Date: Sun, 28 Jun 2009 23:44:12 +0300 From: Maxim Ignatenko <gelraen.ua@gmail.com> To: Robert Noland <rnoland@freebsd.org> Cc: Anonymous <swell.k@gmail.com>, Hans Ottevanger <hansot@iae.nl>, Norikatsu Shigemura <nork@freebsd.org>, freebsd-current@freebsd.org Subject: Re: panic on acpi_cpu_c1() Message-ID: <ac42db050906281344u23754cb6i66b523be8c255307@mail.gmail.com> In-Reply-To: <1246220306.1759.43.camel@balrog.2hip.net> References: <20090628034654.bdb728c4.nork@FreeBSD.org> <4A47A681.3040100@iae.nl> <86bpo8b3y8.fsf@gmail.com> <1246220306.1759.43.camel@balrog.2hip.net>
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> Fatal trap 30: reserved (unknown) fault while in kernel mode
> cpuid =3D 3; apic id =3D 03
> instruction pointer =C2=A0 =C2=A0 =3D 0x20:0xffffffff804bce56
> stack pointer =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D 0x20:0xffffff8000039=
b60
> frame pointer =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D 0x20:0xffffff8000039=
b70
> code segment =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=3D base 0x0, limit=
0xfffff, type 0x1b
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0=3D DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags =C2=A0 =C2=A0 =C2=A0 =C2=A0=3D interrupt enabled, IOPL =
=3D 0
> current process =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D 11 (idle: cpu3)
> [thread pid 11 tid 100003 ]
> Stopped at =C2=A0 =C2=A0 =C2=A0acpi_cpu_c1+0x6: =C2=A0 =C2=A0 =C2=A0 =C2=
=A0leave
> db> bt
> Tracing pid 11 tid 100003 td 0xffffff8001863720
> acpi_cpu_c1() at acpi_cpu_c1+0x6
> acpi_cpu_idle() at acpi_cpu_idle+0x20c
> sched_idletd() at sched_idletd+0x123
> fork_exit() at fork_exit+0x117
> fork_trampoline() at fork_trampoline+0xe
As for me, r194984 runs normally, but when I tried to boot with
r194985 at second try it paniced with backtrace very similar to shown
in first message, and at first try even earlier: in sched_ideltd and
again on instruction that uses %ebp when ebp =3D 0.
First time I stepped on this panic after updating to r195130:
Trying to mount root from ufs:/dev/ufs/root
Fatal trap 30; reserved (unknown) fault while in kernel mode
cpuid =3D 1; apic id =3D 01
instruction ponter =3D 0x20:0xc09252c5
stack pointer =3D 0x28:0xc4ecec94
frame pointer =3D 0x28:0xc4ecec94
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, IOPL =3D 0
current process =3D 11 (idle: cpu1)
[thread pid 11 tid 100003]
Stopped at 0xc09252c5 =3D acpi_cpu_c1+0x5: popl %ebp
db> bt
Tracing pid 11 tid 100003 td 0xc5176af0
acpi_cpu_c1(1,c4ececa8,1,0,c4ececc0,...) at 0xc09252c5 =3D acpi_cpu_c1+0x5
acpi_cpu_idle(c4ececd4,c093c0ab,0,c4ececf4,c066fdec,...) at 0xc04acf37
=3D acpi_cpu_idle+0x107
cpu_idle_acpi(0,c4ececf4,c066fdec,0,0,...) at 0xc093d5bb =3D cpu_idle_acpi+=
0x1b
cpu_idle(0,0,c5176af0,c4ececf4,202,...) at 0xc093c0ab =3D cpu_idle+0x1b
sched_idletd(0,c4ececd38,a4108400,2c0a0e,7022d00,...) at 0xc066fdec =3D
sched_idletd+0x1c
fork_exit(c066fdd0,0,c4eced38) at 0xc0623aa1 =3D fork_exit+0x91
fork_trampoline() at 0xc0930c80 =3D fork_tramoline+0x8
--- trap 0, eip =3D 0, esp =3D 0xc4ececd70, ebp =3D 0 ---
P.S.: i386, dual-core, drm and radeon compiled as modules
When I'm trying to boot w/o ACPI support all seems work fine, but
system hangs just before starting kdm
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