https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255473

--- Comment #5 from Jack <[email protected]> ---
I just encountered another infinite write with gmirror setup on UFS2+SUJ
FreeBSD 13.0-STABLE (PXE) #0 stable/13-n245487-d0fbb03a4dc5: Tue May  4
00:36:26                               

I was shutting down a virtualbox vm and then this process shows up and
attempting to lsof -p 47491 just hangs without being able to ctrl+c

47491 root          1  20    0    12M  1792K biowr    2   0:11   1.11% lockf

gstat -spod
dT: 1.001s  w: 1.000s
 L(q)  ops/s    r/s     kB   kBps   ms/r    w/s     kB   kBps   ms/w    d/s    
kB   kBps   ms/d    o/s   ms/o
  %busy Name
    0      0      0      0      0    0.0      0      0      0    0.0      0    
 0      0    0.0      0    0.0
   0.0| cd0
    3   4034      0      0      0    0.0   4034     32 129087    0.6      0    
 0      0    0.0      0    0.0
  98.5| ada0
    2   4033      0      0      0    0.0   4033     32 129055    0.5      0    
 0      0    0.0      0    0.0
  96.4| ada1
    0      0      0      0      0    0.0      0      0      0    0.0      0    
 0      0    0.0      0    0.0
   0.0| ada2

but after typing the gstat command, the system is completely frozen from i/o
and can't ssh anymore. I had to get on the console and top is running but even
top does not exit. Attaching screenshot in next comment.

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