Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757198AbYHXWsR (ORCPT ); Sun, 24 Aug 2008 18:48:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753796AbYHXWsF (ORCPT ); Sun, 24 Aug 2008 18:48:05 -0400 Received: from rv-out-0506.google.com ([209.85.198.224]:50056 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753653AbYHXWsD (ORCPT ); Sun, 24 Aug 2008 18:48:03 -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=nOiJ/wsTtWFkMtg6nJRMsvwVYX3F3WxwqLBT1R4gfturEqjiGnE0JL6kY6Ne7Pzll2 nLzsT+XdjYO3GDZzbUtgos49LUZfaVcy8Z3B1UPbcRFx5G94dxxgiZatAqDRbrajNpsU y0jS9pZC7hciWsmbxuZJou3hmO43T9z4oRAJs= Message-ID: <86802c440808241548l3af0810egfcd424b0b6c6a9cd@mail.gmail.com> Date: Sun, 24 Aug 2008 15:48:02 -0700 From: "Yinghai Lu" To: "David Witbrodt" Subject: Re: HPET regression in 2.6.26 versus 2.6.25 -- found another user with the same regression Cc: "Ingo Molnar" , "Linux-kernel Mailing List" In-Reply-To: <86802c440808241229m16440f68gb8961706473447cb@mail.gmail.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_39989_30471844.1219618082956" References: <751256.282.qm@web82108.mail.mud.yahoo.com> <86802c440808241229m16440f68gb8961706473447cb@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3929 Lines: 84 ------=_Part_39989_30471844.1219618082956 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline On Sun, Aug 24, 2008 at 12:29 PM, Yinghai Lu wrote: > On Sun, Aug 24, 2008 at 6:05 AM, David Witbrodt wrote: >> >> >>> > - Is there any chance I can get it into the stable 2.6.26.X updates? >>> > (Who should I ask, or are only developers allowed to lobby for this >>> > sort of thing?) >>> >>> after the patch get into linus tree. Greg will put the patch into 2.6.26.X >> >> OK, thanks a bunch. >> >> >>> > - Are you worried about the potential problems of a quirk-based approach? >>> > What if many more people experience a similar regression once 2.6.26 or >>> > later appears in their distribution? I'm sure you don't want to have to >>> > write a different quirk for each individual's hardware, and this problem >>> > did not arise with the approach used for resource management in 2.6.25. >>> >>> this patch should be safe. >>> >>> 2.6.26 is fixing one bug about reserving local apic address and that >>> in e820 table. >>> and it reveals one bios bug. >> >> Correction -- it revealed at least two. See the link I posted earlier in >> this thread: >> >> http://www.uwsg.indiana.edu/hypermail/linux/kernel/0808.2/1807.html >> >> Scroll down to the line that starts with "[blog]" for the link. You can see >> the discussion I had encouraging him to come here to help us troubleshoot >> if you go to that blog and click "Comments". >> >> I only mention this as a warning, in case it could lead to a lot of extra >> problems for you later. If you're quite sure that everything is OK, then >> all I can do is thank you again and keep my fingers crossed for you and the >> kernel team that nothing bad happens when 2.6.2[67] hit the major distros. > > after discussing with Ingo, we have one more generic way to detect the > same situation. > > please help to verify the attached patch. ( don't apply previous patch) > and please test attached patch too. ( could test it without two patches) YH ------=_Part_39989_30471844.1219618082956 Content-Type: text/x-patch; name=only_put_e820_ram_in_res_tree.patch Content-Transfer-Encoding: base64 X-Attachment-Id: f_fka92h0p1 Content-Disposition: attachment; filename=only_put_e820_ram_in_res_tree.patch RnJvbTogWWluZ2hhaSBMdSA8eWhsdS5rZXJuZWxAZ21haWwuY29tPgpTdWJqZWN0OiBbUEFUQ0hd IHg4Njogb25seSBwdXQgZTgyMCByYW0gZW50cmllcyBpbiByZXNvdXJjZSB0cmVlCgptYXkgbmVl ZCB1c2VyIHRvIGhhdmUgbmV3IGtleGVjIHRvb2xzIHRoYXQgY291bGQgY3JlYXRlIGU4MjAgdGFi bGUKZnJvbSAvc3lzL2Zpcm13YXJlL21lbW1hcCBpbnN0ZWFkIG9mIC9wcm9jL2lvbWVtIGZvciBz ZWNvbmQga2VybmVsCgpTaWduZWQtb2ZmLWJ5OiBZaW5naGFpIEx1IDx5aGx1Lmtlcm5lbEBnbWFp bC5jb20+CkNjOiBCZXJuaGFyZCBXYWxsZSA8YndhbGxlQHN1c2UuZGU+CkNjOiBWaXZlayBHb3lh bCA8dmdveWFsQHJlZGhhdC5jb20+CkNjOiAiRXJpYyBXLiBCaWVkZXJtYW4iIDxlYmllZGVybUB4 bWlzc2lvbi5jb20+CgpJbmRleDogbGludXgtMi42L2FyY2gveDg2L2tlcm5lbC9lODIwLmMKPT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PQotLS0gbGludXgtMi42Lm9yaWcvYXJjaC94ODYva2VybmVsL2U4MjAuYworKysgbGlu dXgtMi42L2FyY2gveDg2L2tlcm5lbC9lODIwLmMKQEAgLTEyNzksNiArMTI3OSwxMCBAQCB2b2lk IF9faW5pdCBlODIwX3Jlc2VydmVfcmVzb3VyY2VzKHZvaWQpCiAKIAlyZXMgPSBhbGxvY19ib290 bWVtX2xvdyhzaXplb2Yoc3RydWN0IHJlc291cmNlKSAqIGU4MjAubnJfbWFwKTsKIAlmb3IgKGkg PSAwOyBpIDwgZTgyMC5ucl9tYXA7IGkrKykgeworCQlpZiAoZTgyMC5tYXBbaV0udHlwZSAhPSBF ODIwX1JBTSkgeworCQkJcmVzKys7CisJCQljb250aW51ZTsKKwkJfQogCQllbmQgPSBlODIwLm1h cFtpXS5hZGRyICsgZTgyMC5tYXBbaV0uc2l6ZSAtIDE7CiAjaWZuZGVmIENPTkZJR19SRVNPVVJD RVNfNjRCSVQKIAkJaWYgKGVuZCA+IDB4MTAwMDAwMDAwVUxMKSB7Cg== ------=_Part_39989_30471844.1219618082956-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/