Monday, February 20th, 2017, 00:28 UTC | ||
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[08:12:23] | peper03: | peterbennett: I've tried again with a completely fresh start and only changed the hostname this time, but it's not made much difference. |
[08:12:43] | peper03: | The card is a new 16GB card so there's plenty of space. |
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[08:14:40] | peper03: | The database errors always seem to be more or less the same – "Error in JobQueue::GetJobs(), Unable to query list of Jobs in Queue.", "StorageGroup::StorageGroup()", or "ChannelGroup::GetChannelGroups" |
[08:15:41] | peper03: | I have another frontend running on a normal PC under Ubuntu and that connects fine. I did just try starting the frontend from the command line there and saw some database errors too but wouldn't have noticed them otherwise. |
[08:18:38] | peper03: | I ran optimize_mythdb.pl on the backend but it doesn't seem to have helped. The PC frontend doesn't seem to spit out any more errors (they were "lost connection" errors) but the Pi is still throwing "Malformed packet" errors. |
[08:19:32] | peper03: | I'll see if I can increase verbosity on the MySQL server later. |
[08:46:46] | stuarta: | peper03: mysql reporting communications errors raises big warning signs for me that your network is flaky |
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[10:25:15] | peper03: | stuarta: I wouldn't claim it's definitely not flaky, but I can't say I've ever noticed any issues – particularly not with wired devices. |
[10:25:31] | peper03: | Any general tests I could try? |
[10:27:28] | stuarta: | try iperf between various frontends and the backend |
[10:34:49] | peper03: | Any particular parameters? Just running it normally hasn't shown any issues |
[10:34:56] | peper03: | [ ID] Interval Transfer Bandwidth |
[10:34:58] | peper03: | [ 3] 0.0–10.0 sec 1.10 GBytes 941 Mbits/sec |
[10:35:38] | peper03: | That's between my development PC (where I also have a second frontend) and the backend |
[10:36:59] | peper03: | The Pi frontend isn't online at the moment but I have another Pi on the network (connected wirelessly) that also reports no issues. |
[10:46:48] | stuarta: | interesting, do you have a copy of the actual messages? |
[10:47:23] | peper03: | From iperf? |
[10:47:48] | stuarta: | no, the mysql ones |
[10:50:34] | peper03: | http://pastebin.com/4F3DYxpa |
[10:50:51] | peper03: | That was from two tests on the Pi. |
[10:53:32] | stuarta: | weird. almost need to tcpdump the mysql traffic to see what it's asking |
[10:54:36] | peper03: | I can try that later. |
[10:56:36] | peper03: | The odd thing is that doesn't seem to be a fundamental DB problem. It *is* connecting but just seems to have problems either with specific queries, or is having some relatively repeatable timing issues. |
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[13:34:26] | stuarta: | biab, reboot time |
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[14:02:57] | stuarta: | #12856 |
[14:02:57] | ** MythLogBot http://code.mythtv.org/trac/ticket/12856 ** | |
[14:03:04] | stuarta: | #12773 |
[14:03:04] | ** MythLogBot http://code.mythtv.org/trac/ticket/12773 ** | |
[14:11:57] | stuarta: | well #13001 is a no brainer |
[14:11:57] | ** MythLogBot http://code.mythtv.org/trac/ticket/13001 ** | |
[14:12:23] | pvr4me: | Hi: That’s me just filed that. |
[14:12:31] | stuarta: | :) |
[14:12:49] | stuarta: | it doesn't even require testing! |
[14:13:00] | pvr4me: | In fact, I’m just adding a couple bits to it |
[14:13:33] | stuarta: | won't commit it right away then |
[14:14:10] | pvr4me: | I’ll just be a couple minutes. |
[14:27:29] | pvr4me: | …and done |
[14:56:57] | stuarta: | think we need to do the same for chrome.... |
[15:00:35] | pvr4me: | Desktop Chrome? I thought Chrome for iOS and Android did HLS but not the desktop version |
[15:00:52] | pvr4me: | BTW, Microsoft Edge may now support HLS: |
[15:00:54] | pvr4me: | https://developer.microsoft.com/en-us/microso . . . treaminghls/ |
[15:02:27] | stuarta: | i wonder if there's a simple js library we can leverage to do the html5 video detection for us |
[15:03:06] | ** stuarta peers intently at videojs.com ** | |
[15:07:41] | stuarta: | that could definitely work |
[15:46:04] | stuarta: | pvr4me: yes desktop chrome, supports playing video natively |
[15:47:28] | stuarta: | this was a good test http://camendesign.co.uk/code/video_for_everybody/test.html |
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[16:00:04] | peterbennett: | peper03: It seems to me that those database errors are what is causing your raspberry pi problem. |
[16:03:18] | peterbennett: | peper03: Malformed packet – I have a raspberry pi that I watch every day – just searched 1 years worth of logs of the frontend – no Malformed message. So definitely not normal to see that. |
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[19:00:24] | gary_buhrmaster: | IRT 13001, as I recall, "our" version of jwplayer is a few versions old. Has anyone tried with something recent to see if it properly handles the (newer) platform variants? |
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[19:07:23] | peper03: | peterbennett: Hi Peter, I'm still no wiser :( I always get a failed database query at startup when trying to read the channel groups, so a good 'anchor' to use. |
[19:07:38] | peper03: | I checked the database logs and no error reported from the database at that time. |
[19:08:03] | peper03: | Wireshark also seems to indicate the query and response were ok (and I see the correct data returned). |
[19:08:20] | peterbennett: | Could there be an incompatible version of MySQL? |
[19:08:37] | peper03: | I took a wireshark trace from my PC and the contents of the response field are identical. |
[19:08:43] | peper03: | That's what I'm wondering. |
[19:10:47] | peper03: | The backend is running MySQL 5.7.13 |
[19:11:40] | peper03: | The client on the PC is 5.7.17. I don't know what's being used on the Pi as it doesn't report it (the PC client adds its version to the connection data so is visible in Wireshark). |
[19:12:24] | peterbennett: | My server version Server version: 5.7.17–0ubuntu0.16.04.1 |
[19:13:46] | peterbennett: | You can try connecting to the database from the pi using mysql |
[19:14:42] | peterbennett: | I have mysql-client 5.5 in the pi |
[19:15:15] | peper03: | Installing now. One moment. |
[19:15:56] | peterbennett: | Also check your version on the pi of libqt5sql5-mysql |
[19:16:30] | peterbennett: | dpkg --list | grep libqt |
[19:16:46] | peper03: | Ok, mysql client executes the command without problem. |
[19:17:06] | peterbennett: | i have libqt5sql5-mysql:armhf 5.3.2+dfsg-4+rpi1 armhf Qt 5 MySQL database driver |
[19:17:33] | peper03: | Yep, I have the same. |
[19:20:40] | stuarta: | gary_buhrmaster: i noted videojs.com earlier, warrants looking into |
[19:21:22] | peterbennett: | looking on google for malformed packet error – in some cases can happen if the result set is too big? |
[19:22:33] | peper03: | peterbennett: This is returning two entries. Total length including all headers is 277 bytes! |
[19:23:15] | peterbennett: | Is that the same select that caused the error? |
[19:23:22] | peper03: | Yes |
[19:23:50] | peper03: | And the contents of the packet (ignoring network headers) is identical to what was received on the PC |
[19:23:55] | peper03: | It doesn't make any sense... |
[19:25:33] | peterbennett: | Are you sure it is the same database? maybe you have another database somewhere? |
[19:26:17] | gary_buhrmaster: | stuarta: Ah, yes, you did (I was not paying attention; serves me right being corrected). In any case, I have no real standing, having never used the HLS player |
[19:26:40] | peterbennett: | peper03: Using anything unusual like IPV6 link-local addresses? |
[19:27:29] | peterbennett: | peper03: Check the config.xml (clutching at straws here) |
[19:31:59] | peper03: | peterbennett: Definitely the same database. config.xml is identical (apart from the MediaRenderer UUID). |
[19:32:33] | peper03: | No IPv6 that I'm aware of. All network traces were IPv4. |
[19:33:48] | peterbennett: | It is RPI3, correct? 1 GB memory? I wonder if it is running low on memory. |
[19:34:23] | peterbennett: | Did you set GPU memory to 256MB? |
[19:36:10] | peper03: | Yes, it's RPI3. GPU memory is set to 256MB. |
[19:36:40] | peterbennett: | If you run top can you see how much memory is available, used, etc. |
[19:37:27] | peper03: | KiB Mem: 752852 total, 719972 used, 32880 free, 29136 buffers |
[19:37:31] | peterbennett: | Without the frontend running i have this |
[19:37:33] | peterbennett: | KiB Mem: 752856 total, 326520 used, 426336 free, 28680 buffers |
[19:37:33] | peterbennett: | KiB Swap: 102396 total, 0 used, 102396 free. 245252 cached Mem |
[19:37:34] | peper03: | That's with the frontend running |
[19:37:58] | peterbennett: | Any swap used? If so that may be a problem |
[19:38:43] | peper03: | No. |
[19:38:45] | peper03: | KiB Mem: 752852 total, 719240 used, 33612 free, 29180 buffers |
[19:38:47] | peper03: | KiB Swap: 102396 total, 0 used, 102396 free. 370592 cached Mem |
[19:39:21] | peterbennett: | I am starting my frontend to see what I have |
[19:40:42] | peterbennett: | with FE running |
[19:40:44] | peterbennett: | KiB Mem: 752856 total, 366144 used, 386712 free, 28768 buffers |
[19:40:44] | peterbennett: | KiB Swap: 102396 total, 0 used, 102396 free. 246356 cached Mem |
[19:41:11] | peterbennett: | Strange you have so much memory used with frontend running |
[19:41:22] | peper03: | Yes... |
[19:41:27] | peterbennett: | Do you have plugins installed? |
[19:41:30] | peper03: | No. |
[19:41:34] | peterbennett: | I do not use plugins |
[19:41:53] | peterbennett: | So what do you see with top if you exit the FE? |
[19:42:01] | peper03: | I've got VNC running but I don't think that's going to use a couple of hundred MB. |
[19:42:21] | peterbennett: | Hmmm |
[19:42:34] | peterbennett: | I have never tried VNC on raspberry pi |
[19:42:46] | peterbennett: | i suggest kill it |
[19:43:00] | peterbennett: | I use ssh only |
[19:43:26] | peterbennett: | you can do remote X11 via ssh with raspberry pi. |
[19:44:38] | peper03: | Still high. Hang on, let me reboot it. |
[19:45:18] | peterbennett: | top shows mythfrontend this way |
[19:45:19] | peterbennett: | 6004 catch22 20 0 472104 103468 67328 S 2.3 13.7 0:17.33 mythfrontend |
[19:45:55] | peterbennett: | using 103468 k resident memory |
[19:46:00] | peper03: | Ok, freshly booted: |
[19:46:02] | peper03: | KiB Mem: 752852 total, 245780 used, 507072 free, 16376 buffers |
[19:46:04] | peper03: | KiB Swap: 102396 total, 0 used, 102396 free. 131636 cached Mem |
[19:46:15] | peterbennett: | looks better |
[19:46:46] | peper03: | It does, although I was having problems before I activated vnc, so it's unlikely to be the root cause. |
[19:47:17] | peterbennett: | Sorry I have to leave now... |
[19:50:30] | peper03: | Sorry, had to solve a quick domestic. Started mythfrontend and forgot to tell it not to use libCEC. Angry wife wanting to know why the TV switched away from what she was watching! |
[19:50:45] | peper03: | OK, I'll try to keep at it... |
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[20:36:59] | peterbennett: | peper03: I am back. Any luck? |
[20:43:21] | stuarta: | gary_buhrmaster: i don't use the streaming functionality either, but that's because i object to installing something todo it |
[20:43:46] | stuarta: | videojs looks like a possibility to do it all in the browser without any downloads / extensions |
[20:44:35] | peper03: | peterbennett: No. Not one little bit further :( |
[20:47:39] | peterbennett: | peper03: Maybe faulty hardware? |
[20:48:02] | peterbennett: | peper03: How is the memory use now? |
[20:48:21] | peper03: | KiB Mem: 752852 total, 400328 used, 352524 free, 5584 buffers |
[20:48:23] | peper03: | KiB Swap: 102396 total, 13828 used, 88568 free. 156896 cached Mem |
[20:48:34] | peper03: | I guess VNC must have been using a chunk. |
[20:48:56] | peterbennett: | Is that with the frontend running? |
[20:48:58] | peper03: | Yes |
[20:49:22] | peper03: | Although it's currently hung because I dared to try to go into the theme chooser menu again :( |
[20:51:39] | peterbennett: | You could try comment out the GPU memory in the config. Playback may not work but at least you could see if the rest works better – if it is memory related or not |
[20:52:51] | peterbennett: | GPU memory defaults to 64M or so – everything except playback works that way – playback may even work but do not try OSD. |
[20:53:51] | stuarta: | i need to rework the way that theme chooser works |
[20:53:58] | stuarta: | behind the scenes |
[20:54:05] | stuarta: | tbh, it's far too heavy right now |
[20:55:00] | peper03: | Well, it doesn't seem to be the hardware. Just tried another Pi with the same results. |
[20:55:06] | peper03: | Trying to reduce GPU memory now... |
[20:59:10] | peper03: | Nope, that didn't help either. |
[20:59:19] | peper03: | Talk about banging your head against a brick wall... |
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[21:00:34] | peterbennett: | Are you running startx and then using the MythFrontend item on the menu? |
[21:01:20] | peper03: | At the moment I'm running it via ssh but I did start it via the menu too. Results were the same. |
[21:02:03] | peterbennett: | It will be a little slow via ssh, but still getting the malformed packet? |
[21:02:15] | peper03: | Yes and the hanging menus |
[21:02:39] | peper03: | I don't see any difference in behaviour. |
[21:02:55] | peper03: | It seems like the menus aren't rendering quite right either. |
[21:03:28] | peterbennett: | Any unusual packages installed? |
[21:03:37] | peper03: | I'm stuck in the Terra theme. Sometimes some of the 'button' bitmaps are shown, sometimes they're black. |
[21:04:10] | peper03: | Nothing I'm aware of. I started off with a bare install of the current latest jessie image plus the mythtv-light package. |
[21:04:20] | peper03: | Same behaviour all the time. |
[21:04:24] | jpabq: | peper03: I did not see the beginning of this conversation, but I highly recommend x2go for linux remote desktop. It does not support compiz or gnome3, though. I use MATE, but any gnome2 based works. |
[21:06:30] | peper03: | jpabq: Thanks, I can look into that. At the moment I'm just using ssh because the TV is in use. |
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[21:06:54] | peper03: | and it was just a case of getting something that works (even if it is dog-slow). |
[21:07:33] | peper03: | But 'works' hasn't been a word I've used much in the last few hours :( |
[21:07:46] | jpabq: | I have had days like that. |
[21:07:59] | stuarta: | don't we all :-/ |
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[21:09:30] | peterbennett: | peper03: There must be something different in your setup from everywhere else. It will probably turn out to be something very simple. |
[21:10:02] | peper03: | peterbennett: That's what I think too. If only we could find it! |
[21:10:18] | stuarta: | peper03: i assume you've tried a fresh install? |
[21:10:27] | peper03: | Yep, twice... |
[21:10:28] | peterbennett: | I have to step away for a while. |
[21:11:17] | peper03: | Used two different microSD cards (although same brand, admittedly), two different Pis... |
[21:12:20] | peper03: | Checked the network (iperf says OK), took network traces (packages are identical apart from TCP/IP headers) |
[21:14:09] | peper03: | packets, not packages... |
[21:22:03] | gregl (gregl!~greg@cpe-66-67-122-101.nycap.res.rr.com) has joined #mythtv | |
[21:35:29] | peterbennett (peterbennett!~Peter@mythtv/developer/peterbennett) has quit (Quit: Leaving.) | |
[21:36:57] | peterbennett (peterbennett!~Peter@mythtv/developer/peterbennett) has joined #mythtv | |
[21:52:44] | peterbennett (peterbennett!~Peter@mythtv/developer/peterbennett) has left #mythtv () | |
[22:26:00] | SteveGoodey (SteveGoodey!~steve@host86-149-197-153.range86-149.btcentralplus.com) has quit (Quit: Konversation terminated!) | |
[22:27:44] | amessina (amessina!~amessina@unaffiliated/amessina) has quit (Quit: Konversation terminated!) | |
[22:34:41] | amessina (amessina!~amessina@unaffiliated/amessina) has joined #mythtv | |
[23:18:40] | Tobbe5178 (Tobbe5178!~asdf@2001:2002:51eb:d0e9:9dad:4e07:5675:7bf2) has quit (Read error: Connection reset by peer) |
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