Date: Wed, 25 Apr 2018 12:39:47 -0700 From: Bryan Drewery <bdrewery@FreeBSD.org> To: freebsd-current <freebsd-current@freebsd.org> Subject: Re: crash on process exit.. current at about r332467 Message-ID: <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> In-Reply-To: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> References: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --abooaK8PsUHNk1KuIS7jFSXxx0uoCAv22 Content-Type: multipart/mixed; boundary="t08czleOs9UmJhmQ2VqEJlCSzQghVkGjy"; protected-headers="v1" From: Bryan Drewery <bdrewery@FreeBSD.org> To: freebsd-current <freebsd-current@freebsd.org> Message-ID: <8644151e-7dce-1283-e804-93a4b1b7bb0b@FreeBSD.org> Subject: Re: crash on process exit.. current at about r332467 References: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> In-Reply-To: <9479e941-39be-e6e2-869e-aac475c5e33a@freebsd.org> --t08czleOs9UmJhmQ2VqEJlCSzQghVkGjy Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 4/23/18 7:50 AM, Julian Elischer wrote: > back trace at:=C2=A0 http://www.freebsd.org/~julian/bob-crash.png >=20 > If anyone wants to take a look.. >=20 > In the exit syscall, while deallocating a vm object. >=20 > I haven't see references to a similar crash in the last 10 days or so..= > But if it rings any bells... >=20 I just hit this on r332455 and have a dump. > panic: Bad link elm 0xfffff811cd920e60 prev->next !=3D elm > cpuid =3D 10 > time =3D 1524682939 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe23f= 450c3b0 > vpanic() at vpanic+0x18d/frame 0xfffffe23f450c410 > panic() at panic+0x43/frame 0xfffffe23f450c470 > vm_object_destroy() at vm_object_destroy/frame 0xfffffe23f450c4d0 > vm_object_deallocate() at vm_object_deallocate+0x45c/frame 0xfffffe23f4= 50c530 > vm_map_process_deferred() at vm_map_process_deferred+0x99/frame 0xfffff= e23f450c560 > vm_map_remove() at vm_map_remove+0xc6/frame 0xfffffe23f450c590 > exec_new_vmspace() at exec_new_vmspace+0x185/frame 0xfffffe23f450c5f0 > exec_elf64_imgact() at exec_elf64_imgact+0x8fb/frame 0xfffffe23f450c6e0= > kern_execve() at kern_execve+0x82c/frame 0xfffffe23f450ca40 > sys_execve() at sys_execve+0x4c/frame 0xfffffe23f450cac0 > amd64_syscall() at amd64_syscall+0x786/frame 0xfffffe23f450cbf0 > fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe23f450= cbf0 > --- syscall (59, FreeBSD ELF64, sys_execve), rip =3D 0x800d7af7a, rsp =3D= 0x7fffffffbd28, rbp =3D 0x7fffffffbe70 --- --=20 Regards, Bryan Drewery --t08czleOs9UmJhmQ2VqEJlCSzQghVkGjy-- --abooaK8PsUHNk1KuIS7jFSXxx0uoCAv22 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEE+Rc8ssOq6npcih8JNddxu25Gl88FAlrg2YMACgkQNddxu25G l88MaAf/XHd6hagj0Hi1XxiBgA+rBE+EXtoJvn8ChwtMyWMJ+raOQ9Cz2A2v4QyT 8MGPm4YNSXdshil0PnFRsP7bFkDL9sxvigJ4AI1nb4tlcQXC264jhWAddSftGBmr 2VsxjZtlvwwh43KYWri0rCp603aCJm31FHbncjM8bqKRCh5/K1xAsiMLxMFMWl4r xPiPKY2n/ttvD5Sx/7hQ4QLO8remjkF9yG3uJ+TNNdZ/t8NvSgOa8C3WMhsBR8Yn z9YkH/zR6QDQDLyZyVGT2KvJ4pXaI1yjRjZgfHjHISWztFx7gQv+OFhF5idyBpsU Wx5lDDi9iP9FDio2US+FgUr0JRX64Q== =1bAM -----END PGP SIGNATURE----- --abooaK8PsUHNk1KuIS7jFSXxx0uoCAv22--
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