[FS#804] mt7621: kernel errors - rcu_sched detected stalls on CPUs/tasks

[LEDE Bugs]

The following task has a new comment added:

FS#804 - mt7621: kernel errors - rcu_sched detected stalls on CPUs/tasks
User who did this - camel (camel)

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hmm :( ..
f2fs can'T be used ... which i need as there are all the logs analysing scripts were written to it :(
can you try if you can include that into your image ?
on mounting it give me that error:
Mon Jul 24 13:55:03 2017 kern.warn kernel: [  615.690000] f2fs: Unknown symbol posix_acl_chmod (err 0)
Mon Jul 24 13:55:03 2017 daemon.err modprobe: 1 module could not be probed
Mon Jul 24 13:55:03 2017 daemon.err modprobe: - f2fs
Mon Jul 24 13:55:04 2017 kern.warn kernel: [  615.790000] f2fs: Unknown symbol posix_acl_chmod (err 0)
Mon Jul 24 13:55:04 2017 daemon.err modprobe: 1 module could not be probed
Mon Jul 24 13:55:04 2017 daemon.err modprobe: - f2fs
Mon Jul 24 13:55:04 2017 kern.warn kernel: [  615.910000] f2fs: Unknown symbol posix_acl_chmod (err 0)
Mon Jul 24 13:55:04 2017 daemon.err modprobe: 1 module could not be probed
Mon Jul 24 13:55:04 2017 daemon.err modprobe: - f2fs
Mon Jul 24 13:55:04 2017 kern.warn kernel: [  616.010000] f2fs: Unknown symbol posix_acl_chmod (err 0)
Mon Jul 24 13:55:04 2017 daemon.err modprobe: 1 module could not be probed
Mon Jul 24 13:55:04 2017 daemon.err modprobe: - f2fs

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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=804#comment3089