[Bug 220971] Freebsd 11.0p11 - system freeze on intensive I/O

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220971

--- Comment #2 from execve at gmail.com ---
​One update on this one. I installed a custom stable/11 kernel and world (sched
= 4BSD was the only change), and the problem
is no longer seen. From my untrained eyes, it looks like some kind of swap
request starvation causing a hang when ULE is in use.​


root at mellon:~ # uname -a
FreeBSD mellon 11.1-STABLE FreeBSD 11.1-STABLE #0
r313908+14aefcc16ee(stable/11): Sat Aug 12 00:33:04 IST 2017    
root at mellon:/usr/obj/usr/home/user1/src/freebsd/sys/MYKERNEL  amd64

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