Subject: Re: kernel panic with multiprocessing kernel
To: Kjell Konis <konis@stats.ox.ac.uk>
From: Rui Paulo <rpaulo@NetBSD.org>
List: port-macppc
Date: 09/04/2005 22:33:45
--TBNym+cBXeFsS4Vs
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On 2005.09.04 11:40:21 -0700, Kjell Konis wrote:
| Hello,
|=20
| I finally got around to trying the -current kernel and it still =20
| panics.  Here is the trace (recall that the kernel doesn't panic when =20
| the output-device is set to ttya so I had to type this in - there may =20
| be some typos):
|=20
| ...
| <startup text>
| ...
|=20
| NetBSD/macppc (PM9500) (ttyE0)
|=20
| login: kjell
| Password:
| mp_save_fpu_proc{1} pid =3D 317.1, fpcpu->ci_cpuid =3D 0
| panic: mp_save_fpu_proc
| Stopped in pid 317.1 (login) at netbsd:cpu_Debugger+0x10:      lwz   =20
| r0, r1 0
| x14
| bd(1)> trace
| 0xd5167e00: at panic+x19c
| 0xd5167e90: at mp_save_fpu_lwp+0xec
| 0xd5167eb0: at save_fpu_lwp+0x70
| 0xd5167ec0: at trap+0x94c
| 0xd5167f40: user FPU trap by 0xefca4530: srr1=3D0xd032
|             r1=3D0xffffd0e0 cr=3D0x24004048 xer=3D0 ctr=3Dxefca1fe8
|=20
|=20
| The machine is a powermac 9500 with a 2 x 200 mhz ppc604 daughtercard =20
| and has NetBSD 2.0.2 installed.
|=20
| Would it be worthwhile to file an official problem report?

Yes, please!

|=20
| Also, as a work around, is it possible to change the input-device and =20
| output-device after the kernel is booted?

I don't know any way.

		-- Rui Paulo

--TBNym+cBXeFsS4Vs
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (NetBSD)

iD8DBQFDG2g5ZPqyxs9FH4QRAvycAJ0UHuu0E6OFrYYIDsvbdKoJnXj9HgCfZQe2
lE9g4rrP6prcQitLjWLe8RE=
=k0n7
-----END PGP SIGNATURE-----

--TBNym+cBXeFsS4Vs--