Bad system hang - please help!

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Bad system hang - please help!

Postby MonetsChemist » Wed May 24 2017 16:58

Brand new install of Volumio on CuBox-i4pro

Linux volumio 3.14.79 #2 SMP Sat Jan 28 19:39:16 CET 2017 armv7l GNU/Linux

My music library is mounted via eSATA on /mnt/ESATA
/var/lib/mpd/music/USB -> /mnt/ESATA/Music

The external drive is EXT-4.

What happens - through the web interface, I see no music, so I use My Music > Update to add it.

This proceeds to add music for awhile, getting about 1/4 of the way through the collection.

Then the web interface goes away, being replaced by the circle of spinning dots. Simultaneously on the console I receive this message:

systemd-journald[257]: Assertion 's->type == SOURCE_ID' failed at ../src/libsystemd/sd-event/sd-event.c:1792, function process_io(). Aborting.

Plus more messages about systemd-journald.service entering failed state, volumio.service being killed, etc.

At this point the system is so borked I cannot issue a "sudo halt". Needless to say networking is down etc. I am able to do some things but sudo definitely not. So I retreat to a sync; sync; sync and pulling the power plug.

Other than taking a photo of the screen I don't know how to save the messages generated; so here is a link to the screen shot:

https://goo.gl/photos/r4rGbW4UEFMc1WiJ8

Thanks in advance for any help!

EDIT: further to the above, I have just finished trying the same drive via USB, and also a completely different drive via USB.

In some cases I get kernel panics, alone or along with the systemd journald problem.

The most recent says

BUG: soft lockup - CPU#1 stuck for 21s! [jdb2/mmcblk0p3-:219]
Modules linked in: nfsd xt_REDIRECT etc etc

CPU: 1 PID: 219 Comm: jdb2/mmcblk0p3- Tainted: G D 3.14.79 #2
task: da48d800 ti: da716000 task.ti: da716000
PC is at __mem_cgroup_commit_charge.constprop.15+0x2a4/0x2c0
LR is at __mem_cgroup_commit_charge.constprop.15+0x30/0x2c0

etc.

I have photos of these too (in the case when the kernel panics there is no more console shell left reading commands).
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Bad system hang - please help!

Postby gkkpch » Fri May 26 2017 15:14

Yes, we now have a number of similar reports where volumio crashes while scanning the music library on a cubox-i4.
It is an issue we had on several different platforms which we resolved with an mpd update a few weeks ago.
Unfortunately, the cubox-i4 still has probems. I'm investigating this, but to no avail sofar.
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Bad system hang - please help!

Postby MonetsChemist » Sat May 27 2017 20:53

One pathetic update on this... I thought it might be SD card with a bad block or something, so I grabbed a new class 10 SD card this morning and tried it out. Same problem.

So good luck; and if there's anything I can do to help please let me know!
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