From nobody Sat Mar 14 17:35:54 2026 X-Original-To: freebsd-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 4fY7n01BkMz6V1jx for ; Sat, 14 Mar 2026 17:36:04 +0000 (UTC) (envelope-from ianfreislich@gmail.com) Received: from mail-yx1-xb12a.google.com (mail-yx1-xb12a.google.com [IPv6:2607:f8b0:4864:20::b12a]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fY7mz2jRdz3hQn for ; Sat, 14 Mar 2026 17:36:03 +0000 (UTC) (envelope-from ianfreislich@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20230601 header.b=SPH451Tn; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ianfreislich@gmail.com designates 2607:f8b0:4864:20::b12a as permitted sender) smtp.mailfrom=ianfreislich@gmail.com Received: by mail-yx1-xb12a.google.com with SMTP id 956f58d0204a3-64ca423ad53so3399205d50.0 for ; Sat, 14 Mar 2026 10:36:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773509756; x=1774114556; darn=freebsd.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=bwBrrSYBFozODovHhf6MMB8Vf6CNo9Mgle6sWaahje8=; b=SPH451Tnt1vZFxiNxqAeM+wd2DDyoaTSKgS4sg/vAicWBfgohnukYAV4zuzCFv+JyK aarvVJrGDppJwwnWKWH6ggApPphTQrPbY5q5fo7qK30Dz0IBYlhz5l1ynDEm8Bll7/aE 3b6w3T5ZSmMT12hPcNC4HNeK0vqAGvZIqeS9E0q/SeZvlJJQoftrmPZzSwB1xltZ06M9 PScqMKZKWQy92Py2gxQYuk3lqmHRvjvgAdJKRfABTl3nTy+0FGVK+rb336LIuNA5NhBM 93trdOtwzvW5U96GV5ijoZDnZeRraZpXr9ksi/y3fIIsi4gUcmwcQB1vunzOA7XTgKoY exMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773509756; x=1774114556; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=bwBrrSYBFozODovHhf6MMB8Vf6CNo9Mgle6sWaahje8=; b=Ni3Q02vQOF8h4jafog+OprsmpB5AXVrq8nn0fhVgCj8QMx9oLSb5JZRWLoLUAOkoh/ RapMt4M4CvRZqh9kE1aH4AOv7yegGSpwUpe7rdQkPpWhfMT4HaFXVb9/9yMVeztkH/AR 1kDQPAUPGctpeAqDcXim/dwBLLe2H0yJmKrgXF+z/q8NZUqrI93SVJyzBVd25F0EDtkG zozDxuKiBP0573LQgvGMums3eLPRzZ4+p0jhlOExgt/z2DRJfWCrCbKuC9tBAmHm+BgX W70RZMkc4d7PmUlUgTQHf/ED8vv4R7T9X0WZI4sNQKyCb+abayS7Uq9wkBkkGpR5+PKs Czdw== X-Gm-Message-State: AOJu0YyL9RxKYB+OXcQ7N2okx8IOa/nCoXbSP+oROsZZRnYO1Kpy2yGL /oyTFMFAUy9wY/y1poQ/ztcSSLaUaBYuR5/jAen3ty0i7bMBTC3y3Bewu9d24Q== X-Gm-Gg: ATEYQzycWtm1D/ZrPIP+kWDykev8Ci8ZNuGRzUZoHdRhDWkQGwzysg0LsBeHAVKGDB3 X9VFeBK8nFmCRQJkZtRYrOZC88nhVyW20+kocyTUTnlFdAb7hCBjFqey53oPMlaTfUR1uZ5hkTw sfBn+oLZLXfShMlECHvVN8E4MWFR+RJICwEuyarqC1TCsqrgYjz/EnqTxlr8tTlE3A53jnaUM6u oxFT0kVh/YVbVX6mZ+0EqurdBhcFKohmUJA2TRHIDDa1WLBKBMmfJUAoZ0Oy17X8OUSaBqMdRKO OzxDZXZxkrzpGyWxgfAt25zMDggQuo6wIvL/JgRk6OMg84omOrh86+Q2m2lXj0qMAn7FzWOd3X3 nErVtGg+eX1umqBYWRjibeG4jvMcIhZyGGfu9PWfOOjx/XGwNuNaoqyWefLHmpRsqZRbr/+h65b KUVJF9mj+bbjN5Te42oXYE0IRrhVPO2fe1QCdFXzvGLfQxOsHKcn3+ePes0KmTZSaRAh0JEaFYA zJLHA== X-Received: by 2002:a53:ba8c:0:b0:64c:a09a:ef58 with SMTP id 956f58d0204a3-64e62f6ceecmr5608562d50.36.1773509756318; Sat, 14 Mar 2026 10:35:56 -0700 (PDT) Received: from ?IPV6:2600:1700:18f0:6812:129a:8666:ef01:3293? ([2600:1700:18f0:6812:129a:8666:ef01:3293]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-64e65bac5a0sm2967132d50.22.2026.03.14.10.35.55 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 14 Mar 2026 10:35:55 -0700 (PDT) Message-ID: <5f6ad9e8-c5fe-40fe-93df-a1ea52450474@gmail.com> Date: Sat, 14 Mar 2026 13:35:54 -0400 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 User-Agent: Thunderbird Daily Subject: Re: panic: supervisor write data, protection violation (vn_read/copyout_smap_erms?) To: freebsd-current@freebsd.org References: <320b245d-85fb-49ba-9ef4-d5d335df39ed@protected-networks.net> Content-Language: en-US From: Ian FREISLICH In-Reply-To: <320b245d-85fb-49ba-9ef4-d5d335df39ed@protected-networks.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-3.06 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-0.83)[-0.827]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.25)[-0.246]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[text/plain]; XM_UA_NO_VERSION(0.01)[]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ARC_NA(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::b12a:from]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; SUBJECT_HAS_QUESTION(0.00)[] X-Rspamd-Queue-Id: 4fY7mz2jRdz3hQn X-Spamd-Bar: --- On 3/14/26 11:54, Michael Butler wrote: > On 3/14/26 10:23, David Wolfskill wrote: >> On Sat, Mar 14, 2026 at 09:28:53AM -0400, Michael Butler wrote: >>> To narrow this .. I can reliably start a kernel built at or before >>> commit >>> 277830b4d3ae. >>> >>> On 3/14/26 09:06, Subbsd wrote: >>>> ... >>>> uname -a: >>>> >>>> FreeBSD host1.my.domain 16.0-CURRENT FreeBSD 16.0-CURRENT #0 >>>> main-f91464171d61: Sat Mar 14 12:35:27 UTC 2026 >>>> root@host1.my.domain:/usr/obj/usr/jails/src/src_16/src/amd64.amd64/ >>>> sys/GENERIC >>>> amd64 >>> .... >> >> I updated my headless build machine from main-n284480-9a9f93bcf1aa to >> main-n284504-f91464171d61 this morning, but it panicked prior to >> completing the transition to multi-user mode. >> >> Checking >> https://lists.freebsd.org/archives/dev-commits-src-main/2026- >> March/040570.html, >> blame is cast on 914a53570750; further in that thread, kib@ provides a >> tentative patch (but I have not tested it). > > The patch at the end of this thread appears to solve the problem. Thanks! I can also confirm that it fixes the same panic for me. Ian