From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: mpic discovery on JS20 From: Michael Ellerman To: Amos Waterland In-Reply-To: <20060720231601.GA24736@kvasir.watson.ibm.com> References: <20060720231601.GA24736@kvasir.watson.ibm.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-IDUrTaFTeLe3cw+oNnXl" Date: Mon, 24 Jul 2006 17:41:36 +1000 Message-Id: <1153726896.12748.0.camel@localhost.localdomain> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org Reply-To: michael@ellerman.id.au List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --=-IDUrTaFTeLe3cw+oNnXl Content-Type: multipart/mixed; boundary="=-89aMF3nY3Pp8HYI9UcGY" --=-89aMF3nY3Pp8HYI9UcGY Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2006-07-20 at 19:16 -0400, Amos Waterland wrote: > Current Linus and Paulus trees do this on JS20 blades with SLOF: >=20 > Failed to locate the MPIC interrupt controller > PID hash table entries: 4096 (order: 12, 32768 bytes) > Maple: Found RTC at IO 0x1070 > cpu 0x0: Vector: 700 (Program Check) at [c00000007ef83ab0] > pc: c00000000002e0c8: .mpic_request_ipis+0x34/0xc8 > lr: c00000000036b484: .smp_mpic_probe+0x3c/0x58 > sp: c00000007ef83d30 > msr: 9000000000029032 > current =3D 0xc00000000194d610 > paca =3D 0xc00000000038f180 > pid =3D 1, comm =3D swapper > kernel BUG in mpic_request_ipis at arch/powerpc/sysdev/mpic.c:1132! Does this help? cheers --=-89aMF3nY3Pp8HYI9UcGY Content-Disposition: inline; filename=mpic-fixup.patch Content-Transfer-Encoding: base64 Content-Type: text/x-patch; name=mpic-fixup.patch; charset=UTF-8 SW5kZXg6IHRvLW1lcmdlL2FyY2gvcG93ZXJwYy9wbGF0Zm9ybXMvbWFwbGUvc2V0dXAuYw0KPT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PQ0KLS0tIHRvLW1lcmdlLm9yaWcvYXJjaC9wb3dlcnBjL3BsYXRmb3Jtcy9tYXBsZS9z ZXR1cC5jDQorKysgdG8tbWVyZ2UvYXJjaC9wb3dlcnBjL3BsYXRmb3Jtcy9tYXBsZS9zZXR1cC5j DQpAQCAtMjE2LDYgKzIxNiw3IEBAIHN0YXRpYyB2b2lkIF9faW5pdCBtYXBsZV9pbml0X0lSUSh2 b2lkKQ0KIAlpbnQgbmFkZHIsIG4sIGksIG9wcGxlbiwgaGFzX2lzdXMgPSAwOw0KIAlzdHJ1Y3Qg bXBpYyAqbXBpYzsNCiAJdW5zaWduZWQgaW50IGZsYWdzID0gTVBJQ19QUklNQVJZOw0KKwljaGFy ICp0eXBlcDsNCiANCiAJLyogTG9jYXRlIE1QSUMgaW4gdGhlIGRldmljZS10cmVlLiBOb3RlIHRo YXQgdGhlcmUgaXMgYSBidWcNCiAJICogaW4gTWFwbGUgZGV2aWNlLXRyZWUgd2hlcmUgdGhlIHR5 cGUgb2YgdGhlIGNvbnRyb2xsZXIgaXMNCkBAIC0yMjYsOSArMjI3LDE5IEBAIHN0YXRpYyB2b2lk IF9faW5pdCBtYXBsZV9pbml0X0lSUSh2b2lkKQ0KIAkJYnJlYWs7DQogCX0NCiAJaWYgKG1waWNf bm9kZSA9PSBOVUxMKSB7DQotCQlwcmludGsoS0VSTl9FUlINCi0JCSAgICAgICAiRmFpbGVkIHRv IGxvY2F0ZSB0aGUgTVBJQyBpbnRlcnJ1cHQgY29udHJvbGxlclxuIik7DQotCQlyZXR1cm47DQor CQlmb3JfZWFjaF9ub2RlX2J5X3R5cGUobnAsICJpbnRlcnJ1cHQtY29udHJvbGxlciIpIHsNCisJ CQl0eXBlcCA9IChjaGFyICopZ2V0X3Byb3BlcnR5KG5wLCAiY29tcGF0aWJsZSIsIE5VTEwpOw0K KwkJCWlmIChzdHJzdHIodHlwZXAsICJvcGVuLXBpYyIpKSB7DQorCQkJCW1waWNfbm9kZSA9IG5w Ow0KKwkJCQlicmVhazsNCisJCQl9DQorCQl9DQorDQorCQlpZiAobXBpY19ub2RlID09IE5VTEwp IHsNCisJCQlwcmludGsoS0VSTl9FUlIgIkZhaWxlZCB0byBsb2NhdGUgdGhlIE1QSUMgaW50ZXJy dXB0ICINCisJCQkJImNvbnRyb2xsZXJcbiIpOw0KKwkJCXJldHVybjsNCisJCX0NCiAJfQ0KIA0K IAkvKiBGaW5kIGFkZHJlc3MgbGlzdCBpbiAvcGxhdGZvcm0tb3Blbi1waWMgKi8NCg== --=-89aMF3nY3Pp8HYI9UcGY-- --=-IDUrTaFTeLe3cw+oNnXl Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) iD8DBQBExHmudSjSd0sB4dIRAsWUAKCOA4nYU/VZEKXJJO2n7NM4PTHsxACfQGfv 2hx7jpFMj7KPKLTL79S952A= =wuUt -----END PGP SIGNATURE----- --=-IDUrTaFTeLe3cw+oNnXl--