From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756713AbYGKJCu (ORCPT ); Fri, 11 Jul 2008 05:02:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754973AbYGKJCh (ORCPT ); Fri, 11 Jul 2008 05:02:37 -0400 Received: from py-out-1112.google.com ([64.233.166.180]:16170 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758085AbYGKJCg (ORCPT ); Fri, 11 Jul 2008 05:02:36 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:references; b=qsUgy5ToIY76iwthaQzTyO2ejiY9iWTIaoNlUiQvYFNAn0WEm5FeSzcBDXMiJAjY0l 4iewl6JmMMvlBGc1Jps3FhcN7y3cNbOWSe+LCErodkKhJz68r7pv8ZSrK/qePlosZdKD OODT1vgosXETTHhNww8SvDgOBbe23gwVzZZQE= Message-ID: Date: Fri, 11 Jul 2008 11:02:25 +0200 From: "Dmitry Adamushko" To: "Vegard Nossum" Subject: Re: v2.6.26-rc9: kernel BUG at kernel/sched.c:5858! Cc: Yanmin , "Rusty Russell" , "Ingo Molnar" , "Peter Zijlstra" , "Dhaval Giani" , "Gautham R Shenoy" , "Heiko Carstens" , miaox@cn.fujitsu.com, "Lai Jiangshan" , "Avi Kivity" , linux-kernel@vger.kernel.org In-Reply-To: <19f34abd0807102249t6b2e9e97l97bc5b22cc7709ef@mail.gmail.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_22681_13106492.1215766945078" References: <20080710115954.GA3639@damson.getinternet.no> <19f34abd0807100512y7fff3716r3ff37305e863f26@mail.gmail.com> <19f34abd0807100604p70c2fec6geca65b2ba772dea@mail.gmail.com> <19f34abd0807100716k35e937batb4059f99fe46731b@mail.gmail.com> <19f34abd0807101249y24632b50h769a7af2c9514864@mail.gmail.com> <19f34abd0807102249t6b2e9e97l97bc5b22cc7709ef@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ------=_Part_22681_13106492.1215766945078 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Vegard, regarding the first crash. Would you please run your test with the following debugging patch and let me know its output? The apperance of " * [ pid ] comm (name), orig_cpu() ... " means we hit a problematic case (with Miao Xie's patch it shouldn't crash). I see that you have CONFIG_SCHED_DEBUG=y so I'm also interested in messages from sched_domain_debug() - "CPU# attaching ...". IOW, all the kernel messages appearing while a cpu is going down and up. TIA, -- Best regards, Dmitry Adamushko ------=_Part_22681_13106492.1215766945078 Content-Type: text/x-patch; name=hotplug-debug.patch Content-Transfer-Encoding: base64 X-Attachment-Id: f_fiik7bna0 Content-Disposition: attachment; filename=hotplug-debug.patch LS0tIGtlcm5lbC9zY2hlZC1vcmlnLmMJMjAwOC0wNy0xMCAxNTowODowMS4wMDAwMDAwMDAgKzAy MDAKKysrIGtlcm5lbC9zY2hlZC5jCTIwMDgtMDctMTEgMTA6NTI6NDguMDAwMDAwMDAwICswMjAw CkBAIC0yMDgxLDYgKzIwODEsNyBAQCBzdGF0aWMgaW50IHRyeV90b193YWtlX3VwKHN0cnVjdCB0 YXNrX3N0CiAJdW5zaWduZWQgbG9uZyBmbGFnczsKIAlsb25nIG9sZF9zdGF0ZTsKIAlzdHJ1Y3Qg cnEgKnJxOworCWludCBvb3BzID0gMDsKIAogCWlmICghc2NoZWRfZmVhdChTWU5DX1dBS0VVUFMp KQogCQlzeW5jID0gMDsKQEAgLTIxMDMsNiArMjEwNCwxMSBAQCBzdGF0aWMgaW50IHRyeV90b193 YWtlX3VwKHN0cnVjdCB0YXNrX3N0CiAJCWdvdG8gb3V0X2FjdGl2YXRlOwogCiAJY3B1ID0gcC0+ c2NoZWRfY2xhc3MtPnNlbGVjdF90YXNrX3JxKHAsIHN5bmMpOworCWlmICh1bmxpa2VseShjcHVf aXNfb2ZmbGluZShjcHUpKSkgeworCQljcHUgPSBvcmlnX2NwdTsKKwkJb29wcyA9IDE7CisJfQor CiAJaWYgKGNwdSAhPSBvcmlnX2NwdSkgewogCQlzZXRfdGFza19jcHUocCwgY3B1KTsKIAkJdGFz a19ycV91bmxvY2socnEsICZmbGFncyk7CkBAIC0yMTU5LDYgKzIxNjUsMTAgQEAgb3V0X3J1bm5p bmc6CiBvdXQ6CiAJdGFza19ycV91bmxvY2socnEsICZmbGFncyk7CiAKKwlpZiAob29wcykKKwkJ cHJpbnRrKEtFUk5fRVJSICIgKiBbICVkIF0gY29tbSAoJXMpLCBvcmlnX2NwdSAoJWQpLCBkc3Rf Y3B1ICglZCksIGNwdSAoJWQpXG4iLAorCQkJcC0+cGlkLCBwLT5jb21tLCBvcmlnX2NwdSwgY3B1 LCB0YXNrX2NwdShwKSk7CisKIAlyZXR1cm4gc3VjY2VzczsKIH0KIApAQCAtNTcxMiw2ICs1NzIy LDEwIEBAIHN0YXRpYyBpbnQgX19taWdyYXRlX3Rhc2tfaXJxKHN0cnVjdCB0YXMKIAlsb2NhbF9p cnFfZGlzYWJsZSgpOwogCXJldCA9IF9fbWlncmF0ZV90YXNrKHAsIHNyY19jcHUsIGRlc3RfY3B1 KTsKIAlsb2NhbF9pcnFfZW5hYmxlKCk7CisKKwlwcmludGsoS0VSTl9FUlIgIl9fbWlncmF0ZSgl ZCAtLSAlcykgLT4gY3B1ICglZCkgPT0gcmV0ICglZClcbiIsCisJCXAtPnBpZCwgcC0+Y29tbSwg ZGVzdF9jcHUsIHJldCk7CisKIAlyZXR1cm4gcmV0OwogfQogCkBAIC01ODY4LDYgKzU4ODIsNyBA QCBzdGF0aWMgdm9pZCBtaWdyYXRlX2RlYWQodW5zaWduZWQgaW50IGRlCiAJICogZmluZS4KIAkg Ki8KIAlzcGluX3VubG9ja19pcnEoJnJxLT5sb2NrKTsKKwlwcmludGsoS0VSTl9FUlIgIi0tLT4g bWlncmF0ZV9kZWFkKCVkIC0tICVzKVxuIiwgcC0+cGlkLCBwLT5jb21tKTsKIAltb3ZlX3Rhc2tf b2ZmX2RlYWRfY3B1KGRlYWRfY3B1LCBwKTsKIAlzcGluX2xvY2tfaXJxKCZycS0+bG9jayk7CiAK ------=_Part_22681_13106492.1215766945078--