Date: Sat, 16 Sep 2023 13:36:01 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 272434] du and disk operations (like mv,cp,shutil.move/rmtree,os.rename) combination issues Message-ID: <bug-272434-227-0ksAOtl6CW@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-272434-227@https.bugs.freebsd.org/bugzilla/> References: <bug-272434-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D272434 --- Comment #9 from shamsher <meetshamsher@gmail.com> --- lock order reversal: 1st 0xfffff800028677f0 ufs (ufs, lockmgr) @ kern/vfs_mount.c:1742 2nd 0xfffff8000286dcf0 devfs (devfs, lockmgr) @ kern/vfs_subr.c:3191 lock order devfs -> ufs established at: #0 0xffffffff80682cbd at witness_checkorder+0x46d #1 0xffffffff805eacf2 at lockmgr_lock_flags+0x172 #2 0xffffffff808617fd at ffs_lock+0x9d #3 0xffffffff809bf090 at VOP_LOCK1_APV+0x40 #4 0xffffffff80711cd4 at _vn_lock+0x54 #5 0xffffffff806ef8fd at vfs_domount+0xf1d #6 0xffffffff806edd02 at vfs_donmount+0x872 #7 0xffffffff806f24b7 at kernel_mount+0x57 #8 0xffffffff806f4e61 at parse_mount+0x4a1 #9 0xffffffff806f32e7 at vfs_mountroot+0x587 #10 0xffffffff805a9adf at start_init+0x1f #11 0xffffffff805d5750 at fork_exit+0x80 #12 0xffffffff80916f1e at fork_trampoline+0xe lock order ufs -> devfs attempted at: #0 0xffffffff8068361c at witness_checkorder+0xdcc #1 0xffffffff805eacf2 at lockmgr_lock_flags+0x172 #2 0xffffffff809bf090 at VOP_LOCK1_APV+0x40 #3 0xffffffff80711cd4 at _vn_lock+0x54 #4 0xffffffff806f9ed6 at vput_final+0x116 #5 0xffffffff8085f4ef at ffs_unmount+0x33f #6 0xffffffff806f09eb at dounmount+0x43b #7 0xffffffff806f053c at kern_unmount+0x2fc #8 0xffffffff80943892 at amd64_syscall+0x122 #9 0xffffffff8091683e at fast_syscall_common+0xf8 can we change below value? looks like this having some impact: debug.vn_lock_pair_pause_max --=20 You are receiving this mail because: You are the assignee for the bug.=
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