DirkS
3 September 2018 09:32
1
I’m using OSMC on an Pi1 Rev B (I know, I know).
But after installing the 2018.08 updates this morning everything started to stutter. Before this it was running the 2018.07 release
By everything I mean:
skin, including skin sound effects
videos (mostly get-iplayer downloads): again video and sound. Videos are streamed from an NFS source.
live streaming seems to be better, although I noticed the odd minor hiccup even there just now.
Any ideas what could be the cause. Possible solution?
1 Like
In designing our forum here, we made certain that when every user makes their very first post they are prompted to read this
2 Likes
I’m having the exact same problem, on a Raspberry Pi B+. When I stop the stuttering video, then go to System Info, it shows the System CPU usage at 100%. Eventually it calms down, but the stuttering problem remains.
ActionA
5 September 2018 22:02
5
6 posts were split to a new topic: Pi3 stuttering with August update
chaku
4 September 2018 01:28
6
mande
4 September 2018 06:12
7
Good morning
A similar situation I have. The stutter is already in the idle. Working isn’t possible. CPU utilization is usually 100%.
Raspberry Pi Model B Rev 2
https://paste.osmc.tv/dizavupudi
Thank you for your support.
Regards
Andreas
DirkS
4 September 2018 09:39
8
Uploaded the log: https://paste.osmc.tv/afiqajaxis
As I mentioned this is on a Pi Model B rev 2 (512MB).
Can you show the output of top or htop?
Sam
DirkS
4 September 2018 11:44
10
Output of top while playing a video (BBC-iplayer) from NFS share).
top - 12:34:40 up 3 min, 2 users, load average: 3.62, 1.70, 0.68
Tasks: 75 total, 2 running, 46 sleeping, 0 stopped, 0 zombie
%Cpu(s): 26.8 us, 58.7 sy, 11.7 ni, 0.0 id, 0.0 wa, 0.0 hi, 2.8 si, 0.0 st
KiB Mem : 360520 total, 85740 free, 101000 used, 173780 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 228792 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
297 osmc 20 0 676348 128936 57088 S 58.7 35.8 1:59.68 kodi.bin
73 root 20 0 0 0 0 I 10.9 0.0 0:10.76 kworker/0:3
676 osmc 20 0 5536 3020 2448 S 4.8 0.8 0:04.09 tmux: server
756 osmc 20 0 6444 2844 2364 R 1.9 0.8 0:01.42 top
625 osmc 20 0 11428 3980 3240 S 1.3 1.1 0:00.84 sshd
7 root 20 0 0 0 0 S 1.0 0.0 0:00.87 ksoftirqd/0
51 root 1 -19 0 0 0 S 1.0 0.0 0:01.39 vchiq-slot/0
1916 osmc 20 0 1872 1224 1072 S 1.0 0.3 0:00.03 byobu-status
8 root 20 0 0 0 0 R 0.3 0.0 0:00.72 rcu_preempt
155 root 20 0 0 0 0 I 0.3 0.0 0:00.20 kworker/u2:2
1914 osmc 20 0 1872 1156 1084 S 0.3 0.3 0:00.01 sh
1 root 20 0 26884 6028 4996 S 0.0 1.7 0:02.80 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root 20 0 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0
4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H
5 root 20 0 0 0 0 I 0.0 0.0 0:00.00 kworker/u2:0
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 mm_percpu_wq
9 root 20 0 0 0 0 I 0.0 0.0 0:00.00 rcu_sched
10 root 20 0 0 0 0 I 0.0 0.0 0:00.00 rcu_bh
11 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kdevtmpfs
12 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 netns
13 root 20 0 0 0 0 I 0.0 0.0 0:00.17 kworker/0:1
14 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khungtaskd
15 root 20 0 0 0 0 S 0.0 0.0 0:00.00 oom_reaper
16 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 writeback
17 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kcompactd0
18 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 crypto
19 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kblockd
20 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 watchdogd
21 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rpciod
22 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 xprtiod
vspeed
4 September 2018 19:48
11
hi,
same issue here with rpi1 b
frames while idle average only around 8fps while cpu usage is around 90%
here goes top:
osmc@osmc-rpi1:~$ top
top - 20:24:55 up 13 min, 1 user, load average: 1.05, 1.65, 1.31
Tasks: 74 total, 2 running, 45 sleeping, 0 stopped, 0 zombie
%Cpu(s): 17.2 us, 23.2 sy, 39.5 ni, 9.2 id, 0.0 wa, 0.0 hi, 10.8 si, 0.0 st
KiB Mem : 360520 total, 20764 free, 140044 used, 199712 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 190308 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
357 osmc 20 0 731412 161044 57248 R 80.3 44.7 10:07.17 kodi.bin
1354 osmc 20 0 6444 2860 2408 R 1.6 0.8 0:00.32 top
7 root 20 0 0 0 0 S 0.6 0.0 0:03.99 ksoftirqd/0
8 root 20 0 0 0 0 I 0.6 0.0 0:04.19 rcu_preempt
51 root 1 -19 0 0 0 S 0.3 0.0 0:04.92 vchiq-slot/0
1 root 20 0 26912 5928 4872 S 0.0 1.6 0:02.83 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H
5 root 20 0 0 0 0 I 0.0 0.0 0:00.07 kworker/u2:0
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 mm_percpu_wq
9 root 20 0 0 0 0 I 0.0 0.0 0:00.00 rcu_sched
10 root 20 0 0 0 0 I 0.0 0.0 0:00.00 rcu_bh
11 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kdevtmpfs
12 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 netns
13 root 20 0 0 0 0 I 0.0 0.0 0:03.55 kworker/0:1
14 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khungtaskd
15 root 20 0 0 0 0 S 0.0 0.0 0:00.00 oom_reaper
logs:https://paste.osmc.tv/wuyewuwifa
Same prb here@100 % during play
RP1 mod b
Here is the top output
top - 23:42:00 up 24 min, 1 user, load average: 0.32, 0.67, 0.75
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
Just updated my RPI2 this evening and also experiencing the sound stuttering, except mine is happening from the very start. Looking at the System Info, the CPU is permanently running at 100% and ‘Memory used’ just continues to creep up. Prior to doing the debug option to generate the log files, the RPI2 had been running for just over one hour and memory used was up to 49% with it not doing anything at all.
The log files are here: https://paste.osmc.tv/icahoyuduz
Is there any way to revert back to the July update in the meantime, as nothing is watchable at the moment?
DirkS
5 September 2018 06:13
15
I downloaded and installed the July version to a fresh card and then put back the OSMC settings backup. You can find the images at the bottom of the download page.
Hi All,
I’m not sure if my issue is related, but thought it worth mentioning.
I have experienced a similar issue after this update on my pi3… symptoms were OSMC gui ran fine but audio and then video freezes after approx 2-3 mins of playback. Cpu levels all look ok and I could still ssh in to reboot.
My issue seemed very similar to another issue I had after an update back in January… back then @sam_nazarko advised me to roll back to the previous kernel version… Please see this thread for details:
https://discourse.osmc.tv/t/all-videos-hang-after-jan-update/
After experiencing this again with 2018.08 update I revisited this thread and followed the instructions again to roll back the kernel version. This time to rbp2-image-4.14.34-4-osmc
This seems to have fixed the issue for me… videos now play again with no freezing.
My logs, in case they are useful…https://paste.osmc.tv/kavuyonure
Hopefully this might assist in finding the root cause of these issues…
Good luck all
Does the OSMC backup contain all the thumbnail images for the movies and shows that I have on my NAS drives, or will I have to let it scan everything again? Have never had an issue with the RPI2 until now, so not familar with the backup option.
Should do, yes. You can scroll down to see all the portions that can be in/excluded.
I can verify that I had this problem on my Pi 2. Did a downgrade of the kernel and the problem is fixed. It’s an easy fix, just ssh in: Accessing the command line - General - OSMC
and run this command:
sudo apt install --reinstall rbp2-image-4.14.34-4
and then reboot
sudo reboot
DirkS
5 September 2018 17:59
22
Of course that’s for a Pi2, not a Pi1.
DirkS
5 September 2018 18:54
24
Reverting to the previous kernel seems to solve the problem. No more stuttering
