Date: Wed, 15 Nov 2017 12:52:58 +1100 From: Jan Mikkelsen <janm@transactionware.com> To: FreeBSD Stable Maling List <freebsd-stable@freebsd.org> Subject: Re: Panic in unionfs "it is not a unionfs-vnode" Message-ID: <1F01FF1D-AC5E-41B5-9134-7E81ED8E60D7@transactionware.com> In-Reply-To: <06DF69C5-884F-4483-8AF7-2013F4E868D1@transactionware.com> References: <06DF69C5-884F-4483-8AF7-2013F4E868D1@transactionware.com>
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Oops, wrong list. I just resent to freebsd-current. > On 15 Nov 2017, at 12:48, Jan Mikkelsen <janm@transactionware.com> = wrote: >=20 > Hi, >=20 > I got the panic below in unionfs. Head as at 325569, 2017-11-09 = 12:41:00 +1100 (Thu, 09 Nov 2017). >=20 > This is a ufs filesystem union mounted on top of a read-only ufs /etc. = I know unionfs has "architecture issues=E2=80=9D. Is this resolvable?=20 >=20 > panic: unionfs: it is not unionfs-vnode > cpuid =3D 5 > time =3D 1510678800 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame = 0xfffffe02c418c280 > vpanic() at vpanic+0x19c/frame 0xfffffe02c418c300 > kassert_panic() at kassert_panic+0x126/frame 0xfffffe02c418c370 > unionfs_lock() at unionfs_lock+0x635/frame 0xfffffe02c418c400 > VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd9/frame 0xfffffe02c418c430 > _vn_lock() at _vn_lock+0x66/frame 0xfffffe02c418c4a0 > vget() at vget+0x82/frame 0xfffffe02c418c4e0 > cache_lookup() at cache_lookup+0x787/frame 0xfffffe02c418c5c0 > vfs_cache_lookup() at vfs_cache_lookup+0xac/frame 0xfffffe02c418c620 > VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0xd3/frame 0xfffffe02c418c650 > lookup() at lookup+0x682/frame 0xfffffe02c418c6f0 > namei() at namei+0x51a/frame 0xfffffe02c418c7b0 > kern_statat() at kern_statat+0x98/frame 0xfffffe02c418c9c0 > sys_fstatat() at sys_fstatat+0x2f/frame 0xfffffe02c418cac0 > amd64_syscall() at amd64_syscall+0x79b/frame 0xfffffe02c418cbf0 > Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe02c418cbf0 > --- syscall (552, FreeBSD ELF64, sys_fstatat), rip =3D 0x800dd48da, = rsp =3D 0x7fffffffddc8, rbp =3D 0x7fffffffde70 =E2=80=94 >=20 >=20 > Thanks, >=20 > Jan Mikkelsen >=20 >=20
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