From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergio Monteiro Basto Subject: Re: and try remove another quirk on this computers Re: [3/6] 2.6.21-rc2: known regressions Date: Sun, 11 Mar 2007 04:32:55 +0000 Message-ID: <1173587575.11759.8.camel@localhost.localdomain> References: <20070305015036.GH3441@stusta.de> <45EE9E39.3010800@garzik.org> <45F20541.9090208@crans.org> <1173499896.21891.34.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=sha1; protocol="application/x-pkcs7-signature"; boundary="=-eI40XrYQEOkMDQcihixK" Return-path: In-Reply-To: Sender: linux-ide-owner@vger.kernel.org To: Linus Torvalds Cc: Mathieu =?ISO-8859-1?Q?B=E9rard?= , Jeff Garzik , Adrian Bunk , Andrew Morton , Linux Kernel Mailing List , linux-ide@vger.kernel.org, Michal Jaegermann , Fabio Comolli , Tejun Heo , Janosch Machowinski , Lukas Hejtmanek , Meelis Roos , Olivier Mondoloni , Thomas Renninger , Robert Moore , lenb@kernel.org, linux-acpi@vger.kernel.org List-Id: linux-acpi@vger.kernel.org --=-eI40XrYQEOkMDQcihixK Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Fri, 2007-03-09 at 21:41 -0800, Linus Torvalds wrote: >=20 > On Sat, 10 Mar 2007, Sergio Monteiro Basto wrote: > >=20 > > With this quirk I got this oops on hibernate (but computer still > > working)=20 >=20 > Well, strictly speaking it's a warning, not an oops per se.=20 >=20 > What happens is that the quirk wants to do an "ioremap_nocache()", which=20 > allocates memory, and that happens very early during initialization when=20 > interrupts are disabled. >=20 > And you're really not supposed to allocate memory, except using=20 > GFP_ATOMIC. But we've always been lax about that during early boot, so we= =20 > have stuff that does. And resume ends up doing a lot of the same things=20 > early boot does, and shows issues like this. >=20 > So the quirk is probably still a good idea, and the warning message is=20 > just that - a very scary warning message, but not an indicator that=20 > anything is seriously screwed up for you. >=20 > (It is an indication of a real bug, though, even though it's harmless in=20 > practice in this case) Hi, thanks=20 Just to write, I test last fedora kernel(2.6.20-1.2981.fc7) which is based on 2.6.21-rc3-git5, without any problem, less than the scary warning, talked in this email :) Best regards, --=20 S=C3=A9rgio M. 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