Comment 33 for bug 567580

Nov 16 08:05:01 judas-laptop CRON[1696]: (www-data) CMD (php /usr/share/cacti/site/poller.php >/dev/null 2>/var/log/cacti/poller-error.log)
apt-get clean and reinstall cacti (or look in /var/log/cacti/poller-error.log)

from kern.log
Nov 1 18:20:48 judas-laptop kernel: [ 926.761260] BUG: unable to handle kernel NULL pointer dereference at (null)
Nov 1 18:20:48 judas-laptop kernel: [ 926.761276] IP: [<c0226cc2>] bdi_queue_work+0x42/0x90
Nov 1 18:20:48 judas-laptop kernel: [ 926.761298] *pde = 00000000
Nov 1 18:20:48 judas-laptop kernel: [ 926.761304] Oops: 0002 [#1] SMP
Nov 1 18:20:48 judas-laptop kernel: [ 926.761310] last sysfs file: /sys/devices/virtual/hwmon/hwmon0/temp1_input
Nov 1 18:20:48 judas-laptop kernel: [ 926.761316] Modules linked in: xt_TCPMSS xt_tcpmss xt_tcpudp iptable_mangle ip_tables x_tables ppp_deflate zlib_deflate bsd_comp ppp_async binfmt_misc savage drm option usbserial joydev snd_via82xx gameport snd_via82xx_modem snd_pcm_oss snd_ac97_codec ac97_bus snd_mixer_oss snd_seq_dummy snd_pcm snd_seq_oss snd_mpu401_uart snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer pcmcia snd_seq_device i2c_viapro fbcon tileblit font bitblit softcursor snd vga16fb vgastate ppdev via_ircc via_agp yenta_socket soundcore video snd_page_alloc psmouse serio_raw sbp2 parport_pc irda crc_ccitt agpgart rsrc_nonstatic pcmcia_core output shpchp lp parport 8139too ohci1394 8139cp dm_raid45 usb_storage mii pata_via ieee1394 floppy xor [last unloaded: openafs]
Nov 1 18:20:48 judas-laptop kernel: [ 926.761400]
Nov 1 18:20:48 judas-laptop kernel: [ 926.761407] Pid: 2797, comm: sync Tainted: P (2.6.32-25-generic #45-Ubuntu) LIFEBOOK C Series
Nov 1 18:20:48 judas-laptop kernel: [ 926.761412] EIP: 0060:[<c0226cc2>] EFLAGS: 00010246 CPU: 0
Nov 1 18:20:48 judas-laptop kernel: [ 926.761418] EIP is at bdi_queue_work+0x42/0x90
Nov 1 18:20:48 judas-laptop kernel: [ 926.761421] EAX: 00000000 EBX: dffc9500 ECX: dffc95d0 EDX: d4ea5c90
Nov 1 18:20:48 judas-laptop kernel: [ 926.761425] ESI: dffc95c4 EDI: d4ea5c80 EBP: d58a9f64 ESP: d58a9f58
Nov 1 18:20:48 judas-laptop kernel: [ 926.761429] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Nov 1 18:20:48 judas-laptop kernel: [ 926.761434] Process sync (pid: 2797, ti=d58a8000 task=ed8ae600 task.ti=d58a8000)
Nov 1 18:20:48 judas-laptop kernel: [ 926.761438] Stack:
Nov 1 18:20:48 judas-laptop kernel: [ 926.761441] d4ea5c80 dffc9500 0000009c d58a9f90 c0227a5c d799d8f0 d58a9fb4 009f9c70
Nov 1 18:20:48 judas-laptop kernel: [ 926.761451] <0> d58a9fac 00000020 00000000 dffc9500 0000009c 00000000 d58a9fa4 c0227b45
Nov 1 18:20:48 judas-laptop kernel: [ 926.761463] <0> 00000000 bf803264 00000001 d58a9fac c022b13f d58a8000 c01033ec bf803264
Nov 1 18:20:48 judas-laptop kernel: [ 926.761475] Call Trace:
Nov 1 18:20:48 judas-laptop kernel: [ 926.761484] [<c0227a5c>] ? __bdi_start_writeback+0x7c/0xf0
Nov 1 18:20:48 judas-laptop kernel: [ 926.761492] [<c0227b45>] ? wakeup_flusher_threads+0x75/0x80
Nov 1 18:20:48 judas-laptop kernel: [ 926.761500] [<c022b13f>] ? sys_sync+0xf/0x40
Nov 1 18:20:48 judas-laptop kernel: [ 926.761508] [<c01033ec>] ? syscall_call+0x7/0xb
Nov 1 18:20:48 judas-laptop kernel: [ 926.761518] [<c0590000>] ? report_probe+0x120/0x140
Nov 1 18:20:48 judas-laptop kernel: [ 926.761521] Code: b0 c4 00 00 00 89 c3 89 f0 89 d7 e8 e9 66 36 00 8b 83 d4 00 00 00 8d 57 10 8d 8b d0 00 00 00 89 93 d4 00 00 00 89 4f 10 89 47 14 <89> 10 89 f0 e8 55 38 f0 ff 90 8d 83 c8 00 00 00 3b 83 c8 00 00
Nov 1 18:20:48 judas-laptop kernel: [ 926.761577] EIP: [<c0226cc2>] bdi_queue_work+0x42/0x90 SS:ESP 0068:d58a9f58
Nov 1 18:20:48 judas-laptop kernel: [ 926.761585] CR2: 0000000000000000
Nov 1 18:20:48 judas-laptop kernel: [ 926.761590] ---[ end trace 68ee8359d3f6ccb5 ]---