From nobody Tue Apr 7 16:53:29 2026 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 4fqshw34vtz6YZ4n for ; Tue, 07 Apr 2026 16:53:36 +0000 (UTC) (envelope-from kib@freebsd.org) 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 4fqshw110dz48tv for ; Tue, 07 Apr 2026 16:53:36 +0000 (UTC) (envelope-from kib@freebsd.org) 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 637GrTMZ088718; Tue, 7 Apr 2026 19:53:32 +0300 (EEST) (envelope-from kib@freebsd.org) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 637GrTMZ088718 Received: (from kostik@localhost) by tom.home (8.18.1/8.18.1/Submit) id 637GrTXJ088717; Tue, 7 Apr 2026 19:53:29 +0300 (EEST) (envelope-from kib@freebsd.org) X-Authentication-Warning: tom.home: kostik set sender to kib@freebsd.org using -f Date: Tue, 7 Apr 2026 19:53:29 +0300 From: Konstantin Belousov To: Jan Martin Mikkelsen Cc: current@freebsd.org Subject: Re: Panic: cache_vop_rename: lingering negative entry Message-ID: References: <2016260A-5C07-45EE-87CA-73918BA16E83@transactionware.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <2016260A-5C07-45EE-87CA-73918BA16E83@transactionware.com> X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=4.0.2 X-Spam-Checker-Version: SpamAssassin 4.0.2 (2025-08-27) on tom.home 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] X-Rspamd-Queue-Id: 4fqshw110dz48tv X-Spamd-Bar: ---- On Tue, Apr 07, 2026 at 05:02:05PM +0200, Jan Martin Mikkelsen wrote: > Hi, > > I am consistently getting the panic below while building lang/perl5.42. This is the command from the perl build that triggers the panic: > > /usr/bin/strip /ports-work/usr/ports/lang/perl5.42/work/stage/usr/local/bin/perl5.42.0 > > CURRENT on aarch64, with a kernel from last week, also with a later one from the weekend. A kernel from mid-January worked fine. > > I can reproduce on demand, no parallelism in the build required. > > Does this look familiar to anyone? > > panic: cache_vop_rename: lingering negative entry > cpuid = 4 > time = 1775410763 > KDB: stack backtrace: > db_trace_self() at db_trace_self > db_trace_self_wrapper() at db_trace_self_wrapper+0x38 > vpanic() at vpanic+0x1a0 > panic() at panic+0x48 > cache_vop_rename() at cache_vop_rename+0xb0 > zfs_do_rename() at zfs_do_rename+0xafc > zfs_freebsd_rename() at zfs_freebsd_rename+0x5c > VOP_RENAME_APV() at VOP_RENAME_APV+0x44 > kern_renameat () at kern_renameat+0x574 > do_el0_sync() at do_el0_sync+0x5f8 > handle_el0_sync() at handle_el0_sync+0x4c > --- exception, esr 0x56000000 > KDB: enter: panic > [ thread pid 81230 tid 101738 ] > Stopped at kdb_enter+0x48: str xzr, [x19, #3072] Is it reproducable on UFS and/or tmpfs?