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Subjectfuse freeze and usb devices
Date
Hello kernel experts,


I'm experiencing some fuse user space daemon freeze.

I've created a bugzilla entry so I won't repeat all the details, so see
here:

https://bugzilla.kernel.org/show_bug.cgi?id=206643

TLDR:

mergerfs is stuck inside pread64(). system is idle, manually accessing
one of the drives via hdparm/ls (or sync) unblocks the syscall and
mergerfs resumes.

I have no idea which subsystem is responsible for this behaviour, as the
scenario is a bit complex.

Thanks for your help.


P.S. Add me in CC as I'm not subscribed to the ML.


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