[Bug 256511] UFS assertion failure when shutting down from single-user mode

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 10 Jun 2021 14:03:22 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256511

--- Comment #2 from Mark Johnston <markj_at_FreeBSD.org> ---
(In reply to Konstantin Belousov from comment #1)
It has SU enabled, no journaling.  The mount is ro, yes.

A bit surprising to me, the problem only occurs if I specify "ufs:gpt/rootfs"
at the mountroot prompt.  If I enter "ufs:/dev/gpt/rootfs" instead, I cannot
trigger a panic.  Perhaps the former syntax is not really valid.

magic   19540119 (UFS2)                                                         
last mounted time       Thu Jun 10 14:01:04 2021                                
last modified time      Thu Jun 10 14:01:04 2021                                
superblock location     65536   id      [ 60c21440 6928a463 ]                   
ncg     58      size    13106127        blocks  13096358                        
bsize   32768   shift   15      mask    0xffff8000                              
fsize   4096    shift   12      mask    0xfffff000                              
frag    8       shift   3       fsbtodb 3                                       
minfree 8%      optim   time    symlinklen 120                                  
maxbsize 32768  maxbpg  8192    maxcontig 2     contigsumsize 2                 
nbfree  1531501 ndir    2384    nifree  114306  nffree  67                      
bpg     28689   fpg     229512  ipg     2432    unrefs  0                       
nindir  4096    inopb   128     maxfilesize     2252349704110079                
sbsize  4096    cgsize  32768   csaddr  192     cssize  4096                    
sblkno  24      cblkno  32      iblkno  40      dblkno  192                     
cgrotor 0       fmod    0       ronly   0       clean   0                       
metaspace 0     avgfpdir 64     avgfilesize 16384                               
flags   unclean soft-updates                                                    

fsmnt   /                                                                       
volname VM      swuid   0       providersize    13106127

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Received on Thu Jun 10 2021 - 14:03:22 UTC

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