Date: Fri, 13 Sep 2002 23:28:33 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: David Xu <davidxu@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: kernel panic Message-ID: <Pine.BSF.4.21.0209132326030.80315-100000@InterJet.elischer.org> In-Reply-To: <200209140328.g8E3S7xf061303@freefall.freebsd.org>
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A fix is committed please test.
On Fri, 13 Sep 2002, David Xu wrote:
> kernel panic when running /usr/src/tools/KSE/ksetest,=20
> very fresh -current kernel source code, can some VM
> guru look it?
>=20
> #9 0xc02d76f8 in calltrap () at {standard input}:98
> #10 0xc01d06b0 in panic (fmt=3D0x0) at ../../../kern/kern_shutdown.c:479
> #11 0xc01c6e8c in _mtx_assert (m=3D0x0, what=3D0,=20
> file=3D0xc1b980c0 "4\215=C3=C1l\215=C3=C1", line=3D256)
> at ../../../kern/kern_mutex.c:831
> #12 0xc02a5ae6 in _vm_map_lock (map=3D0x0,=20
> file=3D0xc0330598 "../../../vm/vm_map.c", line=3D956)
> at ../../../vm/vm_map.c:364
> #13 0xc02a667d in vm_map_find (map=3D0xc0832000, object=3D0x0,=20
> offset=3D1102761787584, addr=3D0xc9325ba0, length=3D12288, find_space=
=3D1,=20
> prot=3D7 '\a', max=3D7 '\a', cow=3D0) at ../../../vm/vm_map.c:956
> #14 0xc02a4ab9 in kmem_alloc_nofault (map=3D0x0, size=3D0)
> at ../../../vm/vm_kern.c:133
> #15 0xc02e1426 in pmap_new_thread (td=3D0xc19eb000)
> at ../../../i386/i386/pmap.c:959
take out a lock on Giant here..
> #16 0xc01daab8 in thread_init (mem=3D0xc19eb000, size=3D0)
> at ../../../kern/kern_thread.c:155
> #17 0xc02b49ff in slab_zalloc (zone=3D0xc0bb5000, wait=3D-1046564864)
> at ../../../vm/uma_core.c:777
> #18 0xc02b5a76 in uma_zalloc_internal (zone=3D0xc0bb5000, udata=3D0x0, fl=
ags=3D1,=20
> bucket=3D0xc0bb2600) at ../../../vm/uma_core.c:1561
> #19 0xc02b58df in uma_zalloc_arg (zone=3D0xc0bb5000, udata=3D0x0, flags=
=3D0)
> at ../../../vm/uma_core.c:1442
or maybe here?
> #20 0xc01dad48 in thread_alloc () at uma.h:223
> #21 0xc01db245 in thread_userret (p=3D0xc1c38d34, kg=3D0x0, ke=3D0xc1c38d=
c4,=20
> td=3D0xc1b980c0, frame=3D0x0) at ../../../kern/kern_thread.c:448
> #22 0xc01efbf2 in userret (td=3D0xc1b980c0, frame=3D0xc9325d48, oticks=3D=
1)
> at ../../../kern/subr_trap.c:122
> #23 0xc02e67f6 in syscall (frame=3D
> {tf_fs =3D 47, tf_es =3D 47, tf_ds =3D 47, tf_edi =3D -1077937140, =
tf_esi =3D -1077937132, tf_ebp =3D -1077937288, tf_isp =3D -919446156, tf_e=
bx =3D 134537184, tf_edx =3D 0, tf_ecx =3D 0, tf_eax =3D 0, tf_trapno =3D 1=
2, tf_err =3D 2, tf_eip =3D 134514795, tf_cs =3D 31, tf_eflags =3D 642, tf_=
esp =3D -1077937412, tf_ss =3D 47})
> at ../../../i386/i386/trap.c:1100
> #24 0xc02d774d in Xint0x80_syscall () at {standard input}:140
> ---Can't read userspace from dump, or kernel process---
>=20
I committed the change into thread_init() which is what we have in p4
> (kgdb) quit
>=20
> --
> David Xu
>=20
>=20
>=20
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>=20
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