From nobody Sat Jan 04 16:27:06 2025 X-Original-To: freebsd-hackers@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 4YQQp047wMz5hyjh for ; Sat, 04 Jan 2025 16:27:20 +0000 (UTC) (envelope-from chris.torek@gmail.com) Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) (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 4YQQp02Qnrz4j8h for ; Sat, 4 Jan 2025 16:27:20 +0000 (UTC) (envelope-from chris.torek@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-lf1-x12f.google.com with SMTP id 2adb3069b0e04-53e389d8dc7so14037667e87.0 for ; Sat, 04 Jan 2025 08:27:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1736008038; x=1736612838; darn=freebsd.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=jFwmf9ccIB/1o4yXd2ExtLRiYCXzdqSkqBb5vUdC0bs=; b=RVA3v/6nXT0B6t/oD0peKPLqs0WFGBUrXkBx4kYonCwPETAXq3w0iF1T5CTqzNay0l un68d7smRrBSMLg39Qm01NdGjB9npEihOf9CIpJctvggvS8omO6o30sPOyF/lbqhlNQS eNFVjywLW9IqD9gRPhn4NwXGDSe931X2mUWM0znLsl0uSuUmYBbcO1WIF/rtKXDDqWv5 U0pMk3ob/UtZZmxhx9RlZ0JU6kJY9tCULe6WTV2QoZL+rZn5Y5/toKg1cLGkjdxok7DX xIiSW/Cb06nNMi178ujzJ2/R7FwVZm5CeOrFX6T2C4/h3mHXIA1OmENdRYPNjL6AXHZq b8Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736008038; x=1736612838; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jFwmf9ccIB/1o4yXd2ExtLRiYCXzdqSkqBb5vUdC0bs=; b=CXHuoIqBZUG9LliYMG3ZfFVScyXycfltauSW/Xd9yvUclBs15wQmkJshOJHN4kI34r 2vwG8eSgGXHnTSNeBZeUNs6rwlKqTzUn2zWlJQo3BhazW8KwzNr0jyzTuz+D1nWcGkNh Vx5/Jq9NX5DOsLnxr70LGM1garnX/40RDwQZLiqN6IkRUHOiRQrQPvqM6fRPW+igPkua hwMRrLgkGhjTwEsfZcQpC2+1n45T5DT0OPRxkeXihO2vdOju9ZiIgaflOYC4MVowLMiw cA2G4wFk6LTXppC4rHlz2gg/8CItCsNJFd26B3qBGFymiCeLh+o3Jcdw75Hm8M4j0oRY fJPA== X-Gm-Message-State: AOJu0YzUEOI2eH9CJ2AQL2J2SmlBbCx7CtTgCYJifqh/7rG64d4kCiWg G9BmuWxmRDZiWojMmAhGje0yRdHcbO4Itp1bVkmz6OJeM2pyKSE49p4+6MGMWJJXV2UuahVhLXz 33TeJupdbKHzYQkVqkGPrZSsNFWZD0w== X-Gm-Gg: ASbGnct9j1atukICFUcGC5+z/JiDLnLmD2/J62Uw3eaW0VX8Kvg5wTUNqtbfUnlv+s1 dHl9SC1/M1IIcvWNXXNoj51ozGuoZC6MmxrhBsXk= X-Google-Smtp-Source: AGHT+IFSWnYoGkrJ9qYxZqOeusrYYi6m48yoYvB400mfV/23ySVxYkov1I2bS8sxQWFFp2UkPdcHI3O4yqFvESVBMKY= X-Received: by 2002:a05:6512:1591:b0:53e:3ac2:9bfa with SMTP id 2adb3069b0e04-54229533ac9mr14170770e87.23.1736008038267; Sat, 04 Jan 2025 08:27:18 -0800 (PST) List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@FreeBSD.org MIME-Version: 1.0 References: In-Reply-To: From: Chris Torek Date: Sat, 4 Jan 2025 08:27:06 -0800 Message-ID: Subject: Re: curious crashes when under memory pressure To: "Peter 'PMc' Much" Cc: freebsd-hackers@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4YQQp02Qnrz4j8h 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:15169, ipnet:2a00:1450::/32, country:US]; TAGGED_FROM(0.00)[] On Sat, Jan 4, 2025 at 7:01=E2=80=AFAM Peter 'PMc' Much wrote: >> I'm swapping to a zfs mirror > > Well, You shouldn't do that. Why not? Swapping to a *file* on zfs has obvious issues, but swapping to a mirrored swap partition seems like it should be entirely safe. A bit slow (double writes) but I spent $ on RAM rather than M.2 drives on the theory that I can add those later as needed. Chris