From nobody Tue Jul 08 19:58:34 2025 X-Original-To: current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4bcBkb6Cr0z61RdN for ; Tue, 08 Jul 2025 19:58:47 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4bcBkZ6YDTz3D4C; Tue, 08 Jul 2025 19:58:46 +0000 (UTC) (envelope-from kostikbel@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: from tom.home (kib@localhost [127.0.0.1] (may be forged)) by kib.kiev.ua (8.18.1/8.18.1) with ESMTP id 568JwYUC047692; Tue, 8 Jul 2025 22:58:38 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 568JwYUC047692 Received: (from kostik@localhost) by tom.home (8.18.1/8.18.1/Submit) id 568JwYTa047687; Tue, 8 Jul 2025 22:58:34 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 8 Jul 2025 22:58:34 +0300 From: Konstantin Belousov To: Dag-Erling =?utf-8?B?U23DuHJncmF2?= Cc: current@freebsd.org, rmacklem@freebsd.org Subject: Re: NFS panic in latest main Message-ID: References: <86ecuqcw3d.fsf@ltc.des.dev> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <86ecuqcw3d.fsf@ltc.des.dev> X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on tom.home X-Rspamd-Queue-Id: 4bcBkZ6YDTz3D4C X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US] On Tue, Jul 08, 2025 at 09:37:42PM +0200, Dag-Erling Smørgrav wrote: > With main@72c848089f3b, any attempt by an NFS client to rename a file > immediately panics the server: > > panic: Lock rename not exclusively locked @ /usr/src/sys/kern/vfs_subr.c:5878 > > cpuid = 2 > time = 1752003292 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe008dbd3890 > vpanic() at vpanic+0x136/frame 0xfffffe008dbd39c0 > panic() at panic+0x43/frame 0xfffffe008dbd3a20 > _lockmgr_assert() at _lockmgr_assert+0x12e/frame 0xfffffe008dbd3a30 > vop_rename_pre() at vop_rename_pre+0x12d/frame 0xfffffe008dbd3a70 > VOP_RENAME_APV() at VOP_RENAME_APV+0x23/frame 0xfffffe008dbd3a90 > nfsvno_rename() at nfsvno_rename+0x3b2/frame 0xfffffe008dbd3bc0 > nfsrvd_rename() at nfsrvd_rename+0x5d7/frame 0xfffffe008dbd41c0 > nfsrvd_dorpc() at nfsrvd_dorpc+0x1bc/frame 0xfffffe008dbd43d0 > nfssvc_program() at nfssvc_program+0x852/frame 0xfffffe008dbd45d0 > svc_run_internal() at svc_run_internal+0xaa8/frame 0xfffffe008dbd4700 > svc_run() at svc_run+0x280/frame 0xfffffe008dbd4760 > nfsrvd_nfsd() at nfsrvd_nfsd+0x3d3/frame 0xfffffe008dbd48c0 > nfssvc_nfsd() at nfssvc_nfsd+0x535/frame 0xfffffe008dbd4de0 > sys_nfssvc() at sys_nfssvc+0xcc/frame 0xfffffe008dbd4e00 > amd64_syscall() at amd64_syscall+0x451/frame 0xfffffe008dbd4f30 > fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe008dbd4f30 > --- syscall (155, FreeBSD ELF64, nfssvc), rip = 0x36a11b2334ea, rsp = 0x36a118def0f8, rbp = 0x36a118def390 --- > KDB: enter: panic > [ thread pid 3473 tid 100319 ] > Stopped at kdb_enter+0x33: movq $0,0x9a25d2(%rip) > db> > > It was fine ~5 days ago. I have not attempted to bisect. D51211, I did not tested it.