https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206923
Bug ID: 206923
Summary: lock order reversal, vfs_bio.c:3476 ufs_dirhash.c:281
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
I don't have an easy way to capture the back-trace and pull it from the machine
right now, so I've attached a screen-cap and hand-transcribed salient bits:
witness_debugger+0x70
witness_checkorder+0xe71
_sx_xlock+0x72
ufsdirhash_add+0x3d
ufs_direnter+0x62f
ufs_makeinode+0x5f3
ufs_create+0x2d
VOP_CREATE_APV+0xf1
vn_open_cred+0x2f8
kern_openat+0x25c
amd64_syscall+0x2db
Xfast_syscall+0xfb
The system was a fresh install of CURRENT downloaded last night, put on a Dell
Inspiron i1420 with pretty default configuration (one whole disk GPT partition
with a boot, / and swap configuration) mostly just to test some jail stuff.
Only new packages installed were zip/unzip/bunzip/bunzip2 so I could uncompress
the Handbook (html-split). It was triggered in /usr/share/doc/handbook/html
(the last two subdirectories being subdirectories I'd created to house the
handbook). The error was triggered by executing "tar xf book.html-split.tar"
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