0 pages HighMem
Jan 20 17:20:06 debian kernel: [ 1914.764239] 2457 pages reserved
Jan 20 17:20:06 debian kernel: [ 1914.764245] 6505 pages shared
Jan 20 17:20:06 debian kernel: [ 1914.764251] 124366 pages non-shared
Jan 20 17:20:06 debian kernel: [ 1914.764257] [ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
Jan 20 17:20:06 debian kernel: [ 1914.764272] [  281]     0   281      730      192   0     -17         -1000 udevd
Jan 20 17:20:06 debian kernel: [ 1914.764283] [  364]     0   364      729      193   0     -17         -1000 udevd
Jan 20 17:20:06 debian kernel: [ 1914.764292] [  365]     0   365      729      189   0     -17         -1000 udevd
Jan 20 17:20:06 debian kernel: [ 1914.764301] [ 1706]     0  1706      594       65   0       0             0 rpcbind
Jan 20 17:20:06 debian kernel: [ 1914.764310] [ 1739]   115  1739      662      117   0       0             0 rpc.statd
Jan 20 17:20:06 debian kernel: [ 1914.764319] [ 1753]     0  1753      644       43   0       0             0 rpc.idmapd
Jan 20 17:20:06 debian kernel: [ 1914.764328] [ 2015]   117  2015     1489      134   0       0             0 gwd
Jan 20 17:20:06 debian kernel: [ 1914.764336] [ 2016]     0  2016     6985       83   0       0             0 rsyslogd
Jan 20 17:20:06 debian kernel: [ 1914.764345] [ 2058]     0  2058      502       60   0       0             0 acpid
Jan 20 17:20:06 debian kernel: [ 1914.764353] [ 2073]     0  2073      426       15   0       0             0 acpi_fakekeyd
Jan 20 17:20:06 debian kernel: [ 1914.764362] [ 2082]   102  2082      886      219   0       0             0 db
Jan 20 17:20:06 debian kernel: [ 1914.764362] [ 2082]   102  2082      886      219   0       0             0 dbus-daemon
Jan 20 17:20:06 debian kernel: [ 1914.764371] [ 2117]     0  2117     6599      187   0       0             0 NetworkManager
Jan 20 17:20:06 debian kernel: [ 1914.764380] [ 2135]     0  2135     5858      310   0       0             0 polkitd
Jan 20 17:20:06 debian kernel: [ 1914.764388] [ 2155]     0  2155     1723      133   0       0             0 modem-manager
Jan 20 17:20:06 debian kernel: [ 1914.764397] [ 2164]     0  2164     1298      435   0       0             0 dhclient
Jan 20 17:20:06 debian kernel: [ 1914.764405] [ 2188]     0  2188      992       46   0       0             0 kdm
Jan 20 17:20:06 debian kernel: [ 1914.764414] [ 2196]     0  2196    15931     6355   0       0             0 Xorg
Jan 20 17:20:06 debian kernel: [ 1914.764423] [ 2328]   105  2328      789       64   0       0             0 avahi-daemon
Jan 20 17:20:06 debian kernel: [ 1914.764431] [ 2332]   105  2332      789       54   0       0             0 avahi-daemon
Jan 20 17:20:06 debian kernel: [ 1914.764440] [ 2374]     0  2374     1122       49   0       0             0 bluetoothd
Jan 20 17:20:06 debian kernel: [ 1914.764449] [ 2451]     0  2451      959       49   0       0             0 cron
Jan 20 17:20:06 debian kernel: [ 1914.764457] [ 2489]     0  2489     1245      122   0       0             0 kdm
Jan 20 17:20:06 debian kernel: [ 1914.764466] [ 2493]     0  2493     1881      162   0       0             0 cupsd
Jan 20 17:20:06 debian kernel: [ 1914.764475] [ 2837]   117  2837      986       52   0       0             0 gw
Jan 20 17:20:06 debian kernel: [ 1914.764483] [ 2943]     0  2943     1616      116   0     -17         -1000 sshd
Jan 20 17:20:06 debian kernel: [ 1914.764492] [ 2977]     0  2977     1688       63   0       0             0 VBoxService
Jan 20 17:20:06 debian kernel: [ 1914.764500] [ 3007]     0  3007      945       38   0       0             0 getty
Jan 20 17:20:06 debian kernel: [ 1914.764509] [ 3008]     0  3008      945       41   0       0             0 getty
Jan 20 17:20:06 debian kernel: [ 1914.764518] [ 3009]     0  3009      945       39   0       0             0 getty
Jan 20 17:20:06 debian kernel: [ 1914.764527] [ 3010]     0  3010      945       39   0       0             0 getty
Jan 20 17:20:06 debian kernel: [ 1914.764535] [ 3011]     0  3011      945       40   0       0             0 getty
Jan 20 17:20:06 debian kernel: [ 1914.764544] [ 3012]     0  3012      945       39   0       0             0 getty
Jan 20 17:20:06 debian kernel: [ 1914.764552] [ 3016]     0  3016     6747      167   0       0             0 console-kit-dae
Jan 20 17:20:06 debian kernel: [ 1914.764561] [ 3089]  1000  3089      483       28   0       0             0 x-session-manag
Jan 20 17:20:06 debian kernel: [ 1914.764570] [ 3141]  1000  3141     1775       97   0       0             0 VBoxClient
Jan 20 17:20:06 debian kernel: [ 1914.764578] [ 3150]  1000  3150     1782      120   0       0             0 VBoxClient
Jan 20 17:20:06 debian kernel: [ 1914.764587] [ 3154]  1000  3154     1766       91   0       0             0 VBoxClient
Jan 20 17:20:06 debian kernel: [ 1914.764595] [ 3156]  1000  3156      967       54   0       0             0 ssh-agent
Jan 20 17:20:06 debian kernel: [ 1914.764604] [ 3159]  1000  3159      879       49   0       0             0 dbus-launch
Jan 20 17:20:06 debian kernel: [ 1914.764612] [ 3160]  1000  3160     1049      237   0       0             0 dbus-daemon
Jan 20 17:20:06 debian kernel: [ 1914.764634] [ 3197]  1000  3197      427       14   0       0             0 start_kdeinit
Jan 20 17:20:06 debian kernel: [ 1914.764643] [ 3198]  1000  3198    28665      901   0       0             0 kdeinit4
Jan 20 17:20:06 debian kernel: [ 1914.764652] [ 3199]  1000  3199    29121      846   0       0             0 klauncher
Jan 20 17:20:06 debian kernel: [ 1914.764660] [ 3201]  1000  3201    60900     1945   0       0             0 kded4
Jan 20 17:20:06 debian kernel: [ 1914.764669] [ 3205]  1000  3205    20484      918   0       0             0 kglobalaccel
Jan 20 17:20:06 debian kernel: [ 1914.764678] [ 3207]  1000  3207    20291      707   0       0             0 kwalletd
Jan 20 17:20:06 debian kernel: [ 1914.764687] [ 3211]  1000  3211    20841      743   0       0             0 kactivitymanage
Jan 20 17:20:06 debian kernel: [ 1914.764695] [ 3213]     0  3213     6598      158   0       0             0 upowerd
Jan 20 17:20:06 debian kernel: [ 1914.764704] [ 3242]  1000  3242      461       13   0       0             0 kwrapper4
Jan 20 17:20:06 debian kernel: [ 1914.764713] [ 3246]  1000  3246    34942     1301   0       0             0 ksmserver
Jan 20 17:20:06 debian kernel: [ 1914.764722] [ 3249]     0  3249     3678      127   0       0             0 udisks-daemon
Jan 20 17:20:06 debian kernel: [ 1914.764730] [ 3256]     0  3256     1589       66   0       0             0 udisks-daemon
Jan 20 17:20:06 debian kernel: [ 1914.764739] [ 3299]  1000  3299    46544     2262   0       0             0 kwin
Jan 20 17:20:06 debian kernel: [ 1914.764748] [ 3346]  1000  3346    23982      868   0       0             0 knotify4
Jan 20 17:20:06 debian kernel: [ 1914.764756] [ 3348]  1000  3348    77588     8910   0       0             0 plasma-desktop
Jan 20 17:20:06 debian kernel: [ 1914.764765] [ 3353]  1000  3353    20282      726   0       0             0 kuiserver
Jan 20 17:20:06 debian kernel: [ 1914.764774] [ 3355]  1000  3355      604       61   0       0             0 ksysguardd
Jan 20 17:20:06 debian kernel: [ 1914.764782] [ 3358]  1000  3358    14310      205   0       0             0 akonadi_control
Jan 20 17:20:06 debian kernel: [ 1914.764791] [ 3360]  1000  3360    36805      419   0       0             0 akJan 20 17:20:06 debian kernel: [ 1914.764799] [ 3362]  1000  3362    60732     4673   0       0             0 mysqld
Jan 20 17:20:06 debian kernel: [ 1914.764808] [ 3384]  1000  3384    21310      775   0       0             0 kaccess
Jan 20 17:20:06 debian kernel: [ 1914.764817] [ 3403]  1000  3403    21229      774   0       0             0 akonadi_contact
Jan 20 17:20:06 debian kernel: [ 1914.764825] [ 3404]  1000  3404    21815      803   0       0             0 akonadi_ical_re
Jan 20 17:20:06 debian kernel: [ 1914.764834] [ 3405]  1000  3405    21295      781   0       0             0 akonadi_maildir
Jan 20 17:20:06 debian kernel: [ 1914.764843] [ 3406]  1000  3406    21349      777   0       0             0 akonadi_maildis
Jan 20 17:20:06 debian kernel: [ 1914.764852] [ 3407]  1000  3407    21230      775   0       0             0 akonadi_vcard_r
Jan 20 17:20:06 debian kernel: [ 1914.764861] [ 3415]  1000  3415    16732      327   0       0             0 nepomukserver
Jan 20 17:20:06 debian kernel: [ 1914.764869] [ 3419]  1000  3419    44147     1806   0       0             0 nepomukservices
Jan 20 17:20:06 debian kernel: [ 1914.764878] [ 3422]  1000  3422    60699     2400   0       0             0 krunner
Jan 20 17:20:06 debian kernel: [ 1914.764887] [ 3425]  1000  3425    24368      383   0       0             0 pulseaudio
Jan 20 17:20:06 debian kernel: [ 1914.764896] [ 3427]   113  3427     4745       52   0       0             0 rtkit-daemon
Jan 20 17:20:06 debian kernel: [ 1914.764904] [ 3435]  1000  3435    20295      706   0       0             0 nepomukcontroll
Jan 20 17:20:06 debian kernel: [ 1914.764913] [ 3445]  1000  3445    52182     1633   0       0             0 kmix
Jan 20 17:20:06 debian kernel: [ 1914.764922] [ 3456]  1000  3456    11525     6845   0       0             0 virtuoso-t
Jan 20 17:20:06 debian kernel: [ 1914.764930] [ 3481]  1000  3481    20403      730   0       0             0 klipper
Jan 20 17:20:06 debian kernel: [ 1914.764939] [ 3482]  1000  3482    22886      776   0       0             0 polkit-kde-auth
an 20 17:20:06 debian kernel: [ 1914.764948] [ 3490]  1000  3490    28029      973   0       0             0 korgac
Jan 20 17:20:06 debian kernel: [ 1914.764957] [ 3497]  1000  3497    18591      625   0       0             0 nepomukservices
Jan 20 17:20:06 debian kernel: [ 1914.764965] [ 3498]  1000  3498    21523      660   0       0             0 nepomukservices
Jan 20 17:20:06 debian kernel: [ 1914.764974] [ 3499]  1000  3499    17299      530   0       0             0 nepomukservices
Jan 20 17:20:06 debian kernel: [ 1914.764983] [ 3500]  1000  3500    23630      715   0       0             0 nepomukservices
Jan 20 17:20:06 debian kernel: [ 1914.764992] [ 3636]  1000  3636    12215      644   0       0             0 gksu
Jan 20 17:20:06 debian kernel: [ 1914.765000] [ 3638]  1000  3638     1993      104   0       0             0 gconfd-2
Jan 20 17:20:06 debian kernel: [ 1914.765009] [ 3643]  1000  3643     1194       84   0       0             0 su
Jan 20 17:20:06 debian kernel: [ 1914.765018] [ 3646]  1000  3646    10949      133   0       0             0 gnome-keyring-d
Jan 20 17:20:06 debian kernel: [ 1914.765027] [ 3658]     0  3658      811       34   0       0             0 gksu-run-helper
Jan 20 17:20:06 debian kernel: [ 1914.765035] [ 3662]     0  3662      483       20   0       0             0 sh
Jan 20 17:20:06 debian kernel: [ 1914.765044] [ 3663]     0  3663     1106       61   0       0             0 bash
Jan 20 17:20:06 debian kernel: [ 1914.765052] [ 3719]  1000  3719    32864     1144   0       0             0 apper-sentinel
Jan 20 17:20:06 debian kernel: [ 1914.765062] [ 3815]     0  3815    76364    58852   0       0             0 mksquashfs
Jan 20 17:20:06 debian kernel: [ 1914.765071] [ 3816]     0  3816      840       22   0       0             0 tee
Jan 20 17:20:06 debian kernel: [ 1914.765079] [ 3817]     0  3817     1106       57   0       0             0 bash
Jan 20 17:20:06 debian kernel: [ 1914.765088] [ 3818]     0  3818    25777      875   0       0             0 zenity

*** Three seconds later:
Jan 20 17:20:09 debian kernel: [ 1916.909074] mysqld invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
Jan 20 17:20:09 debian kernel: [ 1916.909265] mysqld cpuset=/ mems_allowed=0
Jan 20 17:20:09 debian kernel: [ 1916.909284] Pid: 3371, comm: mysqld Tainted: G           O 3.2.0-4-686-pae #1 Debian 3.2.35-2
Jan 20 17:20:09 debian kernel: [ 1916.909298] Call Trace:
Jan 20 17:20:09 debian kernel: [ 1916.909322]  [<c1097f34>] ? dump_header.isra.6+0x5c/0x167
Jan 20 17:20:09 debian kernel: [ 1916.909341]  [<c1121494>] ? security_real_capable_noaudit+0x2c/0x35
Jan 20 17:20:09 debian kernel: [ 1916.909377]  [<c10981ab>] ? oom_kill_process+0x30/0x201
Jan 20 17:20:09 debian kernel: [ 1916.909393]  [<c1098427>] ? select_bad_process.constprop.12+0xab/0xff
Jan 20 17:20:09 debian kernel: [ 1916.909409]  [<c10986f8>] ? out_of_memory+0xf8/0x135
Jan 20 17:20:09 debian kernel: [ 1916.909426]  [<c109b1e5>] ? __alloc_pages_nodemask+0x509/0x63e

Re: snapshot trouble in kde

Mon Jan 21, 2013 12:36 pm

You ran out of memory! The kernel starts killing processes when that happens, maybe even randomly. The squash didn't build properly.

Not surprising with kde4, nepomuk/akonadi, virtualbox and mksquashfs+xz all running.

There might have been some problem with the live image though; new ones were posted today.

http://live.debian.net/cdimage/release/ ... so-hybrid/

Re: snapshot trouble in kde

Tue Jan 22, 2013 3:05 pm

Yeah, kde is a memory hog. On a fresh boot to desktop, with one terminal (konsole) open, ps_mem.py shows 296MB used. And I suspect you're right about other problems with the image. I had a few weird things happen. Got the b4 iso and reinstalled, and this one seems better. Made a good snapshot first time (without xz compression.)
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