Date: Mon, 10 Feb 2020 04:52:51 -0800 From: David Wolfskill <david@catwhisker.org> To: current@freebsd.org Subject: GPF just after mounting root at r357726 Message-ID: <20200210125251.GQ1238@albert.catwhisker.org>
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--JaBjgNvtdKe5H086 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Looks as if the same thing affected both my laptop and my build machine -- each updated from r357688 (built yesterday & smoke-tested without incident). While I got some screenshots for the laptop, I have a serial console for the build machine, so: =2E.. ---<<BOOT>>--- Table 'FACP' at 0xde3c1b98 Table 'APIC' at 0xde3c1ca8 APIC: Found table at 0xde3c1ca8 APIC: Using the MADT enumerator. Copyright (c) 1992-2020 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 13.0-CURRENT #817 r357726M/357726: Mon Feb 10 04:09:32 PST 2020 root@freebeast.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/GE= NERIC amd64 FreeBSD clang version 9.0.1 (git@github.com:llvm/llvm-project.git c1a0a2133= 78a458fbea1a5c77b315c7dce08fd05) (based on LLVM 9.0.1) WARNING: WITNESS option enabled, expect reduced performance. =2E.. mountroot: waiting for device /dev/ada0s4a... Fatal trap 9: general protection fault while in kernel mode cpuid =3D 6; apic id =3D 06 instruction pointer =3D 0x20:0xffffffff80c7f97b stack pointer =3D 0x28:0xfffffe00aa965160 frame pointer =3D 0x28:0xfffffe00aa965160 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 1 (kernel) trap number =3D 9 panic: general protection fault cpuid =3D 6 time =3D 24 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00aa964= e40 vpanic() at vpanic+0x185/frame 0xfffffe00aa964ea0 panic() at panic+0x43/frame 0xfffffe00aa964f00 trap_fatal() at trap_fatal+0x386/frame 0xfffffe00aa964f60 trap() at trap+0x8b/frame 0xfffffe00aa965090 calltrap() at calltrap+0x8/frame 0xfffffe00aa965090 --- trap 0x9, rip =3D 0xffffffff80c7f97b, rsp =3D 0xfffffe00aa965160, rbp = =3D 0xfffffe00aa965160 --- biotrack_buf() at biotrack_buf+0xb/frame 0xfffffe00aa965160 g_io_deliver() at g_io_deliver+0x30/frame 0xfffffe00aa9651b0 g_io_request() at g_io_request+0x28a/frame 0xfffffe00aa9651e0 g_part_start() at g_part_start+0x289/frame 0xfffffe00aa965260 g_io_request() at g_io_request+0x28a/frame 0xfffffe00aa965290 g_part_start() at g_part_start+0x289/frame 0xfffffe00aa965310 g_io_request() at g_io_request+0x28a/frame 0xfffffe00aa965340 g_io_getattr() at g_io_getattr+0x6b/frame 0xfffffe00aa965380 ffs_mount() at ffs_mount+0x1950/frame 0xfffffe00aa965530 vfs_domount() at vfs_domount+0x835/frame 0xfffffe00aa965760 vfs_donmount() at vfs_donmount+0x911/frame 0xfffffe00aa965800 kernel_mount() at kernel_mount+0x57/frame 0xfffffe00aa965850 parse_mount() at parse_mount+0x4a1/frame 0xfffffe00aa9659a0 vfs_mountroot() at vfs_mountroot+0x53b/frame 0xfffffe00aa965b10 start_init() at start_init+0x28/frame 0xfffffe00aa965bb0 fork_exit() at fork_exit+0x80/frame 0xfffffe00aa965bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00aa965bf0 --- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 --- KDB: enter: panic [ thread pid 1 tid 100002 ] Stopped at kdb_enter+0x37: movq $0,0x1087a36(%rip) db>=20 I can leave the build machine in that state for up to a few hours easily enough, in case there's value in that (so I can do a bit of directed poking, for example). I have yesterday's (verbose) dmesg.boot for the build machine up at http://www.catwhisker.org/~david/FreeBSD/history/freebeast.13_dmesg.txt; based on that, it looks as if what showed up yesterday at that point was: =2E.. da3: Delete methods: <NONE(*),ZERO> GEOM: new disk da3 (da3:umass-sim0:0:0:3): PREVENT ALLOW MEDIUM REMOVAL not supported. mountroot: waiting for device /dev/ada0s4a... atrtc0: providing initial system time start_init: trying /sbin/init GEOM_PART: partition 1 on (diskid/DISK-1350095E5057, MBR) is not aligned on= 4096 bytes GEOM_PART: partition 2 on (diskid/DISK-1350095E5057, MBR) is not aligned on= 4096 bytes =2E.. GEOM_PART: partition 2 on (diskid/DISK-1350095E5057, MBR) is not aligned on= 4096 bytes GEOM_PART: partition 3 on (diskid/DISK-1350095E5057, MBR) is not aligned on= 4096 bytes lo0: link state changed to UP re0: link state changed to DOWN cpuctl: access to MSR registers/cpuid info. CPU: Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz (3591.76-MHz K8-class CPU) Origin=3D"GenuineIntel" Id=3D0x306c3 Family=3D0x6 Model=3D0x3c Steppi= ng=3D3 Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG= E,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> =2E... I will go ahead and reboot the laptop in the mean time. Peace, david --=20 David H. Wolfskill david@catwhisker.org It's unfortunate that so many Senate Republicans forswore their Oaths of Of= fice. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --JaBjgNvtdKe5H086 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEE4owz2QxMJyaxAefyQLJg+bY2PckFAl5BUiNfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEUy OEMzM0Q5MEM0QzI3MjZCMTAxRTdGMjQwQjI2MEY5QjYzNjNEQzkACgkQQLJg+bY2 PclAFggAuVHywl6WbsMEk0Zh88Hfz68RmG6doimSS6phFz2NsJ+JWMRz+hS18qO9 9P1PbHYpT7DR599nSsPPrDwAASZ9P751eAB4qFHoOYtdLpdnX7TxbwTdKgP+lZSg WSrgV556oQvcp+rkv4BDCpaR6rA3cs/M1zdKLZLBlwuJnRI0sEVOcymwVWVZFwY7 Tjt8xZAGT3YTiAxKUFhoZrcymMiOf6cM+ukKO2C4stKmS28BoIE3ZghXS9lkz6Ne PoJtqwRaQN9fKHuziBjZ0iiSkldTRMm5Elm1ub827rHIiLyzgHilumpyjfRiJpJp /G/DDgBkaAYW7NAY2WIDVAK7KHXDbw== =zKpi -----END PGP SIGNATURE----- --JaBjgNvtdKe5H086--
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