2015-03-22, 14:28
HI,
I am back once again as I didn't find out any answer to fix my issue I have for months, I wrote 2 other threads here and here at this time for this issue.
But now there are news:
- First in my test
- Second I have some money to spend to change my RPi-512 and need to better know the issue to choose a new hardware.
The issue: Drops when playing FLAC 24/96 multichannel. Other format, 16/44.1, DTS, DD are good.
I listen with a Denon AVR-2113. In the display there is an indicator "PCM-DIG" turned on whe playing FLAC files.
Test files are from http://www.2l.no/: At the right top, drop-list select "Test Bench HD audio files"
Choose in Surround 5.1 FLAC 24BIT/96kHz
I use mainly Pyotr Ilyich Tchaikovsky: SOUVENIR de Florence op. 70: I. Allegro con spirito TrondheimSolistene (552 MB)
but others do the same more or less.
I use Confluence skin, no visualisation, no RSS.
Passthrough for all 3 formats.
Audio files are in the SD card or USB hard drive.
Overclocking:
This config is very stable as I use to set at
arm_freq=1050
core_freq=550
sdram_freq=550
over_voltage=6
without any problem with 16/44.1, DTS, DD files.
So new test:
I start to play through file mode.
Display: File mode, go down (down arrow) in the file list and hit enter to start playing.
Issue: Drops around every 2-5 minutes for half second: "PCM-DIG" turn off for the same time. Music time continue to go even during the drops.
TOP command (this screenshot depicts the average values):
After 3 minutes display dims: same issue
Now I change the display to full screen (Tab). I can see the time cursor at the bottom.
TOP command (this screenshot depicts the average values):
I can't note any issue as this screen stay only 10 seconds before dim.
Now this is the very interesting part. Screen is full, dim:
TOP command (this screenshot depicts the average values):
And now I have drops every half second (or even more often) for half second approximately: "PCM-DIG" turn off for the same time.
Note that CPU usage is around 50-55% and I have the maximum of drops...
I am ready to provide any other info.
Thanks
I am back once again as I didn't find out any answer to fix my issue I have for months, I wrote 2 other threads here and here at this time for this issue.
But now there are news:
- First in my test
- Second I have some money to spend to change my RPi-512 and need to better know the issue to choose a new hardware.
The issue: Drops when playing FLAC 24/96 multichannel. Other format, 16/44.1, DTS, DD are good.
I listen with a Denon AVR-2113. In the display there is an indicator "PCM-DIG" turned on whe playing FLAC files.
Test files are from http://www.2l.no/: At the right top, drop-list select "Test Bench HD audio files"
Choose in Surround 5.1 FLAC 24BIT/96kHz
I use mainly Pyotr Ilyich Tchaikovsky: SOUVENIR de Florence op. 70: I. Allegro con spirito TrondheimSolistene (552 MB)
but others do the same more or less.
Code:
Firmware Version
Mar 10 2015 15:33:55
Copyright (c) 2012 Broadcom
version 015c58030bfa095c209a59c0c19e02d6705a2c24 (clean) (release)
00:00:15 T:1968787456 NOTICE: Starting Kodi (14.2-RC1 Git:e7ba06f). Platform: Linux ARM 32-bit
00:00:15 T:1968787456 NOTICE: Using Release Kodi x32 build (version for Raspberry Pi)
Passthrough for all 3 formats.
Audio files are in the SD card or USB hard drive.
Overclocking:
Code:
arm_freq=1000
core_freq=500
sdram_freq=500
over_voltage=6
arm_freq=1050
core_freq=550
sdram_freq=550
over_voltage=6
without any problem with 16/44.1, DTS, DD files.
So new test:
I start to play through file mode.
Display: File mode, go down (down arrow) in the file list and hit enter to start playing.
Issue: Drops around every 2-5 minutes for half second: "PCM-DIG" turn off for the same time. Music time continue to go even during the drops.
TOP command (this screenshot depicts the average values):
Code:
Mem: 303108K used, 78300K free, 0K shrd, 25857680K buff, 25857728K cached
CPU: 87.7% usr 11.2% sys 0.3% nic 0.1% idle 0.0% io 0.0% irq 0.3% sirq
Load average: 1.41 1.19 0.73 2/98 3482
PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND
441 1 root R 427m114.5 0 95.4 /usr/lib/kodi/kodi.bin --standalone -fs --lircdev /run/lirc/lircd
43 2 root SW< 0 0.0 0 2.3 [VCHIQr-0]
42 2 root SW< 0 0.0 0 0.7 [VCHIQ-0]
510 400 root S 6824 1.7 0 0.3 sshd: root@pts/0
3482 512 root R 2624 0.6 0 0.2 top
58 2 root SW 0 0.0 0 0.2 [mmcqd/0]
2725 2 root SW 0 0.0 0 0.2 [kworker/0:2]
Now I change the display to full screen (Tab). I can see the time cursor at the bottom.
TOP command (this screenshot depicts the average values):
Code:
Mem: 351832K used, 29576K free, 0K shrd, 986784K buff, 986832K cached
CPU: 73.5% usr 9.4% sys 0.6% nic 16.0% idle 0.0% io 0.0% irq 0.4% sirq
Load average: 1.44 1.13 0.56 2/98 472
PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND
395 1 root R 373m100.0 0 80.5 /usr/lib/kodi/kodi.bin --standalone -fs --lircdev /run/lirc/lircd
43 2 root SW< 0 0.0 0 1.1 [VCHIQr-0]
42 2 root SW< 0 0.0 0 0.7 [VCHIQ-0]
470 467 root R 2624 0.6 0 0.4 top
465 354 root S 6824 1.7 0 0.2 sshd: root@pts/0
57 2 root SW 0 0.0 0 0.2 [mmcqd/0]
378 2 root SW 0 0.0 0 0.2 [RTW_CMD_THREAD]
4 2 root SW 0 0.0 0 0.2 [kworker/0:0]
19 2 root SW 0 0.0 0 0.2 [kswapd0]
Now this is the very interesting part. Screen is full, dim:
TOP command (this screenshot depicts the average values):
Code:
Mem: 356808K used, 24600K free, 0K shrd, 9952976K buff, 9953024K cached
CPU: 45.4% usr 5.2% sys 1.0% nic 48.0% idle 0.0% io 0.0% irq 0.2% sirq
Load average: 1.57 1.03 0.42 2/99 515
PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND
441 1 root S 418m112.1 0 50.3 /usr/lib/kodi/kodi.bin --standalone -fs --lircdev /run/lirc/lircd
515 512 root R 2624 0.6 0 0.4 top
42 2 root SW< 0 0.0 0 0.4 [VCHIQ-0]
510 400 root S 6824 1.7 0 0.2 sshd: root@pts/0
58 2 root SW 0 0.0 0 0.2 [mmcqd/0]
424 2 root SW 0 0.0 0 0.2 [RTW_CMD_THREAD]
141 2 root SW 0 0.0 0 0.2 [kworker/0:3]
177 1 root S 7328 1.9 0 0.0 /usr/lib/systemd/systemd-udevd
410 1 root S 6916 1.8 0 0.0 /usr/bin/nmbd --configfile=/run/samba/smb.conf
Note that CPU usage is around 50-55% and I have the maximum of drops...
I am ready to provide any other info.
Thanks