Date: Sat, 27 Feb 2021 15:18:23 +0100 From: Juraj Lutter <otis@FreeBSD.org> To: freebsd-current <freebsd-current@freebsd.org> Subject: Re: -CURRENT panics in NFS Message-ID: <FBDA3107-00AF-4CF3-B6FA-F09EA8163D7B@FreeBSD.org> In-Reply-To: <E173E60B-D0AF-4315-A99F-ABA1F3D5BBEF@FreeBSD.org> References: <E173E60B-D0AF-4315-A99F-ABA1F3D5BBEF@FreeBSD.org>
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Reliably reproducible:
VNASSERT failed: dvp !=3D vp not true at =
/usr/src/sys/kern/vfs_cache.c:2269 (cache_enter_time)
0xfffff80079321e00: type VDIR
usecount 4, writecount 0, refcount 3 seqc users 0 mountedhere 0
hold count flags ()
flags (VV_ROOT|VV_VMSIZEVNLOCK)
v_object 0xfffff801eeaf1d68 ref 0 pages 2 cleanbuf 1 dirtybuf 0
lock type nfs: SHARED (count 1)
fileid 34 fsid 0x3a3a00ff02
panic: condition dvp !=3D vp not met at =
/usr/src/sys/kern/vfs_cache.c:2269 (cache_enter_time)
cpuid =3D 1
time =3D 1614435453
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame =
0xfffffe00d01c3e10
vpanic() at vpanic+0x181/frame 0xfffffe00d01c3e60
panic() at panic+0x43/frame 0xfffffe00d01c3ec0
cache_enter_time() at cache_enter_time+0x1574/frame 0xfffffe00d01c3fa0
nfsrpc_readdirplus() at nfsrpc_readdirplus+0xcb6/frame =
0xfffffe00d01c43d0
ncl_readdirplusrpc() at ncl_readdirplusrpc+0xdc/frame 0xfffffe00d01c4520
ncl_doio() at ncl_doio+0x423/frame 0xfffffe00d01c45b0
ncl_bioread() at ncl_bioread+0x5cc/frame 0xfffffe00d01c4740
nfs_readdir() at nfs_readdir+0x18f/frame 0xfffffe00d01c4850
vop_sigdefer() at vop_sigdefer+0x2f/frame 0xfffffe00d01c4880
VOP_READDIR_APV() at VOP_READDIR_APV+0x38/frame 0xfffffe00d01c48a0
kern_getdirentries() at kern_getdirentries+0x1fb/frame =
0xfffffe00d01c4990
sys_getdirentries() at sys_getdirentries+0x29/frame 0xfffffe00d01c49c0
amd64_syscall() at amd64_syscall+0x12e/frame 0xfffffe00d01c4af0
fast_syscall_common() at fast_syscall_common+0xf8/frame =
0xfffffe00d01c4af0
--- syscall (554, FreeBSD ELF64, sys_getdirentries), rip =3D =
0x8012a83fa, rsp =3D 0x7fffffffd928, rbp =3D 0x7fffffffd960 ---
KDB: enter: panic
[ thread pid 1879 tid 101207 ]
Stopped at kdb_enter+0x37: movq $0,0x128bdde(%rip)
db>
=E2=80=94
Juraj Lutter
XMPP: juraj (at) lutter.sk
GSM: +421907986576
> On 27 Feb 2021, at 15:10, Juraj Lutter <otis@FreeBSD.org> wrote:
>=20
> - poudriere data stored on NFS
> - NFS server 12-STABLE
> - NFS client (that panicked) 14-CURRENT
> - Panic string:
>=20
> condition dvp !=3D vp not met at /usr/src/sys/kern/vfs_cache.c:2269 =
(cache_enter_time)
>=20
> backtrace:
>=20
> Tracing pid 27294 tid 100893 td 0xfffffe00ea1a3500
> kdb_enter() at kdb_enter+0x37/frame 0xfffffe00ea3dee10
> vpanic() at vpanic+0x1b2/frame 0xfffffe00ea3dee60
> panic() at panic+0x43/frame 0xfffffe00ea3deec0
> cache_enter_time() at cache_enter_time+0x1574/frame 0xfffffe00ea3defa0
> nfsrpc_readdirplus() at nfsrpc_readdirplus+0xcb6/frame =
0xfffffe00ea3df3d0
> ncl_readdirplusrpc() at ncl_readdirplusrpc+0xdc/frame =
0xfffffe00ea3df520
> ncl_doio() at ncl_doio+0x423/frame 0xfffffe00ea3df5b0
> ncl_bioread() at ncl_bioread+0x5cc/frame 0xfffffe00ea3df740
> nfs_readdir() at nfs_readdir+0x18f/frame 0xfffffe00ea3df850
> vop_sigdefer() at vop_sigdefer+0x2f/frame 0xfffffe00ea3df880
> VOP_READDIR_APV() at VOP_READDIR_APV+0x38/frame 0xfffffe00ea3df8a0
> kern_getdirentries() at kern_getdirentries+0x1fb/frame =
0xfffffe00ea3df990
> sys_getdirentries() at sys_getdirentries+0x29/frame 0xfffffe00ea3df9c0
> amd64_syscall() at amd64_syscall+0x12e/frame 0xfffffe00ea3dfaf0
> fast_syscall_common() at fast_syscall_common+0xf8/frame =
0xfffffe00ea3dfaf0
>=20
>=20
> running processes:
>=20
> 27295 27179 27179 0 S+ piperd 0xfffff800090b4ba0 xargs
> 27294 27179 27179 0 R+ CPU 1 find
> 27179 816 27179 0 S+ wait 0xfffff80181b69528 sh
>=20
> Dump header from device: /dev/vtbd0p3
> Architecture: amd64
> Architecture Version: 2
> Dump Length: 1860571136
> Blocksize: 512
> Compression: none
> Dumptime: 2021-02-27 14:59:59 +0100
> Hostname: b14.builder.wilbury.net
> Magic: FreeBSD Kernel Dump
> Version String: FreeBSD 14.0-CURRENT #0 main-n245107-172f2fc11cc: Fri =
Feb 26 15:20:00 CET 2021
> =
root@b14.builder.wilbury.net:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
> Panic String: condition dvp !=3D vp not met at =
/usr/src/sys/kern/vfs_cache.c:2269 (cache_enter_time)
> Dump Parity: 1481068399
> Bounds: 0
> Dump Status: good
>=20
> =E2=80=94
> Juraj Lutter
> XMPP: juraj (at) lutter.sk
> GSM: +421907986576
>=20
> _______________________________________________
> freebsd-current@freebsd.org mailing list
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> To unsubscribe, send any mail to =
"freebsd-current-unsubscribe@freebsd.org"
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