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Sat, 12 Sep 2020 20:24:07 +0200 (CEST) Subject: Re: Problem with zfs.ko: lockstat_enabled symbol To: Eric McCorkle , freebsd-hackers@freebsd.org, freebsd-current References: <4140b983-3d61-e1a4-dd7f-90bce61c45cf@metricspace.net> From: Guido Falsi Autocrypt: addr=mad@madpilot.net; keydata= mQENBE+G+l0BCADi/WBQ0aRJfnE7LBPsM0G3m/m3Yx7OPu4iYFvS84xawmRHtCNjWIntsxuX fptkmEo3Rsw816WUrek8dxoUAYdHd+EcpBcnnDzfDH5LW/TZ4gbrFezrHPdRp7wdxi23GN80 qPwHEwXuF0X4Wy5V0OO8B6VT/nA0ADYnBDhXS52HGIJ/GCUjgqJn+phDTdCFLvrSFdmgx4Wl c0W5Z1p5cmDF9l8L/hc959AeyNf7I9dXnjekGM9gVv7UDUYzCifR3U8T0fnfdMmS8NeI9NC+ wuREpRO4lKOkTnj9TtQJRiptlhcHQiAlG1cFqs7EQo57Tqq6cxD1FycZJLuC32bGbgalABEB AAG0Hkd1aWRvIEZhbHNpIDxtYWRAbWFkcGlsb3QubmV0PokBOQQTAQgAIwIbAwIeAQIXgAUL CQgHAwUVCgkICwQWAgMBBQJS79AgAhkBAAoJEBrmhg5Wy9KTc0kH/RO64ORBlTbTHaUaOj8F Je5O5NU2Pt9Cyt5ZWBRvxntr1zPTJGKRPS9ihlIfqT4ZvEngQGp57EUyFbCpI0UWasTerImM tt5WACnGmCzUTB39UXx8Oy4b1EgWeTJQ747e/F1mQLXTNa6ijRBE9fYlTb4gAkPN88/wVV9v 3PZozKLTg16ghBzHM/P7Lk8L7clPEZChX1FTa/6eSt3nvzfCuTMZbBPJF/ph+q1KyPqRgVfh tyhu5dvgMoPz/ni41IfeSrkJTD5RXzdyGR9q4Z1NYeBsLkRjC4LxKAP5KqUsvlOUjKvO1byj ApYdMarol+IGkaSk9e3zVYAJkWKjn/ni8Xa5Ag0EUxB7QQEQAKFhrDceoPdK/IHDSmoj6SQY isvM7VdhcleS7E9DoEAVt7yMbf6HbbMVTTY6ckvwTWQssywLBXNVqxgc4WLJjzfUhgef+WE7 5M3+WFYlOVQLGZY/zEVgma1raYnOHNAOzeHLDmEXjbZP6vGAeDyBbGfQPpE7qGYZ7ubeT3Xw QO+PklcCrvOPj2ZPcAxGNS2xVU/LzONqCrJqLMJSIcCdsbiSP4G5PnDFHtMokaTY6OEr8OEQ fOAerhcHUa/z7Uu8YtmaqKH+QGkE/WEgaRqSiTnv0JOTD+DxehaqvoKPPZ++2NpCZMHB2i6A /xifmQwEiIjEXtcueBRzkNUQkxhqZyS13SrhocL9ydtaVPBzZatAEjUDDEJmAMLVFs45qfyh MiNapHJo2n3MW/E5omqCvEkDdWX/en3P7CK2TemeaDghMsgkNKax/z0wNo5UZCkOPOz0xpNi UilOVbkuezZZNg65741qee2lfXhQIaZ66yT7hphc/N/z3PIAtLeze4u1VR2EXAuZ2sWAdlKC NTlJMsaU/x70BV11Wd/ypnVzM68dfdQIIAj1iMFAD/lXGlEUmKXg5Ov2VQDlTntQoanCYrAg +8CttPzjrydgLZFq3hrtQmfc0se5yv1WHS69+BsUOG09RvvawUDZxUjW19kyeN9THaNRgow3 kSuArUp6zSmJABEBAAGJAR8EGAEIAAkFAlMQe0ECGwwACgkQGuaGDlbL0pMN5wgA4bCkX/qw EVC06ToeR6C2putmSWQMgpDaqrv65Hubo+QGmg2P4ewTYQQ4g6oYWS03qHxqVVWhKz7FjfrV +dH8qbCLfSgIcvdBha7ayGZVrsiuMLKGbw36fcmkZPpSDOfHcP0XH8Z+u9CWj0xUkTxAlZ/7 i6gYSUpG2JWNtdmE/X8VVEyXusCLwy0K0BI60A/4dRTIX3C4QKrJ3ZbUXegz70ynjHf+lQMZ 9IZKASoRMuS5FozPQh6abvmwZEPdf5I9riUElzvHrqJ8Bx0t3Pujdoth+yNHpnBxrtO8LkQd rQ58P0SwcaIX33T2U9pG8bhu5YVR88FQ8OQ0cEsPBpDncrkBDQRPhvpdAQgAsd6mrOq1GSZw lzRscNQa9W2WB/3Tj4ON4PL2e9B+hc9lT/ny2zB3agXu5wbsXTzwxgJpQT7hNHkCSckW98h3 HRjFfhZPNCgInuUGsjcNyVguQh+/47ckhph0s7U+6B4yNuIiqQZk4mo8WgCNj1YIihVmGWEs gDOwMaajbDYZ0r1/3GkKlYjOXeUuT/WgourrSR5oZJVNA/k4X2H7M3JUr1BSc32L7BJt8M7A ntul6k17J0L8GmkvLvTUtQTO+p+DYQMna2ngD3PbAvQRcbEGnkg9ABrdEF0Wp4Gx+gGGWsyF KlHvPdMtgWAy3JsS+rQapG6LoW3yUJpwpEpA86KdBwARAQABiQEfBCgBCAAJBQJTEH0NAh0B AAoJEBrmhg5Wy9KTMZcIAMSsidGF4KpjGcKzhkNK0sEpevcelQ6DzgT7kcXuq6LQ6YOrbof2 /KPgGie9/ToFZfJXH8zE5GefqkKvHZbYssWilFvkI90F9n138kG205NB/2zlaQb74/v9ZMXJ XcipnIx+T2tOMCBgHJU41IMJmB+NfRt5A6CDytJdhWxqppsEo5jjy/7tJM1Nn47G87tAV8qV NUtzbS6zdnbHB4W2BJwCObbVv8epL3hu/L5efV2j2tSbVTmyvK/ClYMBqdtUo3uPX75GF/Ku YDCOP1BTA5zzmzp4PMVd+gmHcMgCZKY6lvcEtdi5FLI0we2kcY8ffPvM2d6MNhFsGLaVI95J 0oqJAR8EGAECAAkFAk+G+l0CGwwACgkQGuaGDlbL0pM18Qf9HTNNhu8N0ISKtmR8lgPhJuu8 9rOEa8KKEatr4fQ7gL+hmYOEqZ/yHLcPQvGxbAlLR7F0SheKvAEk4B1aFwGULPo0SzuO0d/W tVMEbGa95JTm/6mfiymWMlWf8UifD1MDKzzPR7Om0ybeoPM8S/RQTboUU1WLpwd4mg9pVJlK 0xr55GOSHNf4m7S+P1kvl3xgmEj14zVMq9yJBNWFlsQK5ciifh7sFpfuxWdEVbtgIdxpzImK LXSLA0vOroKAvxFTGBrBq3vxV6eUmaKyd5HbbWejmafY1ua5dcnew9lxpWKLdqkC27Vt0Cku +LtTY3325V+BChncwNcJJS7IMmBz6w== Message-ID: <4d7a830b-1413-2217-e5d5-c74a65d21219@madpilot.net> Date: Sat, 12 Sep 2020 20:24:07 +0200 In-Reply-To: <4140b983-3d61-e1a4-dd7f-90bce61c45cf@metricspace.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4Bpgxs2myJz4LHJ X-Spamd-Bar: - X-Spamd-Result: default: False [-1.58 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.04)[-1.045]; R_DKIM_ALLOW(-0.20)[madpilot.net:s=bjowvop61wgh]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; MISSING_MIME_VERSION(2.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.00)[-0.997]; TO_DN_SOME(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[madpilot.net:+]; DMARC_POLICY_ALLOW(-0.50)[madpilot.net,quarantine]; NEURAL_HAM_SHORT(-0.54)[-0.543]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:24940, ipnet:159.69.0.0/16, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current,freebsd-hackers] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Sep 2020 18:24:18 -0000 On 12/09/20 13:18, Eric McCorkle wrote: > I recently updated my other laptop, and now I'm getting a problem > loading zfs.ko at boot, relating to the lockstat_enabled symbol not > being defined (this happens during kernel boot and prevents mounting > root, so I can't get an exact trace) > > Looking at the new kernel, it seems that only zfs.ko contains the symbol > lockstat_enabled (notably, kernel does not). In my old kernel, zfs.ko > does not contain a reference to that symbol. > > Has anyone else seen this? Is there a workaround, or was this a one-off > bug? > I was getting this too, should be fixed by r365466. It can also be fixed by adding "options KDTRACE_HOOKS" to your kernel config, so that symbol gets defined. -- Guido Falsi