Date: Fri, 28 Feb 2014 08:18:51 -0600 From: Bryan Drewery <bdrewery@FreeBSD.org> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: panic: lockmgr still held [tmpfs] [vm_map_remove()->vdropl()] (r262186: Thu Feb 20) Message-ID: <53109ACB.20102@FreeBSD.org>
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While using poudriere:
> Unread portion of the kernel message buffer:
> panic: lockmgr still held
> cpuid =3D 12
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe124=
804f7a0
> kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe124804f850
> vpanic() at vpanic+0x126/frame 0xfffffe124804f890
> kassert_panic() at kassert_panic+0x139/frame 0xfffffe124804f900
> lockdestroy() at lockdestroy+0x3b/frame 0xfffffe124804f920
> vdropl() at vdropl+0x1c8/frame 0xfffffe124804f960
> vm_object_deallocate() at vm_object_deallocate+0x10b/frame 0xfffffe1248=
04f9c0
> vm_map_process_deferred() at vm_map_process_deferred+0x89/frame 0xfffff=
e124804f9f0
> vm_map_remove() at vm_map_remove+0xc8/frame 0xfffffe124804fa20
> vmspace_exit() at vmspace_exit+0xc9/frame 0xfffffe124804fa60
> exit1() at exit1+0x541/frame 0xfffffe124804fad0
> sys_sys_exit() at sys_sys_exit+0xe/frame 0xfffffe124804fae0
> ia32_syscall() at ia32_syscall+0x270/frame 0xfffffe124804fbf0
> Xint0x80_syscall() at Xint0x80_syscall+0x95/frame 0xfffffe124804fbf0
> --- syscall (1, FreeBSD ELF32, sys_sys_exit), rip =3D 0x281014df, rsp =3D=
0xffffc45c, rbp =3D 0xffffc468 ---
> #4 0xffffffff808c00db in lockdestroy (lk=3D0xfffff80a88a285f0) at /usr=
/src/sys/kern/kern_lock.c:440
> 440 KASSERT(lk->lk_lock =3D=3D LK_UNLOCKED, ("lockmgr still=
held"));
> (kgdb) print *lk
> $1 =3D {lock_object =3D {lo_name =3D 0xffffffff8201a1bd "tmpfs", lo_fla=
gs =3D 116588552, lo_data =3D 0, lo_witness =3D 0xfffffe00006fec00}, lk_l=
ock =3D 18446735288132049184, lk_exslpfail =3D 0,
> lk_timo =3D 51, lk_pri =3D 96}
I have a core.
--=20
Regards,
Bryan Drewery
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