From nobody Thu Mar 5 08:10:03 2026 X-Original-To: bugs@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 4fRMf33Tmzz6Tq4c for ; Thu, 05 Mar 2026 08:10:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fRMf31MCZz3Yjp for ; Thu, 05 Mar 2026 08:10:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1772698203; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EAs2IBrMsWBhM2ZhtD6Fm9dYXj05F07DrtuAPd4lcbE=; b=dVtS9PokLwpvggSqV+fchS14QfbFdA/84z/oLHFPbyXC9UXyocE2Y5YigJ6XkmM6vOa/UR +Pxd9Co7OA15sqhf+MfPgp5a8BkTkilD//Ns8pIT1xkvSUIKykVPKY5MfNHij9bkPLwpTw HuDC3l4F047kvng6KzMex5PleoD0u9mer4DhM39MsnlHixfb2Dis9rASQcc1TWU0Z+6u2m Dz25A05l7DuxLUFvXlpPXki6drSEuFwGozm11B1ao4uWIC3tn8jr+ddxb/MmVgUbq1NWO6 hlNQA1K2jLf00JxefHDpXQq92zHAp6BpDmT5S1BlRcYbQ6KM4IpewlEYVnTGKA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1772698203; a=rsa-sha256; cv=none; b=BXn9YAKnjPuRii8qWZdKKzCLx+42G1cvVF088wfJ523d4Gy2gTl4rcmWLVBFwF1owfnGzL jRnbqVGLBhpS2rIIOWDJjrCtjWnMFS9m4ejLsnH++JEHWMKkSk+4Jt/Wv1tWHalZok93Fu G3K8LcJ739BgLMxL/2+O+H+PD4GnyMKJammKFfo6ccopJerFTt0V5khne1Y1yJwoScRbcb 03vU0xFDbe/sZg7cFosYh4YFthBWKmJD7iKD4RksSh/O2JhdG9Mlx9Bd3QdMsroClUh808 MT4mqqhKLu5P9AMRVcW1pfrorEtmnnvQ2aTPqSBmcqKCydCN838Dy1M7ILCAYg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1772698203; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EAs2IBrMsWBhM2ZhtD6Fm9dYXj05F07DrtuAPd4lcbE=; b=GjGoqjBYWBz3kgmT0l2ubU+2E450Td3CzpxOifgUFsB5untKsySHTYpOlM9DtuEJenPa/x BC3+VCOvYEaAIIJA03kD4Ue1HxJsixCCzzRBP+XxdaMfyJSBclCfAuTZmHhgwhUaLPa2ee yNmASQymzokTTuVHrvKdnw9j/gbUTLoY9/TFTarzRTkVSCRjbhUtajVlbn82jnCkaT5nmt zwyv2fbd5E3xhkrRqNJhyQHndsky9hshTTP/3fBtxZiJk2OsvdsDmYMCHPOgQjhya7JoMu hSlGXC3bxm2NPeP4z1RkIeWy9/K1hWBFrcR/AvQMU1qCfZsMSkNyN19gMu6SpA== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4fRMf30C6NzCPx for ; Thu, 05 Mar 2026 08:10:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 6258A2sC051461 for ; Thu, 5 Mar 2026 08:10:02 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 6258A2HF051460 for bugs@FreeBSD.org; Thu, 5 Mar 2026 08:10:02 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 293382] Dead lock and kernel crash around closefp_impl Date: Thu, 05 Mar 2026 08:10:03 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.3-STABLE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: devgs@ukr.net X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D293382 --- Comment #6 from Paul --- Finally caught another crash. Alas I was a bit busy at the time and only reporting back now. The bad thing is: somehow it did not produce the /var/crash/vmcore.1. After= the reboot it has spitted out: Starting syslogd. savecore 1735 - - reboot after panic: general protection fault Mar 3 12:14:25 frv21 savecore[1735]: reboot after panic: general protection fault savecore 1735 - - writing core to /var/crash/textdump.tar.1 Writing crash summary to /var/crash/core.txt.1. Starting chronyd. but... $ cat core.txt.1 /var/crash/vmcore.1 not found Available files are: config.txt core.txt.1 ddb.txt msgbuf.txt panic.txt=20=20= =20=20=20 textdump.tar.1 Last messages: $ tail -n 50 msgbuf.txt <5>Limiting tcp reset response from 67253 to 49997 packets/sec <5>Limiting tcp reset response from 67169 to 49995 packets/sec <5>Limiting tcp reset response from 65293 to 49993 packets/sec <5>Limiting tcp reset response from 64794 to 50015 packets/sec <5>Limiting tcp reset response from 65880 to 50012 packets/sec <5>Limiting tcp reset response from 65243 to 50000 packets/sec <5>Limiting tcp reset response from 71695 to 49993 packets/sec <5>Limiting tcp reset response from 79815 to 49998 packets/sec <5>Limiting tcp reset response from 71724 to 49997 packets/sec <5>Limiting tcp reset response from 67537 to 50005 packets/sec <5>Limiting tcp reset response from 65417 to 50000 packets/sec <5>Limiting tcp reset response from 75635 to 50009 packets/sec <5>Limiting tcp reset response from 71016 to 50005 packets/sec <5>Limiting tcp reset response from 78743 to 49986 packets/sec <4>TCP syncache overflow detected; using syncookies for the next 15 seconds <118>Mar 3 00:40:02 frv21 kernel: TCP syncache overflow detected; using syncookies for the next 15 seconds Fatal trap 9: general protection fault while in kernel mode cpuid =3D 3; apic id =3D 03 instruction pointer =3D 0x20:0xffffffff80b590fd stack pointer =3D 0x28:0xfffffe07e5854d70 frame pointer =3D 0x28:0xfffffe07e5854d70 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 86706 () rdi: deadc0dedeadc0f6 rsi: 0000000000000004 rdx: ffffffff811ab239 rcx: 0000000000000122 r8: 0000000000000001 r9: ffffffff81e1cba8 rax: fffff801be6b4000 rbx: 00000000000774c3 rbp: fffffe07e5854d70 r10: 0000000000000000 r11: 0000000000000004 r12: fffff8010bbfa418 r13: fffff84f0bab13c0 r14: 00000000000774c3 r15: fffff8010bbfa400 trap number =3D 9 panic: general protection fault cpuid =3D 3 time =3D 1772532522 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe07e5854= af0 vpanic() at vpanic+0x161/frame 0xfffffe07e5854c20 panic() at panic+0x43/frame 0xfffffe07e5854c80 trap_fatal() at trap_fatal+0x68/frame 0xfffffe07e5854ca0 calltrap() at calltrap+0x8/frame 0xfffffe07e5854ca0 --- trap 0x9, rip =3D 0xffffffff80b590fd, rsp =3D 0xfffffe07e5854d70, rbp = =3D 0xfffffe07e5854d70 --- __mtx_assert() at __mtx_assert+0x3d/frame 0xfffffe07e5854d70 knote_fdclose() at knote_fdclose+0x12e/frame 0xfffffe07e5854dc0 closefp_impl() at closefp_impl+0x96/frame 0xfffffe07e5854e00 amd64_syscall() at amd64_syscall+0x15a/frame 0xfffffe07e5854f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe07e5854f30 --- syscall (6, FreeBSD ELF64, close), rip =3D 0x82d3ea32a, rsp =3D 0x86015= 1bb8, rbp =3D 0x860151bd0 --- Crash point still looks the same. We aren't sure why there is no core dump. Have we configured/built the kern= el improperly? But, the last time, only one of the two crashes have produced it.=20 Seems like it chance related and we have to keep trying? --=20 You are receiving this mail because: You are the assignee for the bug.=