Similar issue, invalid op code, different location Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450620] ------------[ cut here ]------------ Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450626] Kernel BUG at ffffffffa03375b3 [verbose debug info unavailable] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450629] invalid opcode: 0000 [#1] SMP Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450632] Modules linked in: dvb_usb_tbsqbox2ci dvb_usb stb6100 cx88_dvb snd_hda_codec_generic stv090x cx88_vp3054_i2c videobuf2_dvb dvb_core snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm kvm_intel snd_seq_midi snd_seq_midi_event kvm ghash_clmulni_intel snd_rawmidi cx8800 cx8802 cx88xx aesni_intel videobuf2_core aes_x86_64 lrw snd_seq videobuf2_dma_sg gf128mul videobuf2_memops glue_helper tveeprom ablk_helper rc_core v4l2_common snd_seq_device cryptd dm_multipath videodev snd_timer scsi_dh i2c_algo_bit microcode virtio_balloon snd serio_raw soundcore virtio_console i2c_piix4 bnep rfcomm bluetooth mac_hid parport_pc ppdev binfmt_misc lp parport dm_mirror dm_region_hash dm_log psmouse vmwgfx ttm drm_kms_helper drm floppy Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450669] CPU: 5 PID: 3872 Comm: vb2-cx88[0] Not tainted 3.19.0-rc1+ #1 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_171129-lamiak 04/01/2014 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450673] task: ffff8800b9aacaa0 ti: ffff88022beb0000 task.ti: ffff88022beb0000 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450675] RIP: 0010:[<ffffffffa03375b3>] [<ffffffffa03375b3>] cx88_risc_databuffer+0x153/0x170 [cx88xx] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450682] RSP: 0018:ffff88022beb3d18 EFLAGS: 00010206 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450684] RAX: 0000000000000000 RBX: ffff88022ef68760 RCX: 00000000000004f0 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450686] RDX: 0000000000000118 RSI: ffff8801dc23ba40 RDI: ffff8801dc23ba60 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450687] RBP: ffff88022beb3d68 R08: 00000000000002f0 R09: 0000000000000000 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450688] R10: 0000000000000000 R11: ffffea0002eb7640 R12: 0000000000000020 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450690] R13: ffff8801dc23ba40 R14: 00000000000002f0 R15: 0000000000000000 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450696] FS: 0000000000000000(0000) GS:ffff880239d40000(0000) knlGS:0000000000000000 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450702] CR2: 00007f496996f000 CR3: 00000000bb0c2000 CR4: 00000000001406e0 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450703] Stack: Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450704] ffff880200000020 ffffffff00000000 ffff880200000001 ffffffff810098a5 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450707] ffff88022beb3d78 ffff88022ef68400 ffff88022e86a000 0000000000005e00 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450710] ffff88022ef68760 ffff88022d7d6828 ffff88022beb3dc8 ffffffffa02aa2bb Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450713] Call Trace: Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450720] [<ffffffff810098a5>] ? dma_generic_free_coherent+0x25/0x30 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450725] [<ffffffffa02aa2bb>] cx8802_buf_prepare+0x7b/0x170 [cx8802] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450729] [<ffffffffa040206c>] buffer_prepare+0x1c/0x20 [cx88_dvb] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450734] [<ffffffffa02549e5>] __buf_prepare+0x275/0x330 [videobuf2_core] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450739] [<ffffffffa0254fdb>] vb2_internal_qbuf+0x7b/0x240 [videobuf2_core] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450743] [<ffffffffa0255289>] vb2_thread+0xe9/0x260 [videobuf2_core] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450747] [<ffffffffa02551a0>] ? vb2_internal_qbuf+0x240/0x240 [videobuf2_core] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450752] [<ffffffff810745d2>] kthread+0xd2/0xf0 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450755] [<ffffffff81074500>] ? kthread_create_on_node+0x180/0x180 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450760] [<ffffffff817360ec>] ret_from_fork+0x7c/0xb0 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450764] [<ffffffff81074500>] ? kthread_create_on_node+0x180/0x180 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450765] Code: 48 83 c4 28 b8 f4 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 40 00 48 8b 05 91 46 8e e1 49 c7 c2 80 b9 c1 81 e9 13 ff ff ff <0f> 0b b9 ff ff ff ff 48 39 f9 19 c9 83 e1 fc 81 c1 24 80 00 00 Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450792] RIP [<ffffffffa03375b3>] cx88_risc_databuffer+0x153/0x170 [cx88xx] Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450797] RSP <ffff88022beb3d18> Dec 24 14:12:48 updatelee-Standard-PC-i440FX-PIIX-1996 kernel: [ 2516.450800] ---[ end trace 2c57dfb5f014bb45 ]--- It doesnt happen right away, but after repeated switching between pes and sct filters without closing the dvr and demux I get this. Closing the dvr and demux each time resolves the issue, but I shouldnt have to. I dont have to with other devices. Chris Lee On Wed, Dec 17, 2014 at 7:13 PM, Chris Lee <updatelee@xxxxxxxxx> wrote: > The Prof 7301 still seems to be having issues sometimes. Its not every > time, but it does happen fairly regularly. > > Dec 17 18:28:16 DVB kernel: [160369.173179] ------------[ cut here ]------------ > Dec 17 18:28:16 DVB kernel: [160369.173181] Kernel BUG at > ffffffffa04204fb [verbose debug info unavailable] > Dec 17 18:28:16 DVB kernel: [160369.173181] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 16 > Dec 17 18:28:16 DVB kernel: [160369.173183] invalid opcode: 0000 [#73] SMP > Dec 17 18:28:16 DVB kernel: [160369.173184] Modules linked in: > ddbridge cxd2099(C) stv6110x saa716x_budget tas2101 cxd2820r > Dec 17 18:28:16 DVB kernel: [160369.173187] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 17 > Dec 17 18:28:16 DVB kernel: [160369.173188] mb86a16 saa716x_core > cx24117 dvb_usb_tbsqbox2ci dvb_usb_gp8psk cx23885 altera_ci tda18271 > Dec 17 18:28:16 DVB kernel: [160369.173191] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 18 > Dec 17 18:28:16 DVB kernel: [160369.173192] altera_stapl > dvb_usb_dw2102 dvb_usb stb6100 stv090x cx88_dvb cx88_vp3054_i2c cx8802 > Dec 17 18:28:16 DVB kernel: [160369.173195] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 19 > Dec 17 18:28:16 DVB kernel: [160369.173196] cx88xx videobuf2_dvb > videobuf2_core videobuf2_dma_sg videobuf2_memops > Dec 17 18:28:16 DVB kernel: [160369.173198] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 20 > Dec 17 18:28:16 DVB kernel: [160369.173198] cx231xx_dvb cx231xx > videobuf_vmalloc cx2341x videobuf_core i2c_mux lgdt3305 > dvb_usb_mxl111sf > Dec 17 18:28:16 DVB kernel: [160369.173202] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 21 > Dec 17 18:28:16 DVB kernel: [160369.173203] dvb_usb_v2 rc_core > tuner_xc2028 s5h1409 em28xx_dvb em28xx v4l2_common videodev xc5000 > au8522_dig au8522_common au0828 tveeprom > Dec 17 18:28:16 DVB kernel: [160369.173207] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 22 > Dec 17 18:28:16 DVB kernel: [160369.173208] dvb_core pci_stub vboxpci(O) > Dec 17 18:28:16 DVB kernel: [160369.173210] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 23 > Dec 17 18:28:16 DVB kernel: [160369.173210] vboxnetadp(O) vboxnetflt(O) > Dec 17 18:28:16 DVB kernel: [160369.173212] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 24 > Dec 17 18:28:16 DVB kernel: [160369.173213] vboxdrv(O) > Dec 17 18:28:16 DVB kernel: [160369.173213] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 25 > Dec 17 18:28:16 DVB kernel: [160369.173214] nf_conntrack_ipv4 > Dec 17 18:28:16 DVB kernel: [160369.173215] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 26 > Dec 17 18:28:16 DVB kernel: [160369.173216] nf_defrag_ipv4 > xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp > iptable_filter ip_tables x_tables bridge stp llc mxl111sf_tuner > Dec 17 18:28:16 DVB kernel: [160369.173221] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 27 > Dec 17 18:28:16 DVB kernel: [160369.173222] lg2160 mxl111sf_demod > snd_usb_audio snd_usbmidi_lib > Dec 17 18:28:16 DVB kernel: [160369.173224] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 28 > Dec 17 18:28:16 DVB kernel: [160369.173224] mxm_wmi i915 > Dec 17 18:28:16 DVB kernel: [160369.173225] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 29 > Dec 17 18:28:16 DVB kernel: [160369.173226] snd_hda_codec_hdmi > x86_pkg_temp_thermal > Dec 17 18:28:16 DVB kernel: [160369.173228] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 30 > Dec 17 18:28:16 DVB kernel: [160369.173228] kvm_intel lnbp21 snd_hda_codec_via > Dec 17 18:28:16 DVB kernel: [160369.173230] vb2: __vb2_buf_mem_free: > freed plane 0 of buffer 31 > Dec 17 18:28:16 DVB kernel: [160369.173230] snd_hda_codec_generic kvm > rfcomm bnep snd_hda_intel bluetooth snd_hda_controller snd_hda_codec > snd_hwdep snd_pcm ghash_clmulni_intel nfsd aesni_intel snd_seq_midi > aes_x86_64 snd_seq_midi_event lrw snd_rawmidi gf128mul glue_helper > snd_seq drm_kms_helper ablk_helper cryptd snd_seq_device drm microcode > snd_timer snd serio_raw auth_rpcgss lpc_ich soundcore tpm_infineon wmi > tpm_tis video oid_registry nfs_acl mac_hid nfs shpchp i2c_algo_bit > lockd grace sunrpc parport_pc ppdev fscache binfmt_misc it87 hwmon_vid > coretemp lp parport nls_iso8859_1 hid_generic usbhid hid psmouse ahci > alx libahci mdio [last unloaded: tuner_xc2028] > Dec 17 18:28:16 DVB kernel: [160369.173263] CPU: 2 PID: 5133 Comm: > vb2-cx88[0] Tainted: G D C O 3.18.0-rc4+ #1 > Dec 17 18:28:16 DVB kernel: [160369.173264] Hardware name: Gigabyte > Technology Co., Ltd. To be filled by O.E.M./Z77X-UD3H, BIOS F20e > 01/06/2014 > Dec 17 18:28:16 DVB kernel: [160369.173265] task: ffff880403e21900 ti: > ffff880404c9c000 task.ti: ffff880404c9c000 > Dec 17 18:28:16 DVB kernel: [160369.173266] RIP: > 0010:[<ffffffffa04204fb>] [<ffffffffa04204fb>] > cx88_risc_databuffer+0x10b/0x160 [cx88xx] > Dec 17 18:28:16 DVB kernel: [160369.173272] RSP: 0018:ffff880404c9fd28 > EFLAGS: 00010206 > Dec 17 18:28:16 DVB kernel: [160369.173274] RAX: 0000000000000000 RBX: > ffff880402461360 RCX: 0000000000000118 > Dec 17 18:28:16 DVB kernel: [160369.173275] RDX: 0000000000000000 RSI: > ffff8803f2324740 RDI: ffff8803f2324760 > Dec 17 18:28:16 DVB kernel: [160369.173276] RBP: ffff880404c9fd78 R08: > 00000000000002f0 R09: 0000000000000000 > Dec 17 18:28:16 DVB kernel: [160369.173277] R10: ffffffff81a73715 R11: > ffffea0000dcb540 R12: 0000000000000020 > Dec 17 18:28:16 DVB kernel: [160369.173278] R13: 00000000000002f0 R14: > ffff8803f2324740 R15: 0000000000000000 > Dec 17 18:28:16 DVB kernel: [160369.173279] FS: > 0000000000000000(0000) GS:ffff88041f280000(0000) > knlGS:0000000000000000 > Dec 17 18:28:16 DVB kernel: [160369.173280] CS: 0010 DS: 0000 ES: > 0000 CR0: 0000000080050033 > Dec 17 18:28:16 DVB kernel: [160369.173281] CR2: 00007fffb80c6000 CR3: > 00000004066d7000 CR4: 00000000001407e0 > Dec 17 18:28:16 DVB kernel: [160369.173282] Stack: > Dec 17 18:28:16 DVB kernel: [160369.173283] ffff880400000020 > ffffffff00000000 ffff880400000001 01ffffff8109706e > Dec 17 18:28:16 DVB kernel: [160369.173285] 0000000000000002 > ffff880402461000 ffff8803f2882000 0000000000005e00 > Dec 17 18:28:16 DVB kernel: [160369.173286] ffff880402461360 > ffff8803f2884828 ffff880404c9fdd8 ffffffffa043b2c0 > Dec 17 18:28:16 DVB kernel: [160369.173288] Call Trace: > Dec 17 18:28:16 DVB kernel: [160369.173292] [<ffffffffa043b2c0>] > cx8802_buf_prepare+0x80/0x170 [cx8802] > Dec 17 18:28:16 DVB kernel: [160369.173296] [<ffffffffa044106c>] > buffer_prepare+0x1c/0x20 [cx88_dvb] > Dec 17 18:28:16 DVB kernel: [160369.173299] [<ffffffffa03ed915>] > __buf_prepare+0x2b5/0x320 [videobuf2_core] > Dec 17 18:28:16 DVB kernel: [160369.173303] [<ffffffffa03ee02b>] > vb2_internal_qbuf+0x1fb/0x250 [videobuf2_core] > Dec 17 18:28:16 DVB kernel: [160369.173306] [<ffffffffa03ee171>] > vb2_thread+0xf1/0x270 [videobuf2_core] > Dec 17 18:28:16 DVB kernel: [160369.173309] [<ffffffffa03ee080>] ? > vb2_internal_qbuf+0x250/0x250 [videobuf2_core] > Dec 17 18:28:16 DVB kernel: [160369.173313] [<ffffffff8106f4db>] > kthread+0xdb/0x100 > Dec 17 18:28:16 DVB kernel: [160369.173315] [<ffffffff8106f400>] ? > kthread_create_on_node+0x180/0x180 > Dec 17 18:28:16 DVB kernel: [160369.173319] [<ffffffff8173c62c>] > ret_from_fork+0x7c/0xb0 > Dec 17 18:28:16 DVB kernel: [160369.173321] [<ffffffff8106f400>] ? > kthread_create_on_node+0x180/0x180 > Dec 17 18:28:16 DVB kernel: [160369.173322] Code: 44 24 10 45 89 e8 4c > 89 f6 e8 92 ec ff ff 8b 13 48 89 43 10 48 2b 43 08 48 c1 f8 02 48 8d > 0c 85 08 00 00 00 31 c0 48 39 d1 76 12 <0f> 0b 0f 1f 00 48 c7 46 08 00 > 00 00 00 b8 f4 ff ff ff 48 83 c4 > Dec 17 18:28:16 DVB kernel: [160369.173340] RIP [<ffffffffa04204fb>] > cx88_risc_databuffer+0x10b/0x160 [cx88xx] > Dec 17 18:28:16 DVB kernel: [160369.173344] RSP <ffff880404c9fd28> > Dec 17 18:28:16 DVB kernel: [160369.173346] ---[ end trace 3a3edb07e8581eaf ]--- > > Chris Lee -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html