Hello, i use TVH 4.2.8 on Banana PI R2 board and DVB-S2 card TBS6981. if i use only one tuner everything works well but if i plugg second coax cable then TVH stops working and some messages appears in syslog. Do you know what problem is there ?
May 3 12:31:09 Server kernel: [ 309.280986] 8<--- cut here ---
May 3 12:31:09 Server kernel: [ 309.284116] Unable to handle kernel NULL pointer dereference at virtual address 00000004
May 3 12:31:09 Server kernel: [ 309.292268] pgd = c7b05068
May 3 12:31:09 Server kernel: [ 309.295001] [00000004] *pgd=00000000
May 3 12:31:09 Server kernel: [ 309.298587] Internal error: Oops: 805 [#1] SMP ARM
May 3 12:31:09 Server kernel: [ 309.303381] Modules linked in: tun cx24117 cx25840 cx23885 altera_ci altera_stapl videobuf2_dvb videobuf2_dma_sg tveeprom cx2341x lima gpu_sched mt6577_auxadc mtk_thermal spi_mt65xx pwm_mediatek mtk_pmic_keys nvmem_mtk_efuse ip_tables x_tables
May 3 12:31:09 Server kernel: [ 309.324987] CPU: 3 PID: 1169 Comm: tvh:lnxdvb-fron Not tainted 5.4.24-bpi-r2 #2
May 3 12:31:09 Server kernel: [ 309.332301] Hardware name: Mediatek Cortex-A7 (Device Tree)
May 3 12:31:09 Server kernel: [ 309.337977] PC is at cx23885_buf_queue+0x34/0x178 [cx23885]
May 3 12:31:09 Server kernel: [ 309.343611] LR is at buffer_queue+0x24/0x28 [cx23885]
May 3 12:31:09 Server kernel: [ 309.348665] pc : [<bf086b10>] lr : [<bf089d30>] psr: a00b0013
May 3 12:31:09 Server kernel: [ 309.354932] sp : d7985c18 ip : d7985c50 fp : d7985c4c
May 3 12:31:09 Server kernel: [ 309.360155] r10: dba3f910 r9 : 00000020 r8 : 00000020
May 3 12:31:09 Server kernel: [ 309.365380] r7 : 00000020 r6 : dea93544 r5 : dea92000 r4 : d708f800
May 3 12:31:09 Server kernel: [ 309.371908] r3 : 0000000b r2 : 00000000 r1 : 00000000 r0 : dea934ac
May 3 12:31:09 Server kernel: [ 309.378437] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
May 3 12:31:09 Server kernel: [ 309.385573] Control: 10c5387d Table: 97d7806a DAC: 00000051
May 3 12:31:09 Server kernel: [ 309.391325] Process tvh:lnxdvb-fron (pid: 1169, stack limit = 0x4561abe7)
May 3 12:31:09 Server kernel: [ 309.398115] Stack: (0xd7985c18 to 0xd7986000)
May 3 12:31:09 Server kernel: [ 309.402473] 5c00: 00000002 c011a0c4
May 3 12:31:09 Server kernel: [ 309.410658] 5c20: 00000001 d708f800 dba3f818 d708f800 00000020 00000020 00000020 dba3f910
May 3 12:31:09 Server kernel: [ 309.418846] 5c40: d7985c5c d7985c50 bf089d30 bf086ae8 d7985c7c d7985c60 c089bc48 bf089d18
May 3 12:31:09 Server kernel: [ 309.427033] 5c60: d708f800 dba3f914 dba3f818 00000020 d7985c9c d7985c80 c089c948 c089bbe4
May 3 12:31:09 Server kernel: [ 309.435219] 5c80: dba3f818 da5d7800 00000000 00000020 d7985cb4 d7985ca0 c089e06c c089c920
May 3 12:31:09 Server kernel: [ 309.443404] 5ca0: dba3f818 da5d7800 d7985cec d7985cb8 c089fc18 c089df48 00000dc0 d7b67680
May 3 12:31:09 Server kernel: [ 309.451590] 5cc0: ffe00000 dba3f818 dba3f810 d7b67c40 dea92f50 bf055200 00000000 00000000
May 3 12:31:09 Server kernel: [ 309.459775] 5ce0: d7985d1c d7985cf0 c08a05fc c089f9b8 d7985d2c d7985d00 c088a148 dba3f960
May 3 12:31:09 Server kernel: [ 309.467960] 5d00: dba3f810 dba3f948 dba3fb28 00000000 d7985d3c d7985d20 bf0551e0 c08a0580
May 3 12:31:09 Server kernel: [ 309.476145] 5d20: dba3f960 e18b6000 e18b5000 dba3fb28 d7985d64 d7985d40 c088a9b0 bf055170
May 3 12:31:09 Server kernel: [ 309.484330] 5d40: 00000000 e18b5000 e165c000 dba3fb60 00000000 00000000 d7985d94 d7985d68
May 3 12:31:09 Server kernel: [ 309.492514] 5d60: c08871e4 c088a95c 00000000 00000000 d7b67f80 dba3fb60 e165c000 00000004
May 3 12:31:09 Server kernel: [ 309.500701] 5d80: e165c004 e165c204 d7985dbc d7985d98 c0888a50 c0887130 e165c000 dba3fd30
May 3 12:31:09 Server kernel: [ 309.508887] 5da0: d7985e14 00000004 dba3fb60 e165c204 d7985dfc d7985dc0 c0889308 c08889cc
May 3 12:31:09 Server kernel: [ 309.517072] 5dc0: d7985df4 d7985dd0 c02fdb1c c0318704 00000000 c1304e48 40146f2c 00000001
May 3 12:31:09 Server kernel: [ 309.525259] 5de0: ab5f1ee4 d7985e14 d7f32240 00000000 d7985ec4 d7985e00 c0886fe4 c0888dbc
May 3 12:31:09 Server kernel: [ 309.533444] 5e00: c13cf0c0 c0888db0 00000051 00000014 d7984000 00000012 00000000 00000002
May 3 12:31:09 Server kernel: [ 309.541630] 5e20: 00000014 00000004 00000000 00000000 000041ed 00000006 00000000 00000000
May 3 12:31:09 Server kernel: [ 309.549815] 5e40: 00000002 db8b3378 dccc46d0 dc7d1d48 d7985e9c d7985e60 c02ea4b4 bd4da178
May 3 12:31:09 Server kernel: [ 309.558001] 5e60: 00000000 c1304e48 c1304e48 d7985e90 d7985f50 00000001 d7984000 c0304a0c
May 3 12:31:09 Server kernel: [ 309.566187] 5e80: d7985f44 d7985e90 c0304a0c c02fd758 dccc46d0 bd4da178 da8484eb c1304e48
May 3 12:31:09 Server kernel: [ 309.574373] 5ea0: ab5f1ee4 d7f32240 d7f32240 db8b3378 00000033 00000036 d7985ed4 d7985ec8
May 3 12:31:09 Server kernel: [ 309.582558] 5ec0: c0887678 c0886ef8 d7985f6c d7985ed8 c0307a64 c0887664 00000000 c0315b7c
May 3 12:31:09 Server kernel: [ 309.590743] 5ee0: d7985f0c d7985ef0 c0315b7c c0cd8dd4 c1304e48 00000002 d7f32240 00000001
May 3 12:31:09 Server kernel: [ 309.598929] 5f00: d7985f4c d7985f10 c030654c c0315b50 c1304e48 b577c000 00000033 00000002
May 3 12:31:09 Server kernel: [ 309.607114] 5f20: d7985f3c c02f41d8 c1304e48 c0314b14 ab5f2108 00000033 00000002 bd4da178
May 3 12:31:09 Server kernel: [ 309.615299] 5f40: d7985f5c d7f32241 00000033 d7f32240 40146f2c ab5f1ee4 d7984000 00000036
May 3 12:31:09 Server kernel: [ 309.623484] 5f60: d7985f94 d7985f70 c0308334 c03079b0 ab5f2108 00000012 00000002 00000036
May 3 12:31:09 Server kernel: [ 309.631669] 5f80: c0101204 d7984000 d7985fa4 d7985f98 c0308374 c03082fc 00000000 d7985fa8
May 3 12:31:09 Server kernel: [ 309.639853] 5fa0: c0101000 c0308368 ab5f2108 00000012 00000033 40146f2c ab5f1ee4 00000004
May 3 12:31:09 Server kernel: [ 309.648039] 5fc0: ab5f2108 00000012 00000002 00000036 ab5f2008 007a3afc 00000020 007a3ae0
May 3 12:31:09 Server kernel: [ 309.656225] 5fe0: 00708af4 ab5f1ec4 005ac61b b571af08 000b0030 00000033 00000000 00000000
May 3 12:31:09 Server kernel: [ 309.664403] Backtrace:
May 3 12:31:09 Server kernel: [ 309.666988] [<bf086adc>] (cx23885_buf_queue [cx23885]) from [<bf089d30>] (buffer_queue+0x24/0x28 [cx23885])
May 3 12:31:09 Server kernel: [ 309.676745] r10:dba3f910 r9:00000020 r8:00000020 r7:00000020 r6:d708f800 r5:dba3f818
May 3 12:31:09 Server kernel: [ 309.684579] r4:d708f800
May 3 12:31:09 Server kernel: [ 309.687179] [<bf089d0c>] (buffer_queue [cx23885]) from [<c089bc48>] (__enqueue_in_driver+0x70/0xe0)
May 3 12:31:09 Server kernel: [ 309.696237] [<c089bbd8>] (__enqueue_in_driver) from [<c089c948>] (vb2_start_streaming+0x34/0x178)
May 3 12:31:09 Server kernel: [ 309.705117] r7:00000020 r6:dba3f818 r5:dba3f914 r4:d708f800
May 3 12:31:09 Server kernel: [ 309.710781] [<c089c914>] (vb2_start_streaming) from [<c089e06c>] (vb2_core_streamon+0x130/0x16c)
May 3 12:31:09 Server kernel: [ 309.719573] r7:00000020 r6:00000000 r5:da5d7800 r4:dba3f818
May 3 12:31:09 Server kernel: [ 309.725237] [<c089df3c>] (vb2_core_streamon) from [<c089fc18>] (__vb2_init_fileio+0x26c/0x2f0)
May 3 12:31:09 Server kernel: [ 309.733853] r5:da5d7800 r4:dba3f818
May 3 12:31:09 Server kernel: [ 309.737433] [<c089f9ac>] (__vb2_init_fileio) from [<c08a05fc>] (vb2_thread_start+0x88/0x160)
May 3 12:31:09 Server kernel: [ 309.745880] r10:00000000 r9:00000000 r8:bf055200 r7:dea92f50 r6:d7b67c40 r5:dba3f810
May 3 12:31:09 Server kernel: [ 309.753712] r4:dba3f818
May 3 12:31:09 Server kernel: [ 309.756255] [<c08a0574>] (vb2_thread_start) from [<bf0551e0>] (vb2_dvb_start_feed+0x7c/0x9c [videobuf2_dvb])
May 3 12:31:09 Server kernel: [ 309.766090] r8:00000000 r7:dba3fb28 r6:dba3f948 r5:dba3f810 r4:dba3f960
May 3 12:31:09 Server kernel: [ 309.772800] [<bf055164>] (vb2_dvb_start_feed [videobuf2_dvb]) from [<c088a9b0>] (dmx_ts_feed_start_filtering+0x60/0xf0)
May 3 12:31:09 Server kernel: [ 309.783590] r7:dba3fb28 r6:e18b5000 r5:e18b6000 r4:dba3f960
May 3 12:31:09 Server kernel: [ 309.789255] [<c088a950>] (dmx_ts_feed_start_filtering) from [<c08871e4>] (dvb_dmxdev_start_feed+0xc0/0xf0)
May 3 12:31:09 Server kernel: [ 309.798917] r9:00000000 r8:00000000 r7:dba3fb60 r6:e165c000 r5:e18b5000 r4:00000000
May 3 12:31:09 Server kernel: [ 309.806668] [<c0887124>] (dvb_dmxdev_start_feed) from [<c0888a50>] (dvb_dmxdev_filter_start+0x90/0x3f0)
May 3 12:31:09 Server kernel: [ 309.816069] r9:e165c204 r8:e165c004 r7:00000004 r6:e165c000 r5:dba3fb60 r4:d7b67f80
May 3 12:31:09 Server kernel: [ 309.823819] [<c08889c0>] (dvb_dmxdev_filter_start) from [<c0889308>] (dvb_demux_do_ioctl+0x558/0x610)
May 3 12:31:09 Server kernel: [ 309.833048] r9:e165c204 r8:dba3fb60 r7:00000004 r6:d7985e14 r5:dba3fd30 r4:e165c000
May 3 12:31:09 Server kernel: [ 309.840799] [<c0888db0>] (dvb_demux_do_ioctl) from [<c0886fe4>] (dvb_usercopy+0xf8/0x1f4)
May 3 12:31:09 Server kernel: [ 309.848985] r10:00000000 r9:d7f32240 r8:d7985e14 r7:ab5f1ee4 r6:00000001 r5:40146f2c
May 3 12:31:09 Server kernel: [ 309.856818] r4:c1304e48
May 3 12:31:09 Server kernel: [ 309.859355] [<c0886eec>] (dvb_usercopy) from [<c0887678>] (dvb_demux_ioctl+0x20/0x24)
May 3 12:31:09 Server kernel: [ 309.867192] r10:00000036 r9:00000033 r8:db8b3378 r7:d7f32240 r6:d7f32240 r5:ab5f1ee4
May 3 12:31:09 Server kernel: [ 309.875024] r4:c1304e48
May 3 12:31:09 Server kernel: [ 309.877561] [<c0887658>] (dvb_demux_ioctl) from [<c0307a64>] (do_vfs_ioctl+0xc0/0x94c)
May 3 12:31:09 Server kernel: [ 309.885484] [<c03079a4>] (do_vfs_ioctl) from [<c0308334>] (ksys_ioctl+0x44/0x6c)
May 3 12:31:09 Server kernel: [ 309.892887] r10:00000036 r9:d7984000 r8:ab5f1ee4 r7:40146f2c r6:d7f32240 r5:00000033
May 3 12:31:09 Server kernel: [ 309.900719] r4:d7f32241
May 3 12:31:09 Server kernel: [ 309.903255] [<c03082f0>] (ksys_ioctl) from [<c0308374>] (sys_ioctl+0x18/0x1c)
May 3 12:31:09 Server kernel: [ 309.910394] r9:d7984000 r8:c0101204 r7:00000036 r6:00000002 r5:00000012 r4:ab5f2108
May 3 12:31:09 Server kernel: [ 309.918145] [<c030835c>] (sys_ioctl) from [<c0101000>] (ret_fast_syscall+0x0/0x54)
May 3 12:31:09 Server kernel: [ 309.925718] Exception stack(0xd7985fa8 to 0xd7985ff0)
May 3 12:31:09 Server kernel: [ 309.930774] 5fa0: ab5f2108 00000012 00000033 40146f2c ab5f1ee4 00000004
May 3 12:31:09 Server kernel: [ 309.938960] 5fc0: ab5f2108 00000012 00000002 00000036 ab5f2008 007a3afc 00000020 007a3ae0
May 3 12:31:09 Server kernel: [ 309.947143] 5fe0: 00708af4 ab5f1ec4 005ac61b b571af08
May 3 12:31:09 Server kernel: [ 309.952201] Code: e1a06000 e4965098 e3a02000 e283300c (e5813004)
May 3 12:31:09 Server kernel: [ 309.958429] ---[ end trace 84f608afd2ad4c09 ]---
