[45572.056310] i2c i2c-8: m88ds3103: found a 'Montage M88DS3103' in cold state
[45572.124022] i2c i2c-8: m88ds3103: downloading firmware from file 'dvb-demod-m88ds3103.fw'
[45573.039745] i2c i2c-8: m88ds3103: found a 'Montage M88DS3103' in warm state
[45573.039750] i2c i2c-8: m88ds3103: firmware version 3.B
[47275.047927] vb2: counters for queue ffff88007786a828: UNBALANCED!
[47275.047938] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[47275.047956] vb2:     wait_prepare: 12576 wait_finish: 12575
[47924.043994] BUG: Bad page state in process vb2-cx23885[0]  pfn:75f0e
[47924.044066] page:ffffea0001d7c380 count:-1 mapcount:0 mapping:          (null) index:0x0
[47924.044114] vb2: counters for queue ffff88007786a828: UNBALANCED!
[47924.044119] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[47924.044121] vb2:     wait_prepare: 13743 wait_finish: 13744
[47924.044124] vb2:   counters for queue ffff88007786a828, buffer 4: UNBALANCED!
[47924.044127] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 144 buf_finish: 145
[47924.044128] vb2:     buf_queue: 144 buf_done: 144
[47924.044134] vb2:     alloc: 1 put: 1 prepare: 144 finish: 144 mmap: 0
[47924.044138] vb2:     get_userptr: 0 put_userptr: 0
[47924.044143] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[47924.044147] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 145 cookie: 145
[47924.044196] page flags: 0x1ffff0000000000()
[47924.044251] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[47924.044398] CPU: 1 PID: 29747 Comm: vb2-cx23885[0] Tainted: G           OX 3.13.0-40-generic #69-Ubuntu
[47924.044404] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[47924.044409]  ffff88007dc977c8 ffff880078dd1af8 ffffffff8171f226 ffffea0001d7c380
[47924.044418]  ffff880078dd1b10 ffffffff81719d40 0000000000000001 ffff880078dd1bf0
[47924.044424]  ffffffff811584ca ffff88007df8ce08 0000000100000000 ffff880076136400
[47924.044431] Call Trace:
[47924.044446]  [<ffffffff8171f226>] dump_stack+0x45/0x56
[47924.044456]  [<ffffffff81719d40>] bad_page.part.61+0xcf/0xe8
[47924.044466]  [<ffffffff811584ca>] get_page_from_freelist+0x85a/0x930
[47924.044475]  [<ffffffff8109f409>] ? wakeup_gran.isra.47+0x29/0x30
[47924.044484]  [<ffffffff810981c5>] ? check_preempt_curr+0x85/0xa0
[47924.044492]  [<ffffffff81158724>] __alloc_pages_nodemask+0x184/0xb80
[47924.044501]  [<ffffffff8109a9b2>] ? default_wake_function+0x12/0x20
[47924.044509]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[47924.044518]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[47924.044526]  [<ffffffff81019a34>] dma_generic_alloc_coherent+0xa4/0x150
[47924.044549]  [<ffffffffa04cf7f2>] cx23885_risc_databuffer+0xb2/0x170 [cx23885]
[47924.044557]  [<ffffffff810a02bf>] ? pick_next_task_fair+0x5f/0x1b0
[47924.044575]  [<ffffffffa04d0627>] cx23885_buf_prepare+0x77/0xd0 [cx23885]
[47924.044592]  [<ffffffffa04d1ca9>] buffer_prepare+0x19/0x20 [cx23885]
[47924.044607]  [<ffffffffa03ee7de>] __buf_prepare+0x27e/0x390 [videobuf2_core]
[47924.044621]  [<ffffffffa03effdb>] vb2_internal_qbuf+0x6b/0x220 [videobuf2_core]
[47924.044634]  [<ffffffffa03f029e>] vb2_thread+0x10e/0x480 [videobuf2_core]
[47924.044648]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[47924.044656]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[47924.044663]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[47924.044671]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[47924.044678]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[47924.044683] Disabling lock debugging due to kernel taint
[47974.044101] vb2: counters for queue ffff88007786a828: UNBALANCED!
[47974.044112] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[47974.044117] vb2:     wait_prepare: 15299 wait_finish: 15298
[48501.040731] BUG: Bad page state in process vb2-cx23885[0]  pfn:7a3cc
[48501.040800] page:ffffea0001e8f300 count:-1 mapcount:0 mapping:          (null) index:0x0
[48501.040858] vb2: counters for queue ffff88007786a828: UNBALANCED!
[48501.040862] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[48501.040868] vb2:     wait_prepare: 13791 wait_finish: 13792
[48501.040874] vb2:   counters for queue ffff88007786a828, buffer 20: UNBALANCED!
[48501.040879] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 144 buf_finish: 145
[48501.040884] vb2:     buf_queue: 144 buf_done: 144
[48501.040889] vb2:     alloc: 1 put: 1 prepare: 144 finish: 144 mmap: 0
[48501.040902] vb2:     get_userptr: 0 put_userptr: 0
[48501.040912] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[48501.040918] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 145 cookie: 145
[48501.040925] page flags: 0x1ffff0000000000()
[48501.040961] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[48501.041155] CPU: 1 PID: 29844 Comm: vb2-cx23885[0] Tainted: G    B      OX 3.13.0-40-generic #69-Ubuntu
[48501.041161] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[48501.041166]  ffff88007dc977c8 ffff880076491af8 ffffffff8171f226 ffffea0001e8f300
[48501.041175]  ffff880076491b10 ffffffff81719d40 0000000000000001 ffff880076491bf0
[48501.041182]  ffffffff811584ca ffff88007df8ce08 0000000100000000 ffff8800797b8068
[48501.041189] Call Trace:
[48501.041204]  [<ffffffff8171f226>] dump_stack+0x45/0x56
[48501.041214]  [<ffffffff81719d40>] bad_page.part.61+0xcf/0xe8
[48501.041223]  [<ffffffff811584ca>] get_page_from_freelist+0x85a/0x930
[48501.041233]  [<ffffffff810981c5>] ? check_preempt_curr+0x85/0xa0
[48501.041241]  [<ffffffff81158724>] __alloc_pages_nodemask+0x184/0xb80
[48501.041250]  [<ffffffff8109a9b2>] ? default_wake_function+0x12/0x20
[48501.041259]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[48501.041267]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[48501.041276]  [<ffffffff81019a34>] dma_generic_alloc_coherent+0xa4/0x150
[48501.041298]  [<ffffffffa04cf7f2>] cx23885_risc_databuffer+0xb2/0x170 [cx23885]
[48501.041317]  [<ffffffffa04d0627>] cx23885_buf_prepare+0x77/0xd0 [cx23885]
[48501.041334]  [<ffffffffa04d1ca9>] buffer_prepare+0x19/0x20 [cx23885]
[48501.041348]  [<ffffffffa03ee7de>] __buf_prepare+0x27e/0x390 [videobuf2_core]
[48501.041362]  [<ffffffffa03effdb>] vb2_internal_qbuf+0x6b/0x220 [videobuf2_core]
[48501.041376]  [<ffffffffa03f029e>] vb2_thread+0x10e/0x480 [videobuf2_core]
[48501.041389]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[48501.041397]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[48501.041404]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[48501.041412]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[48501.041419]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[48548.040480] vb2: counters for queue ffff88007786a828: UNBALANCED!
[48548.040493] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[48548.040498] vb2:     wait_prepare: 13844 wait_finish: 13843
[49535.034964] vb2:   counters for queue ffff88007786a828, buffer 26: UNBALANCED!
[49535.034977] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 145 buf_finish: 144
[49535.034982] vb2:     buf_queue: 144 buf_done: 144
[49535.034986] vb2:     alloc: 1 put: 1 prepare: 144 finish: 144 mmap: 0
[49535.034989] vb2:     get_userptr: 0 put_userptr: 0
[49535.034993] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[49535.034997] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 145 cookie: 145
[51549.023651] BUG: Bad page state in process vb2-cx23885[0]  pfn:78c71
[51549.023770] page:ffffea0001e31c40 count:-1 mapcount:0 mapping:          (null) index:0x0
[51549.023818] vb2: counters for queue ffff88007786a828: UNBALANCED!
[51549.023822] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[51549.023825] vb2:     wait_prepare: 13716 wait_finish: 13717
[51549.023829] vb2:   counters for queue ffff88007786a828, buffer 27: UNBALANCED!
[51549.023832] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 143 buf_finish: 144
[51549.023837] vb2:     buf_queue: 143 buf_done: 143
[51549.023842] vb2:     alloc: 1 put: 1 prepare: 143 finish: 143 mmap: 0
[51549.023846] vb2:     get_userptr: 0 put_userptr: 0
[51549.023851] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[51549.023855] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 144 cookie: 144
[51549.023867] page flags: 0x1ffff0000000000()
[51549.023923] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[51549.024069] CPU: 1 PID: 30453 Comm: vb2-cx23885[0] Tainted: G    B      OX 3.13.0-40-generic #69-Ubuntu
[51549.024075] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[51549.024080]  ffff88007dc977c8 ffff88007673baf8 ffffffff8171f226 ffffea0001e31c40
[51549.024089]  ffff88007673bb10 ffffffff81719d40 0000000000000001 ffff88007673bbf0
[51549.024096]  ffffffff811584ca ffff88007df8ce08 0000000100000000 00000000000003ff
[51549.024103] Call Trace:
[51549.024117]  [<ffffffff8171f226>] dump_stack+0x45/0x56
[51549.024127]  [<ffffffff81719d40>] bad_page.part.61+0xcf/0xe8
[51549.024136]  [<ffffffff811584ca>] get_page_from_freelist+0x85a/0x930
[51549.024145]  [<ffffffff81158724>] __alloc_pages_nodemask+0x184/0xb80
[51549.024155]  [<ffffffff8109a9b2>] ? default_wake_function+0x12/0x20
[51549.024165]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[51549.024173]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[51549.024182]  [<ffffffff81019a34>] dma_generic_alloc_coherent+0xa4/0x150
[51549.024204]  [<ffffffffa04cf7f2>] cx23885_risc_databuffer+0xb2/0x170 [cx23885]
[51549.024222]  [<ffffffffa04d0627>] cx23885_buf_prepare+0x77/0xd0 [cx23885]
[51549.024240]  [<ffffffffa04d1ca9>] buffer_prepare+0x19/0x20 [cx23885]
[51549.024254]  [<ffffffffa03ee7de>] __buf_prepare+0x27e/0x390 [videobuf2_core]
[51549.024268]  [<ffffffffa03effdb>] vb2_internal_qbuf+0x6b/0x220 [videobuf2_core]
[51549.024281]  [<ffffffffa03f029e>] vb2_thread+0x10e/0x480 [videobuf2_core]
[51549.024295]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[51549.024302]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[51549.024310]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[51549.024317]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[51549.024325]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[51591.022389] vb2: counters for queue ffff88007786a828: UNBALANCED!
[51591.022401] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[51591.022406] vb2:     wait_prepare: 16265 wait_finish: 16264
[68211.929449] BUG: Bad page state in process vb2-cx23885[0]  pfn:04120
[68211.929520] page:ffffea0000104800 count:-1 mapcount:0 mapping:          (null) index:0x0
[68211.929554] vb2: counters for queue ffff88007786a828: UNBALANCED!
[68211.929558] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[68211.929560] vb2:     wait_prepare: 10122 wait_finish: 10123
[68211.929564] vb2:   counters for queue ffff88007786a828, buffer 13: UNBALANCED!
[68211.929566] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 106 buf_finish: 107
[68211.929568] vb2:     buf_queue: 106 buf_done: 106
[68211.929570] vb2:     alloc: 1 put: 1 prepare: 106 finish: 106 mmap: 0
[68211.929571] vb2:     get_userptr: 0 put_userptr: 0
[68211.929573] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[68211.929575] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 107 cookie: 107
[68211.929647] page flags: 0x1ffff0000000000()
[68211.929705] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[68211.929852] CPU: 1 PID: 7766 Comm: vb2-cx23885[0] Tainted: G    B      OX 3.13.0-40-generic #69-Ubuntu
[68211.929857] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[68211.929862]  ffff88007dc977c8 ffff8800362d1af8 ffffffff8171f226 ffffea0000104800
[68211.929871]  ffff8800362d1b10 ffffffff81719d40 0000000000000001 ffff8800362d1bf0
[68211.929878]  ffffffff811584ca ffff88007df8ce08 0000000100000000 ffff8800761e9868
[68211.929886] Call Trace:
[68211.929901]  [<ffffffff8171f226>] dump_stack+0x45/0x56
[68211.929911]  [<ffffffff81719d40>] bad_page.part.61+0xcf/0xe8
[68211.929921]  [<ffffffff811584ca>] get_page_from_freelist+0x85a/0x930
[68211.929931]  [<ffffffff810981c5>] ? check_preempt_curr+0x85/0xa0
[68211.929939]  [<ffffffff81158724>] __alloc_pages_nodemask+0x184/0xb80
[68211.929949]  [<ffffffff8109a9b2>] ? default_wake_function+0x12/0x20
[68211.929958]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[68211.929966]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[68211.929976]  [<ffffffff81019a34>] dma_generic_alloc_coherent+0xa4/0x150
[68211.929999]  [<ffffffffa04cf7f2>] cx23885_risc_databuffer+0xb2/0x170 [cx23885]
[68211.930017]  [<ffffffffa04d0627>] cx23885_buf_prepare+0x77/0xd0 [cx23885]
[68211.930035]  [<ffffffffa04d1ca9>] buffer_prepare+0x19/0x20 [cx23885]
[68211.930049]  [<ffffffffa03ee7de>] __buf_prepare+0x27e/0x390 [videobuf2_core]
[68211.930063]  [<ffffffffa03effdb>] vb2_internal_qbuf+0x6b/0x220 [videobuf2_core]
[68211.930077]  [<ffffffffa03f029e>] vb2_thread+0x10e/0x480 [videobuf2_core]
[68211.930090]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[68211.930098]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[68211.930105]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[68211.930113]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[68211.930120]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[68236.929553] vb2: counters for queue ffff88007786a828: UNBALANCED!
[68236.929561] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[68236.929564] vb2:     wait_prepare: 12755 wait_finish: 12754
[71796.910298] BUG: unable to handle kernel NULL pointer dereference at 0000000000000260
[71796.910426] IP: [<ffffffffa04a41ef>] dvb_fnc+0xf/0x40 [videobuf2_dvb]
[71796.910495] PGD 75957067 PUD 79636067 PMD 0 
[71796.910553] Oops: 0000 [#1] SMP 
[71796.910597] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[71796.912060] CPU: 1 PID: 11986 Comm: vb2-cx23885[0] Tainted: G    B      OX 3.13.0-40-generic #69-Ubuntu
[71796.912132] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[71796.912192] task: ffff880076b0b000 ti: ffff88003615a000 task.ti: ffff88003615a000
[71796.912249] RIP: 0010:[<ffffffffa04a41ef>]  [<ffffffffa04a41ef>] dvb_fnc+0xf/0x40 [videobuf2_dvb]
[71796.912329] RSP: 0018:ffff88003615be50  EFLAGS: 00010246
[71796.912373] RAX: 0000000000000006 RBX: ffff88007913a800 RCX: 0000000000000000
[71796.912431] RDX: ffff88003615bfd8 RSI: ffff88007786a818 RDI: 0000000000000000
[71796.912484] RBP: ffff88003615be60 R08: ffff88003615a000 R09: 0000000000000000
[71796.912536] R10: 0000000000000000 R11: ffffffffa03f1dba R12: ffff88007786a818
[71796.912588] R13: ffff88007712cfe0 R14: 0000000000000000 R15: ffff88007786a828
[71796.912642] FS:  00007f6618ff9700(0000) GS:ffff88007dc80000(0000) knlGS:0000000000000000
[71796.912702] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[71796.912751] CR2: 0000000000000260 CR3: 000000007894d000 CR4: 00000000000007e0
[71796.912803] Stack:
[71796.912825]  ffff88007913a800 ffff88007913a858 ffff88003615bec8 ffffffffa03f0428
[71796.912915]  ffff880076b0b000 ffff88007913a870 0000000000014480 0000000000000000
[71796.913003]  0000000000000000 ffff88007786a828 ffff880076dbca00 ffff88007786a828
[71796.913092] Call Trace:
[71796.913135]  [<ffffffffa03f0428>] vb2_thread+0x298/0x480 [videobuf2_core]
[71796.913204]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[71796.916137]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[71796.919156]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[71796.922377]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[71796.925517]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[71796.928667] Code: eb c8 66 2e 0f 1f 84 00 00 00 00 00 44 8b ab 90 02 00 00 eb b5 b8 ea ff ff ff eb b9 66 66 66 66 90 55 48 89 e5 41 54 49 89 f4 53 <8b> 87 60 02 00 00 31 db 85 c0 74 03 8b 5f 58 31 f6 e8 5b 86 f4 
[71796.935224] RIP  [<ffffffffa04a41ef>] dvb_fnc+0xf/0x40 [videobuf2_dvb]
[71796.938285]  RSP <ffff88003615be50>
[71796.941584] CR2: 0000000000000260
[71796.951456] ---[ end trace 979588097c40322b ]---
[71953.908408] BUG: Bad page state in process vb2-cx23885[0]  pfn:108a9
[71953.908584] vb2: counters for queue ffff88007786a828: UNBALANCED!
[71953.908588] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[71953.908590] vb2:     wait_prepare: 14988 wait_finish: 14989
[71953.908594] vb2:   counters for queue ffff88007786a828, buffer 3: UNBALANCED!
[71953.908596] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 157 buf_finish: 158
[71953.908597] vb2:     buf_queue: 157 buf_done: 157
[71953.908600] vb2:     alloc: 1 put: 1 prepare: 157 finish: 157 mmap: 0
[71953.908601] vb2:     get_userptr: 0 put_userptr: 0
[71953.908603] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[71953.908605] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 158 cookie: 158
[71953.942093] page:ffffea0000422a40 count:-1 mapcount:0 mapping:          (null) index:0x0
[71953.944859] page flags: 0x1ffff0000000000()
[71953.947557] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[71953.973820] CPU: 0 PID: 12013 Comm: vb2-cx23885[0] Tainted: G    B D    OX 3.13.0-40-generic #69-Ubuntu
[71953.976685] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[71953.979536]  ffff88007dc177c8 ffff880035493af8 ffffffff8171f226 ffffea0000422a40
[71953.982504]  ffff880035493b10 ffffffff81719d40 0000000000000001 ffff880035493bf0
[71953.985438]  ffffffff811584ca ffff88007df8ce08 0000000100000000 ffff880078dc0e00
[71953.988345] Call Trace:
[71953.991474]  [<ffffffff8171f226>] dump_stack+0x45/0x56
[71953.994318]  [<ffffffff81719d40>] bad_page.part.61+0xcf/0xe8
[71953.997143]  [<ffffffff811584ca>] get_page_from_freelist+0x85a/0x930
[71954.000212]  [<ffffffff81158724>] __alloc_pages_nodemask+0x184/0xb80
[71954.003298]  [<ffffffff8109a9b2>] ? default_wake_function+0x12/0x20
[71954.006435]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[71954.009241]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[71954.011980]  [<ffffffff81019a34>] dma_generic_alloc_coherent+0xa4/0x150
[71954.015013]  [<ffffffffa04cf7f2>] cx23885_risc_databuffer+0xb2/0x170 [cx23885]
[71954.018051]  [<ffffffffa04d0627>] cx23885_buf_prepare+0x77/0xd0 [cx23885]
[71954.020891]  [<ffffffffa04d1ca9>] buffer_prepare+0x19/0x20 [cx23885]
[71954.023655]  [<ffffffffa03ee7de>] __buf_prepare+0x27e/0x390 [videobuf2_core]
[71954.026688]  [<ffffffffa03effdb>] vb2_internal_qbuf+0x6b/0x220 [videobuf2_core]
[71954.029723]  [<ffffffffa03f029e>] vb2_thread+0x10e/0x480 [videobuf2_core]
[71954.032709]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[71954.035528]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[71954.038322]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[71954.041120]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[71954.043905]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[72000.908350] vb2: counters for queue ffff88007786a828: UNBALANCED!
[72000.910930] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[72000.913505] vb2:     wait_prepare: 13757 wait_finish: 13756
[73330.900420] BUG: Bad page state in process vb2-cx23885[0]  pfn:76a96
[73330.900526] vb2: counters for queue ffff88007786a828: UNBALANCED!
[73330.900530] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[73330.900533] vb2:     wait_prepare: 12597 wait_finish: 12598
[73330.900536] vb2:   counters for queue ffff88007786a828, buffer 6: UNBALANCED!
[73330.900539] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 132 buf_finish: 133
[73330.900540] vb2:     buf_queue: 132 buf_done: 132
[73330.900543] vb2:     alloc: 1 put: 1 prepare: 132 finish: 132 mmap: 0
[73330.900544] vb2:     get_userptr: 0 put_userptr: 0
[73330.900546] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[73330.900548] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 133 cookie: 133
[73330.930231] page:ffffea0001daa580 count:-1 mapcount:0 mapping:          (null) index:0x0
[73330.932974] page flags: 0x1ffff0000000000()
[73330.935396] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[73330.958607] CPU: 1 PID: 12280 Comm: vb2-cx23885[0] Tainted: G    B D    OX 3.13.0-40-generic #69-Ubuntu
[73330.961226] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[73330.964018]  ffff88007dc977c8 ffff880078767af8 ffffffff8171f226 ffffea0001daa580
[73330.966856]  ffff880078767b10 ffffffff81719d40 0000000000000001 ffff880078767bf0
[73330.969710]  ffffffff811584ca ffff88007df8ce08 0000000100000000 00000000000003ff
[73330.972310] Call Trace:
[73330.975151]  [<ffffffff8171f226>] dump_stack+0x45/0x56
[73330.978031]  [<ffffffff81719d40>] bad_page.part.61+0xcf/0xe8
[73330.980863]  [<ffffffff811584ca>] get_page_from_freelist+0x85a/0x930
[73330.983675]  [<ffffffff81158724>] __alloc_pages_nodemask+0x184/0xb80
[73330.986604]  [<ffffffff8109a9b2>] ? default_wake_function+0x12/0x20
[73330.989482]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[73330.992330]  [<ffffffff810aa9b8>] ? __wake_up_common+0x58/0x90
[73330.994896]  [<ffffffff81019a34>] dma_generic_alloc_coherent+0xa4/0x150
[73330.997742]  [<ffffffffa04cf7f2>] cx23885_risc_databuffer+0xb2/0x170 [cx23885]
[73331.000582]  [<ffffffffa04d0627>] cx23885_buf_prepare+0x77/0xd0 [cx23885]
[73331.003184]  [<ffffffffa04d1ca9>] buffer_prepare+0x19/0x20 [cx23885]
[73331.005784]  [<ffffffffa03ee7de>] __buf_prepare+0x27e/0x390 [videobuf2_core]
[73331.008375]  [<ffffffffa03effdb>] vb2_internal_qbuf+0x6b/0x220 [videobuf2_core]
[73331.011256]  [<ffffffffa03f029e>] vb2_thread+0x10e/0x480 [videobuf2_core]
[73331.014104]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[73331.016982]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[73331.019536]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[73331.022362]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[73331.025176]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[73360.900461] vb2: counters for queue ffff88007786a828: UNBALANCED!
[73360.903081] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[73360.905665] vb2:     wait_prepare: 17252 wait_finish: 17251
[74440.894465] vb2:   counters for queue ffff88007786a828, buffer 27: UNBALANCED!
[74440.897058] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 188 buf_finish: 187
[74440.899637] vb2:     buf_queue: 187 buf_done: 187
[74440.902204] vb2:     alloc: 1 put: 1 prepare: 187 finish: 187 mmap: 0
[74440.904781] vb2:     get_userptr: 0 put_userptr: 0
[74440.907599] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[74440.910270] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 188 cookie: 188
[76250.884141] vb2:   counters for queue ffff88007786a828, buffer 14: UNBALANCED!
[76250.886783] vb2:     buf_init: 1 buf_cleanup: 1 buf_prepare: 146 buf_finish: 145
[76250.889371] vb2:     buf_queue: 145 buf_done: 145
[76250.891895] vb2:     alloc: 1 put: 1 prepare: 145 finish: 145 mmap: 0
[76250.894650] vb2:     get_userptr: 0 put_userptr: 0
[76250.897361] vb2:     attach_dmabuf: 0 detach_dmabuf: 0 map_dmabuf: 0 unmap_dmabuf: 0
[76250.900028] vb2:     get_dmabuf: 0 num_users: 0 vaddr: 146 cookie: 146
[76897.880531] BUG: unable to handle kernel NULL pointer dereference at           (null)
[76897.880622] vb2: counters for queue ffff88007786a828: UNBALANCED!
[76897.880626] vb2:     setup: 1 start_streaming: 1 stop_streaming: 1
[76897.880628] vb2:     wait_prepare: 14412 wait_finish: 14413
[76897.889809] IP: [<ffffffffa04d061c>] cx23885_buf_prepare+0x6c/0xd0 [cx23885]
[76897.892032] PGD 75957067 PUD 79636067 PMD 0 
[76897.894224] Oops: 0000 [#2] SMP 
[76897.896372] Modules linked in: xt_multiport ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt si2157(OX) si2168(OX) m88ts2022(OX) m88ds3103(OX) i2c_mux rc_it913x_v1(OX) it913x(OX) af9033(OX) cx25840(OX) cx23885(OX) altera_ci(OX) tda18271(OX) altera_stapl(OX) videobuf2_dvb(OX) tveeprom(OX) cx2341x(OX) videobuf2_dma_sg(OX) videobuf2_memops(OX) dm_multipath scsi_dh kvm_amd kvm videobuf2_core(OX) v4l2_common(OX) videodev(OX) dvb_usb_af9035(OX) amd64_edac_mod dvb_usb_v2(OX) dvb_core(OX) media(OX) rc_core(OX) k10temp edac_core edac_mce_amd sp5100_tco i2c_piix4 snd_pcm parport_pc snd_page_alloc ppdev shpchp lp snd_timer parport snd soundcore mac_hid msr raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon usb_storage tg3 i2c_algo_bit ptp pps_core ttm drm_kms_helper drm ahci libahci
[76897.918364] CPU: 1 PID: 12918 Comm: vb2-cx23885[0] Tainted: G    B D    OX 3.13.0-40-generic #69-Ubuntu
[76897.920901] Hardware name: HP ProLiant MicroServer, BIOS O41     07/29/2011
[76897.923473] task: ffff880078758000 ti: ffff880079940000 task.ti: ffff880079940000
[76897.926063] RIP: 0010:[<ffffffffa04d061c>]  [<ffffffffa04d061c>] cx23885_buf_prepare+0x6c/0xd0 [cx23885]
[76897.928709] RSP: 0018:ffff880079941dd0  EFLAGS: 00010246
[76897.931328] RAX: 0000000000005e00 RBX: ffff880078f11570 RCX: 00000000000002f0
[76897.934283] RDX: 0000000000005e00 RSI: ffff8800792e53b8 RDI: ffff88007a28c000
[76897.936951] RBP: ffff880079941df8 R08: 0000000000000020 R09: 0000000000000000
[76897.939872] R10: ffff88007786a828 R11: ffff88007786a828 R12: ffff8800792e5000
[76897.942554] R13: 0000000000005e00 R14: ffff880078f10000 R15: 0000000000000000
[76897.945522] FS:  00007f66349b97c0(0000) GS:ffff88007dc80000(0000) knlGS:0000000000000000
[76897.948475] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[76897.951477] CR2: 0000000000000000 CR3: 000000007894d000 CR4: 00000000000007e0
[76897.954220] Stack:
[76897.957221]  ffff8800792e5000 ffff8800792e7458 ffff8800792e5000 0000000000000000
[76897.960256]  ffff88007786a828 ffff880079941e08 ffffffffa04d1ca9 ffff880079941e38
[76897.963336]  ffffffffa03ee7de 0000000000005e00 ffff88007786a828 ffff8800792e7458
[76897.966423] Call Trace:
[76897.969466]  [<ffffffffa04d1ca9>] buffer_prepare+0x19/0x20 [cx23885]
[76897.972249]  [<ffffffffa03ee7de>] __buf_prepare+0x27e/0x390 [videobuf2_core]
[76897.975317]  [<ffffffffa03effdb>] vb2_internal_qbuf+0x6b/0x220 [videobuf2_core]
[76897.978108]  [<ffffffffa03f029e>] vb2_thread+0x10e/0x480 [videobuf2_core]
[76897.980897]  [<ffffffffa03f0190>] ? vb2_internal_qbuf+0x220/0x220 [videobuf2_core]
[76897.983632]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[76897.986657]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[76897.989680]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[76897.992657]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[76897.995677] Code: 24 60 02 00 00 85 c0 75 3e 45 85 ed 75 4d 90 8b 8b f0 00 00 00 49 8b be 20 01 00 00 49 8d b4 24 b8 03 00 00 44 8b 83 f4 00 00 00 <49> 8b 17 45 31 c9 e8 19 f1 ff ff 31 c0 5b 41 5c 41 5d 41 5e 41 
[76898.001981] RIP  [<ffffffffa04d061c>] cx23885_buf_prepare+0x6c/0xd0 [cx23885]
[76898.004950]  RSP <ffff880079941dd0>
[76898.008118] CR2: 0000000000000000
[76898.017791] ---[ end trace 979588097c40322c ]---