Date: Thu, 26 Sep 2019 20:16:45 +0300 From: Lev Serebryakov <lev@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com>, Alan Somers <asomers@freebsd.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: panic: Unregistered use of FPU in kernel Message-ID: <895a9e67-5b22-d1f5-e910-f87f1b5c8374@FreeBSD.org> In-Reply-To: <20190926170241.GG44691@kib.kiev.ua> References: <CAOtMX2gLM8uWuQEz3jq2S3i7BfhUq=y6EH4MCchdJDmnzRqGsA@mail.gmail.com> <20190926170241.GG44691@kib.kiev.ua>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2yiyI2cyy8Mlxgb8duDiX8MfhPu1EHDzw Content-Type: multipart/mixed; boundary="Yixyx8aVg5zTpfLo4Yncm0xb9fmANrTwd"; protected-headers="v1" From: Lev Serebryakov <lev@FreeBSD.org> Reply-To: lev@FreeBSD.org To: Konstantin Belousov <kostikbel@gmail.com>, Alan Somers <asomers@freebsd.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Message-ID: <895a9e67-5b22-d1f5-e910-f87f1b5c8374@FreeBSD.org> Subject: Re: panic: Unregistered use of FPU in kernel References: <CAOtMX2gLM8uWuQEz3jq2S3i7BfhUq=y6EH4MCchdJDmnzRqGsA@mail.gmail.com> <20190926170241.GG44691@kib.kiev.ua> In-Reply-To: <20190926170241.GG44691@kib.kiev.ua> --Yixyx8aVg5zTpfLo4Yncm0xb9fmANrTwd Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 26.09.2019 20:02, Konstantin Belousov wrote: >> panic: Unregistered use of FPU in kernel >> >> stack trace: >> ... >> sse42_crc32c >> readsuper >> ffs_sbget >> g_label_ufs_taste_common >> g_label_taste >> g_new_provider_event >> g_run_events >> fork_exit >> ... >> >> Has anybody touched this area recently? I'll try to narrow down the c= ommit >> range. >=20 > Start with disassembling the faulting instruction. I suspect that some= how > vital compiler switches like -mno-sse got omitted in the build. *sse42*_crc32c on top of the stack says, that it USES SSE :) --=20 // Lev Serebryakov --Yixyx8aVg5zTpfLo4Yncm0xb9fmANrTwd-- --2yiyI2cyy8Mlxgb8duDiX8MfhPu1EHDzw Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE+W0coLX0MYtnSzMK6rA8WL/cR48FAl2M8oNfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEY5 NkQxQ0EwQjVGNDMxOEI2NzRCMzMwQUVBQjAzQzU4QkZEQzQ3OEYACgkQ6rA8WL/c R4+NVhAAom0qDM6G8jeiT0qSt7XZ8ia2Z5YWN4gtUYu/Xr/Se76nqJINV69BbiSw AeG9zoKuP3asFTUPHuRLaS+Q8EkjTsgy6seGAUXC427KKUU2+dPuVYqmTy7FvOSQ dAMbUaZNS+7QTZtwV+wrDH9cnM9UXd8Ora1trEJbXZebhFIT+3jLB/aMOjQDmnpb P40114jSQZv1WMf/G5nrmIA8X0JEkyI2bd4fPKTbVHOrhJpozOaH6Y5ikYDpUHyf L0ljk9TyGOZjMbWS9ZGNdy+5C7BxlN4HfoOV157ebt8TcOYjpROqDdTLvQu1NXw9 0lGIdAUV3x4UBtghkpmMszr/irPf4qHWsZ6ByYM+Tq56gVLu6L8hzn6hhlZ+EdbH +6wB3JYJ4KOj+42HTQ50YW6bN/WTq0lFuxbVIlHBAJVUwZ3Y7MnsYzoUHTxsMFow IpMTOiHuAtcEPOMJszpcAqQrqqREkg+FZ8SmCdl3txMnXukTzJPQkzHMYzgLzKN4 msuQboU9rd0sMQbxEPXZF5zjiROh7ng6NAF2k2vdLnGXYQiFZgL2AIIbnJjIyRG6 Me4s/EF5GxZ0+mg1WCEjqY9gtDtSIncWDiaomDHHscq7PSImQgdNtS7Gpr4BnfTf CEPJqkh+ALcJsNs/sv8LGyuwVfzpFy55tf377ZEKywj2MpT7QQM= =M4t3 -----END PGP SIGNATURE----- --2yiyI2cyy8Mlxgb8duDiX8MfhPu1EHDzw--
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