Posted 3 February 2015 - 08:40
Hi!
Since the big changes in the OpenPLi Software for VU+ Ultimo, about 2 months ago, I can't anymore correctly record 2 HD Channels (lots of freeze) at the same time. No problem for 2 SD Channels.
Does anyone know when this problem will be fixed? Thanks a lot to the whole OpenPli Team!
Posted 3 February 2015 - 09:04
Posted 3 February 2015 - 15:34
I guess its something involving a route over internet 
Edited by Erik Slagter, 3 February 2015 - 15:34.
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
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Posted 7 February 2015 - 10:46
To MiLo and Erik
Thank you for your answers. There was initially an information that external disks could not work correctly.
Anyway, double HD recordings do not work anymore (I perform daily updates). Do you have an idea what I could check (cable, formatting type...)
Best regards
John
Posted 7 February 2015 - 11:05
Posted 9 February 2015 - 19:52
Hi John,
I also have problems with recording multiple programs since the beginning of December. I wrote about that at the Dutch forum yesterday (http://forums.openpl...leem-vu-ultimo/).
In my case it is a problem to reproduce the problem. If a programme is recorded and before that programme ends two other programs start recording, I often have the problem that the recorded channels have bad video: the video is shown 2 seconds, stops a second, is shown 2 seconds, stops a second, etc. If I watch the programme life that is currently recorded I see the same behaviour. If this happens and I try to zap TV programmes, the VU+ Ultimo freezes completely: I cannot do anything.
Do you have the same behaviour?
If I restart the Ultimo, the recording of the two channels continues without problems.
Last week I installed the firmware of December the 6th and did not have the problem since, but my kids recorded less channels simultaneously last week.
BTW: I have a VU+ Ultimo with two sat tuners and two Canal Digitaal cards inserted (one is for vacation).
Jan
Posted 22 February 2015 - 13:07
Helllo JvdK, mimisiku and MiLo !
I got a VU+ Ultimo with 2 DVB-S tuners and 1 DVB-T/C tuner - Openpli 4, Kernel 3.9.6, Python version 2.7.3
The poor quality happens when I record 2 free (non-encrypted) HD channels on the cable (on the same frequency).
This used to work perfectly in the past.
Should I convert ext3 filesystem to ext4?
Could it be a problem with the harddisk (connected via the USB ports)?
For the record, I can record 2 SD programs without any problem.
Anyway, best regards.
Posted 22 February 2015 - 13:25
You can test the I/O speed of your disk easily from the command line.
Login and use the mount command to check which device is the USB disk. It outputs something like
/dev/sdb1 on /media/usb type ext4 (rw,relatime,data=ordered)
You can then test the read speed with:
root@et10000:~# hdparm -tT /dev/sdb
Which in my case responds with:
/dev/sdb: Timing buffer-cache reads: 488 MB in 0.51 seconds = 978877 kB/s Timing buffered disk reads: 50 MB in 3.00 seconds = 17042 kB/s
You can test writing, using the mountpoint from the mount about above, with
root@et10000:~# dd if=/dev/zero of=/media/usb/output bs=8k count=10k; rm -f /media/usb/output
Which in my case responds with:
10240+0 records in 10240+0 records out 83886080 bytes (80.0MB) copied, 1.165879 seconds, 68.6MB/s
So 69MB/s write, 17MB/s read, meaning this USB device is quite slow. I would really not use this for recording and playback, it's to slow, any hickup in the data transfer would cause a buffer overflow, causing data loss and therefore hickups in your recording, or freezes in your playback.
Currently in use: VU+ Duo 4K (2xFBC S2), VU+ Solo 4K (1xFBC S2), uClan Usytm 4K Ultimate (S2+T2), Octagon SF8008 (S2+T2), Zgemma H9.2H (S2+T2)
Due to my bad health, I will not be very active at times and may be slow to respond. I will not read the forum or PM on a regular basis.
Many answers to your question can be found in our new and improved wiki.
Posted 22 February 2015 - 17:25
Posted 22 February 2015 - 18:32
Add a sync command
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
Ik lees geen PM -> als je iets te vragen of te melden hebt, doe het op het forum, zodat anderen er ook wat aan hebben.
Posted 22 February 2015 - 19:41
Well, that makes the results even worse. And afaik hdparm gives both a buffered and an unbuffered result?
Currently in use: VU+ Duo 4K (2xFBC S2), VU+ Solo 4K (1xFBC S2), uClan Usytm 4K Ultimate (S2+T2), Octagon SF8008 (S2+T2), Zgemma H9.2H (S2+T2)
Due to my bad health, I will not be very active at times and may be slow to respond. I will not read the forum or PM on a regular basis.
Many answers to your question can be found in our new and improved wiki.
Posted 23 February 2015 - 10:30
Yeah iirc, it does a sync and/or fsync and/or fdatasync at the end, exactly for that purpose.
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
Ik lees geen PM -> als je iets te vragen of te melden hebt, doe het op het forum, zodat anderen er ook wat aan hebben.
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