I had this issue some weeks ago on an almost daily basis, then it seemed to have disappeared but as it occured again today I think I have to post it. Usually the box froze just by trying to zap to another channel. Today it happened while I was in the channel list trying to move the cursor to a different channel. Openpli version is from March 1st.
Here's the dmesg output:
[1432971.951435] FE tune [DMX]: paserband_remove_pid pid 0x60 not found [1433934.964927] [DMX]: paserband_remove_pid pid 0x60 not found [1433934.972872] [1434859.044860] Unable to handle kernel NULL pointer dereference at virtual address 0000002c [1434859.053257] pgd = c3c49f00 [1434859.056153] [0000002c] *pgd=07719003, *pmd=041d4003, *pte=00000000 [1434859.063006] Internal error: Oops: 207 [#1] SMP ARM [1434859.067979] Modules linked in: ipv6 brcmfb(O) dvb_bcm7376(PO) dvb_base(PO) bcm_event(PO) procmk(O) rt2800usb rt2800lib rt2x00usb rt2x00lib led_class mac80211 [1434859.082431] CPU: 0 PID: 15903 Comm: enigma2 Tainted: P O 3.14.28-1.8 #1 [1434859.090098] task: ccc30dc0 ti: cbea6000 task.ti: cbea6000 [1434859.095939] PC is at NEXUS_BaseObject_P_RegisterUnregister+0x1d8/0x344 [dvb_base] [1434859.103803] LR is at NEXUS_BaseObject_P_RegisterUnregister+0x1d8/0x344 [dvb_base] [1434859.111469] pc : [<bf09a028>] lr : [<bf09a028>] psr: 600b0013 [1434859.111469] sp : cbea7e48 ip : 00000000 fp : 00000000 [1434859.123306] r10: bf829f54 r9 : 00000000 r8 : 00000000 [1434859.128709] r7 : bf4e96e8 r6 : cc0c0a00 r5 : 00000000 r4 : cc0c0a00 [1434859.135417] r3 : 0000c4f6 r2 : cccf9844 r1 : 600b0013 r0 : cccf9844 [1434859.142127] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [1434859.149444] Control: 30c5387d Table: 03c49f00 DAC: fffffffd [1434859.155370] Process enigma2 (pid: 15903, stack limit = 0xcbea6238) [1434859.161731] Stack: (0xcbea7e48 to 0xcbea8000) [1434859.166267] 7e40: bf4e7848 00000000 de6cb13c cae53800 bf82b320 bf823bd4 [1434859.174628] 7e60: bf829f54 bf0e8f90 cc0c0a00 bf37c308 bf4e7848 bf0fdd90 00000003 00000000 [1434859.182988] 7e80: bf82b320 bf7ae828 200b0113 ffffffff cbea7ecc c0012e00 c07b1380 600b0113 [1434859.191348] 7ea0: cd946980 c009360c cd7c67f8 c07e77c0 cd7c6804 00100100 00200200 c07e7800 [1434859.199708] 7ec0: cd918b80 00000001 00000000 cd918b60 00000001 c00929bc cd918b60 bf823dc4 [1434859.208069] 7ee0: de6ca13c bf823300 bf823dac de6cb13c 00000008 ce2f4f08 b6a1a1a8 c0413eb0 [1434859.216429] 7f00: de3c82b0 de3c82b0 bf823300 cc818d38 de3c832c c0411d08 de6ca13c de3c82b0 [1434859.224789] 7f20: de3c82b0 c0411eb8 de3c82b0 bf8232b8 bf823300 cc818d38 de3c832c c0412398 [1434859.233149] 7f40: ce2f4f00 00000000 ccfda3c0 cc818d38 cce03d90 c00cb34c 00000000 00000000 [1434859.241510] 7f60: ccc31164 00000000 c07f69b0 ccc30dc0 c000f1e4 cbea6000 00000000 c003b85c [1434859.249871] 7f80: ce2f4f00 cbea6018 c000f1e4 cbea7fb0 cbea6000 c0011ee0 b638a850 03877a40 [1434859.258231] 7fa0: 00000000 00000002 00000006 c000f0a0 00000000 b638a414 00000002 b638a850 [1434859.266591] 7fc0: 03877a40 00000000 00000002 00000006 032f0bc8 03697944 03697948 b6a1a1a8 [1434859.274951] 7fe0: 00000000 bed99db0 00000000 b6577434 800b0010 00000052 00000000 00000000 [1434859.283627] [<bf09a028>] (NEXUS_BaseObject_P_RegisterUnregister [dvb_base]) from [<bf0e8f90>] (NEXUS_PidChannel_BaseObject_P_RegisterUnregister+0x28/0x34 [dvb_base]) [1434859.298895] [<bf0e8f90>] (NEXUS_PidChannel_BaseObject_P_RegisterUnregister[dvb_base]) from [<bf0fdd90>] (NEXUS_PidChannel_Close+0x38/0x54 [dvb_base]) [1434859.312735] [<bf0fdd90>] (NEXUS_PidChannel_Close [dvb_base]) from [<bf7ae828>] (bcm7335_demux_stop_feed_trans+0x410/0xf68 [dvb_bcm7376]) [1434859.325200] [<bf7ae828>] (bcm7335_demux_stop_feed_trans [dvb_bcm7376]) from [<c0413eb0>] (dmx_section_feed_stop_filtering+0x34/0x8c) [1434859.337303] [<c0413eb0>] (dmx_section_feed_stop_filtering) from [<c0411d08>] (dvb_dmxdev_feed_stop+0xa8/0xb0) [1434859.347404] [<c0411d08>] (dvb_dmxdev_feed_stop) from [<c0411eb8>] (dvb_dmxdev_filter_stop+0x90/0xd0) [1434859.356722] [<c0411eb8>] (dvb_dmxdev_filter_stop) from [<c0412398>] (dvb_demux_release+0x2c/0x18c) [1434859.365872] [<c0412398>] (dvb_demux_release) from [<c00cb34c>] (__fput+0x80/0x200) [1434859.373632] [<c00cb34c>] (__fput) from [<c003b85c>] (task_work_run+0xa8/0xe0) [1434859.380958] [<c003b85c>] (task_work_run) from [<c0011ee0>] (do_work_pending+0x98/0xa4) [1434859.389061] [<c0011ee0>] (do_work_pending) from [<c000f0a0>] (work_pending+0xc/0x20) [1434859.396988] Code: e1a00001 e1a02005 e1a01009 e12fff3c (e598302c) [1434859.403455] ---[ end trace 8e54be8612c401d6 ]--- root@vusolo4k:~#