From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: Re: Bug#629865: xen-linux-system-2.6.26-2-xen-amd64 causes system crash when using aacraid driver Date: Thu, 09 Jun 2011 02:02:35 +0100 Message-ID: <1307581355.22348.515.camel@localhost> References: <20110609001421.31586.45135.reportbug@s5f.fillz.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-iNogjIStJODittZFsCX8" Return-path: Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:43202 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751460Ab1FIBCo (ORCPT ); Wed, 8 Jun 2011 21:02:44 -0400 In-Reply-To: <20110609001421.31586.45135.reportbug@s5f.fillz.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Tim Vaillancourt , Adaptec OEM Raid Solutions Cc: 629865@bugs.debian.org, linux-scsi --=-iNogjIStJODittZFsCX8 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2011-06-08 at 19:14 -0500, Tim Vaillancourt wrote: > Package: xen-linux-system-2.6.26-2-xen-amd64 > Version: 2.6.26-26lenny1 > Severity: critical > Justification: breaks the whole system >=20 >=20 > Similar to: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=3D596419, > we have several Debian lenny systems running Xen that crash at the > aacraid driver ('drivers/scsi/aacraid/aachba.c:2825') when using the > 2.6.26-26lenny1 version of the kernel. In our situation, this will > happen every few days, maybe once a week while we run an IO/CPU heavy > backup using 'duplicity'. [...] If this driver is ever unable to set up DMA then it crashes. This means it's broken in any system with an IOMMU (including Xen's software IOMMU). The same bug exists in mainline Linux today. Ben. --=20 Ben Hutchings Lowery's Law: If it jams, force it. If it breaks, it needed replacing anyway= . --=-iNogjIStJODittZFsCX8 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUATfAbque/yOyVhhEJAQpKjBAAq9GL4G3aYFbjHLtti3f70LvRW33Cc6Op CL+UQMJ/WVSB/si6xLDEoYGcqbV1BQykNtfulGJ1blgQjaWqTm5+QdDv08y964DN naFX9MvINc6OdQsWa+5yGTNDjI0vLrHmxhj/UC8SeGn2Ep8F8WrLEVfBM4NpgTDl iICpymM5mMRn/vYgJliEJRMTVIxuRzifguR0lXn3L6xSJPS1bdKith2lWZZl4G0w VPA1FVprhoCcDdfOJraKUi0sJhQ3StoHCB+gxjIdsCQAT9MV0KqDK/yGswxl6mK+ 4WFcH4swBm4COk81sxnTzSLUSeLSPI/lB6MCSna9K13r4ulLUvP9f0d+bPkvymSQ bZ63UzHRBfKj05lbwwA1i7Asbvb1+ISfP5vE3fmfkbylbVrruhynuKgVhvJYecTd J8xlsgIsBYZauChAextIgShtUkaM58RJp8LycQpCizsb0tiphytN9gqOqnjG1G+E qDgWPbe+c1fE6f8CDJQiJ7NjZmR5/fT77f6r+/NcyeKuWps7XK7a904gXWAG02k4 gW6bzkyjvnpF/DmCySP9zjCWWGZ/4Ib6765dTAdZb4wDB0FjFolrXhNEwFIvt4zW Kj6ewDcDHYTjjf/dYQuLle2WXsw1aASqhdRUQ3vBvpk1ZkCKaXxDHbeORp5QCCAj kjAT6tdEaBQ= =Ts0c -----END PGP SIGNATURE----- --=-iNogjIStJODittZFsCX8--